FAUCET MOUNT WATER FILTER YIt CHAX tH ','",'. BACICrROUNDAIVD SIJIVIIViARY. OF FNVENTIONr , , ^ + ç. .. . [00011 The present invention is directed to a water treatment unit, and more particularly, to a water treatment unit preferably for mounting on a water faucet or tap including a housing. for containing water treatment media and a control valve for controlling the unit in. several modes of operation.' . [0002] Watertrctmentsystems : havebcene. m 1.. Y. ;, k P Y of water to remove various-impurities and contaminants therefrom. For example','in my U. S. ,... °7..,..,. .., j' i.. 5 t.. , ^..,. .,. Patent No. 6, 642, 729 a wafer treatmentun ; t <iisclqsedwhi& a housing having a zig finely. divided metal, such as alloys of copper and zinc, as one Water'treafmeht medium which is bactericidal. arid remoes contarrynants sucl as chlone, ani a second medium, such as activated carbon, the removal'of odors'and the like. A valve is also disclosed in my patent which upon rotation of the housing containing'the, treatment media may be operable to anyone 'Y of several positions including service and backwash positions. [0003] In my U. S. Paterit No. 6, 254, 772 a backwashable filtration system is also disclosed which includes a multimedia fluid. treatment housing. arid. a valve, which is rotatable .'.. n.. f.'.. ... 11-' :.,.,-...,-. ... about an elongate axis between several positions including service and backwash positions. , p"k.... , S i (s, u r'w : ; p 3 ; f t, _ u F, I. iW a. ; f 7 : ., [0004] It would be advantageous to provider water treatment unit'eontainihs . P a, otr'more, watertreatment media in'which ;'the. m, è'dia mieht'be'séntåin'ed ; ï'n a h'oùsing'and an , :, ; rg r 0 rrrr ~ ; Zei. ri ^ ; t rs rt, r7 r) operating valve which is associated with the housing and'media inorder to permit the selection , qte, w treatment, me ing an of several operating modes, and yet the unit would be sufficiently compact and organized to '"'" ;./*".'.''".''*".'''"'r ; s. y., ., ,.., f :.. d. : : s 1,.. n.. . ; ,.. t. Y-.,...,, i' permit it. to be mounted directly on the faucet pr. tap. of the user's, sink. : The present invention ..... ,... :....... _..., r."..... :,. ,....". _,,.,.,, _,,". ;., _...... :.. ,,.., _.. meets that criteria. _. [0005]. In addition to meeting the aforementioned criteria, the present invention is capable, of operation between a. service, spray and stream mode. In the service mode the water is created by at least one if not all of various water treatment media contained in the unit housing after which the water is discharged from the valve of of the unit for service use. Moreover, >., , . 1' t1. '" . °.'.. 11. t' ii i, :. r'r f t s n, ;. i I-,. . ., t e servic'e i c e. ls, lreferabl. a'.''- :,,.. , , t ,.,. the d ;. d, s harg p.. y dstatile., : to'direct the4treated water as desired by the user, ....... '. i :. s,. :.. t. .,.,. : . ,.'. 'vlri'ill',,, ,.,. i ;, ... _., :. _Sfi t, '. ; E C-,',.."r.. _ u.. for exaiiipte, upwardly toSp'ermidnrikin water, as.'pn'ew. oud a water for exani-plo,, upwardly-t6'' fountain, or downwardly into'a container or the like beneath the faucet. The stream and spray modes are useful, for example, for the rinsing of dishes : or the washing of fruits and vegetables . . :... and, in these latter modes, the water will pass through at', least one of the water treatment media ...,,......, ; ;.,.. .,.. in the housing. . [0006) Also in the present invention, the valve of the treatment unit may be operated in ; a b, ack ; flush,'mode,. in whiçh svater may'be'dire. ctedin'the reverse direction through at least one of the water treatment media to regenerate that media. The volume of flow through ,., ;, a .. w : -, the unit may alsoib. e sensed.-tomeasure the : life. of. the treatment media to signal when it, should be, replacecl :,. A'" : v, ;. ; t _..., : : .,/ [0007] ;,.., ; Inoncp, nncipalaspcetpfthepresenve housing having an elongate chamber therein, an inlet for fluid on the valve housing .......,..., :. . _.. ,. _..-. ?.,.,... t : :}., r ;. x : :.., communicating with the chamber,, and first and second'discharges on the valve housing .... ge ., g :, ; ; _ :,.. g ; ;., ; : t., ".. : :, ,. : _ . : : L : :. . communicating mth the chamber, ; ; and first and secorid dischargesl on : the, valve housing_. communicating withthe chamber, and the first discharge discharging the fluid from the. valve housing. A stationary member in the chamber has a plurality, of openings therethrough'at least some of which, aii2h with the inlet for fluid and the first and. second openings of the first discharge and the second discharge, and the stationary .,.., k'. .. _.. _ (. : . t,. e, p s, .. -.'r . i. t ? A :.. is :,." :. ;, z.' ! ... a., %' _.. : _=. xE..., 1. , . _.,. ,. ,, .'>'. ,. ., y.. .. member generally conforms in. shape and size to theshape and size-of the chamber. A switch .... .' : :'. : ; ; ° 1 ; ;. ! s.'.,. :' :. a.. .. G"-. : S. ; St. t : x.. a. ,'. t.-. :.' ? =x_,. _.., . .. oi. ° t.,., ,.,, member is located in the stationary member which is rotatable between spray, stream and service : t', ; t 1, t. . (_ ('"Y", W 8'7 : 5,.. t. l- ; i. T. i- ; positions respectively to direct the fluid to the first opening sothat it is discharged from the first' p, .. , , P y _ w.,, p g., dischar , the form of a spray when in the spray position, to direct the fluid to the second !.. 1 , ?. r."', t , Yl.. 1,. : Y. r.. ,, fY y . :.) rl >I '" : k°x 1. 5 ''' 'b' : 1.,. i,,"'1.. r., i...,. : i". 1, -.., 1, , . G..-,'' opening so that it is discharged from the first discharge as, astreamwllen in the stream position, r. :,.. : ; _, r, f-,, g : ..,, ,,, , . ;,. a,..,, :, P . and to direct the fluid tp the second discharge pn the valve liousing to discharge the fluid as and to direct the i tfi ri'd a service fluid from the valve housing when in the service ppsitipn.,. . :,..... r. _,.,.., P,,.., ; ,.... [0008]. In anotber principal aspect of the present invention, the stationary member comprises a gasket, _ [00091'. In still. another principal aspect of the present invention, the stationary .. IQ.. l. : p,., P p p e.. r.. r . Wtr'W,-t, l,ks.. . ? t, t'e. inle C..- rriember includes'at-least orie seal tliereorivvhich'lilockscomiiiumcation between the inlet and selected ones ojF&e first'and secdnd'open switch member is ir'i'.' : - .' :' . : C'. lLtrse : s= s't.. r ! v :. s..,.. ^n.', :.. : u.. :.,. in', :,.",..., ., r.. c.. t,. ,.,...... rotatedbetweeh the positions :-'" ro te etwe-te'-'' [0010] v.. In. still anotherprincipal aspect', of, the. present. invention ; the. chamber, the . stationary, rnember andbthe switch membèr ar. e ; gener, álly cylindhcal in cròss-section ; [0011J In still anotherprincipal asp'ectofthepresent invention, the first discharge on the valve housing includes a cap overlying the first and'secohd openings, the'cap comprises a plurality of srhall openings and at least dhe large opening spaced'from the small openings, and P p, P g wherein the first opening of the'first dischargeis aligned'm'ththe plurality of sinall openings'fo discharge the fluid from the plurality of small openings of the cap as a spray when the switch member is in, the spray position, and the second opening of the first discharge is aligned with the large. opening of the cap to discharge, the fluid from the large opening as a stream when the, switch member is in the stream position.' ; ;'' [0012] Ip still, another p. nncipal, aspect of the present invention, the valve housing includes a substantially cylindrical portion, and the, second discharge on the valve housing is on n : ,., 1... i,.,, :, : _,.,. ., Y, °-. ; a :. _ _.. : i the substantially cylindncalportion : and ; includes a passage, yvhich extends for a suhstantial distance around the substantially ; cylindrical portion. " : : a''. 35', t ; °Pw, ,,,.'...... ii ;.. " : 7..... ks'1 E ;', .,. .,'.,.. :, : 1. ,',, <. . ,. n _ i-tio'-, a d, includ6s--a p4s§ gq'Which extends for a substantial .... n..'.. o.. . t .. _' ! 1... _ct_-.. 1..'..,.'.. 1 ,. -. ". ... ' ; ° ; !''. ;.'r-.'°"--''". locatedatthesubstaritiall c'lindrical ortion. whichco. v, ersthe' assae tliecontrolrin'includes a port therethrou h for dischar in the service : fluid, anii-the control rin'and or, t are rofatabfe . about the. substantially cylindrical poyon to selectiVel. direct the discharge of the service fluid. l econtr'olnn 1-ncud s [0014] In still another principal aspect of the present invention, an adapter port are-. r,, ta, table mounts the inlet for fluid on the valve housing to the discharge of a faucet. , : ;. r. : _.".. _ : : ".,...". [0015].. In still another principal aspect of the present invention, a slide member .,., ;.,, fi, : a. r :,-', : k., .. : is located in the chamber which is movable longitudinally between a first position. in which the switch. member is functional'in the spray,. stream and service positions, and a second position in . s,,... : : ; a, :", , ;.'.', ;. i s ; t.. ; t r. p..., which the switch member is'not functional in the last three mentioned positions. _. sJI..''.. ;' D, Y t,.. ,, 1' n 1.'r , , tr.. e'not OOl.'6. Iii still :. anotlier rinci l. : as ect of. the.'"' [..], p., pa, p., pr serit mentiori ; the sec. oii'd e ( :, , r,'. i ; ; r o iti (i 6fihe'position in ihich't-e. ul is directed frorii thi, fn let for flüidL on the vål e'hoi-sWsëcond '9 i -s i., ; ., . ;. ; s H ; l.,..,,.. forflW d on the valvehousyg to fheseond o eriing of : the'first discliarge' ,.,-,. : >r :.... ,, te : "',, J0017]. InstilLanotherpnncipalaspectofthepresent member is in the, stationary member and the, switch member....... [0018] In still anotherpnncipaIaspeCtbf the present inve ; [0018] In st"ill anotherpnncipal aspect ofthe preserit inveiition, a water treatment unit comprises a treatment housing containing a water treatment medium therein, and the aforementioned valve. -toft di) rese nt inven io In. an adapter mounts the inlet fbrnuidonthe. valyetoi'th''.''". -"'-''" :''"" ;'' ,,, g,.,, : ;.., ;..,. , ; :.. .- : . J [0020]. , ;' In'. still'anothenprincipal aspect'of theL present'invention,.. the. a slide member is located in the chamber of the valve and is, movable longitudinally'between a first position in which. the switch member is functional in the spray, stream and service positions, and a second position in which the fluid passes in the reverse direction through the treatment housing and water treatment medium to backflush the medium. [0021]-In still another principal aspect of the present invention, when the slide member is in, the second position, the fluid is, directed from the inlet for fluid on the valve, through. the treatment housing and in the reverse direction through ...... _. . '-' : b, _.,.. ,. ;. _.. ' through : : the : treatment. housimg. andv'im. the reverse directiori tlirougli the water treatment medium , :. _.., :..,. < ,... 10, 0221' another.. pnnqi] pal., asect'6,,,, the' the treatment :., _ l :. t. : : "m=. . ;.., r :, ;,,. i., 0. 022-I stall ; another. rirci al : : as ect of the 'resent invention the treatment one of the media when the switch member is in either of the spray, stream or service positions . housin, contains,. alea'st. two isrinct water treatment med-ia'and, the fluid.. asses. throu h at least or the slide member is m, either of its first or second or the slide member is in, either of. the s ra., stre, am or sècond pösitions or the slide member is, in, either of its first or second positions :. [0023]'. Instill another pnncipal aspect of the present invention the fluidpasses through both water treatment media, When the, switch member is in the service position. [00241, :..",,, _., _-..., :, :,. :, treatment media is a flrily divided metal, particulate arid/or charcoal.. ,.., :. :...'_ ;'u. . s.., : ;..... _.. treatment media is a firielya diVided metalsparticulate and7or charcoal.. _ y 0025J _ : :, Iri still another principal aspect of the, present invention, the treatment . [0, 025] : In still another principal'aspect of the present invention, the treatment housin W cludes a ro'ectiori thereon which extends into the chamber of the. valve and wherein housing includes a projection thereon which extends into the chamber of the valve, and wherein the ; projejincludesAlat le, àst¢'ton, e', pps, s Xjie, rSet r ;, ân. or èt h ; . .. .. j, !-, M/ 'C. de'fines'at least orie assage therearound through which tHe"fluid'flowsto and/or from the water treatmentmediuminthetreatmenthousing.. y-. [qg : 161" . [0026]. Instillanotherpnhcipalaspectofthpre -'..'..""'"""''''" !"'"..."'. ; i ;' :'' '""'', .'",''-'.''''''.'' :..-'..,.. an end , e. n _., ., P >, y'..'t'S.-., .-' :..'.'. : '''j'".''''''-.'' !''. . ''. switch member. [0027] In still another principal aspect of the present invention, the unit includes pue at least one sensor for-sensin at at , ; Y , p028' ii. still, anot er rinci'alvas ectwo'the''resentunveiitiori the sensor is "a't'e'in' . : : s. locatedw the valvhousmg. °. : .... w w [0029] These and other objects, features rid. advantages of the present invention will be-more clearly understood through a con. side. ratiQhof. theiibIlQwingdetailed description. .................. B _.,, .. :,. ......,.. 7 . .,.' Y'. '..... ..., o. ,.,. BRiEF.. bESCBIETION. F_THE. DRAW, INGS.. :. "r ; . : [0030].. Inthe. course ; ofthis description,-refer, erice will'frequentlybe made to. the attached drawimgs imvkich. " . i., ... m ^ ;. t ...,..".. : f [0031)-'. !.'. FIG. Hs ah pyerall perspective view of a preferred embodiment of water treatment unit in accordance with the principles of the present/inyehtion and as shownmounted . tò''a. fau¢cet or, tap in, dot'and dash ; i ;. e. Fs 'fd a,-fau6et of tav. indot'idida'sh,,,.' [0032). : EIG 2 is a c'ross-sectioned,. side,, elevatin, view of the unit is viewed ...--.. _, ;- :., _,. _ :.. :.,.... j. t, Ay. ;.. ...,, :. : .. substantiallyaalong line 2 2 of ; FIG. 1 m the service mode, ;,,. [0033] FIG. 3 is a exploded, perspective, view. of the valve of the unit shown in FIG. 2 in the, service mode-, ct o e. elevaii (5. , v [00341 : 4 FIG 4 rs a cross secti. oned' side elevarion uxevy. bf the unitsimilar to that shown in F but with theunit inthe zig ., v. . ! ; . Q35]., PFIG 5 is an exploded, perspective, mevi-. o, f thevalve of tHe unit shown in _., _w. .. y, a., x.... ,. t, in the spray,,', rn" d .. G, a,, t f e.,-, t.,. y : ^. t .,"" : : =rx'r 't,..,,.. --r, . ;. w. [0036] EIG. 5A, is, a bottom. planviewofthe valve housing as viewed 19 substantially along line : SA SA °in FIG. ; 5 ; ; . [OU37] FIG. SB is a cross sectioned, end elevation mey of the slide member of jG. 5B i's a, cross the. valve o, f the present inention as viewed substantiallyJalong line 5B-SB'of FIG. 5 ; [00381'FIG 6 is a cross-séctio'ned side'élev'ätiön ile'w similar to'that'shown in' ''"-''.)-'-.-..'..-.- !. -. . ;-. ;. !,- : '0 !-"','"' '"''-"- FIGS. 2and4, butwiththeunitinthestreammode ; [0039], FIG. 7 is an exploded, perspectiyeyiewofthe valve ofthe unit shown in ,... v,. ; _,, , ° FIG 6 m the stream mocle, . ;, ='- [00-4jf)] FLG. 7A is a bottom plan view"of thevalve housing as viewed .., s 1,.. :, , p.,.,.,,. g..... sub$rantially alomg lme 7A 7A inFIG 7,','... u, dnt"'11'ong FIG. 7'- .. [0041] FjG,.'7B-is"a'crb'sSsecti6n [0041]'FXG 7B, is a'ctoss=ectioniecl ; erid elevatiosn view 'f t. slxdeviilembec f, .. _-1', i, .,, r'r,,. ". .. s. r-... :- :, -.., t . ,, r-... the'valve bf the presentvention'as. yiwcd substah 7B-7BofFIG.. 7 ;."J. . : 5 F Is i # r !'llj'd > tZ tst-< [0042]/FIQ ;, 8. ! is a cross-sectioned,, side. elev FIGS. 2, 4ahd6, butwiththe'unitih : thebacI<nushmbde ; .... '' [0'0431'Fl ivi6 :. of-thd, v'alve of-the unit shown in ""gi dd .,.,,.,. ; r. ,, a. t ; a, i,,. ; ;.,, ,,. s,,.. FI. i.-8'; ; in the b'at khsrh ;'Xode r, 4-i"'t Ij r i rl, t D" _,, ! i. 9 i, .'n,,., ,-.. , t 1 a 4,, ^ 'I.., l e. v i _.. _.,.. s7eetionecl,. ,, n e evon vi ! ; W o e, s id&. nemb b ...,., .,, . , ; : r..... substariially along liiie gA=9Am FICi 9, ; ari, ', :., OQ45 FIG. 9B is a cross-sec. tioriecl encl elevation view of the. slid'e : : inember. : of the valve of the present invention as viewed substantially along 9B-9B of FIG. 9. ;...... DESCRIPTION OF THE PREFERRED EMBODIMENT [00461 A preferred embodiment of fluid treatment unit, such as a water treatment . . unit 10, is shown in the drawings. The preferred water treatment unit 10 generally comprises a treatmentassembly, 1, 2. and a valye assembly 14, both of which are adapted jto be coupled d, t e l h edilWat6r. tre4tftie tu v. t ether b suita l meams to'fo ; the o'erall water vre °rrie t'vnif'I0. , Y :. b,.. a,.,,. rrn...,, v.., n.., < < : [0047il.-eatmerit-assembly-l c outer, housing 16 which .. _. t. :,.".. t+o, t.. : ;. r, t- ;,.., (. :, : Y., ;. : : ;., '.,, A_. ; .. .., : : i.,'. ; ; t. = b ; : .... j.,.., prefqrabiy, molded and includes a generally cylindncal elongates 18 which extends 18, which extends from one side of the bottom of the housing 16 and into, the valve assembly : ; 4 ! as. best seen in FIGS. 2, 4,. 6 and 8. the projection 18 defines passages fbr' : commuhicating the fluid to be ,",-,, jectio) assagi" oinmiiiiiclai treated between the treatment assembly 12 and the valve assembly 14 as will be described later. - E,...-., The projection 18 is. preferably integrally molded. with the housing 16 to fbr a one piece assembly. .... {; 9."..,.. f [004 The inner end of the projection 18 andhe. boKQ also fbrmed to Support a treatment chamber 20 as best. seen m FIGS 2, 4, 6 and 8. The treatment r d n r. v7 . _i V T_. a yiYayt s S. l1 C, P t ! t '. , y.., fi chamber. 20 generally comprises a lower. smaller diameter cylindrical section 22 which is ,., g, y P. Y supported ;, upon a ffange 23'and the inner. end of the projection 18, and a larger diameter - t, . ,, . cylindrical upper section 24 which is'suppbrted. oh'the upper endof the lower section. 22 in me 'sup--6f-th IbWet, a , r3 n., rl da . . . 1.. pa 7yt _. ; r »,. c. 1 i.' : 4, x,. f, h-°'. 1.'St 1,,'y f, e.) :, < 1.'. r,.,. t..,. upper part of the hous. ing 16.'Q-rihgs. 25 seal, the lower end of the cylindrical section 22 to the fl4ngp, 23 And the', up-", t. h'"'-of the' .. _... I (E..' !. o.,'..,. flange 23 and theupperendofthelowercylindncalsecfioh'22tbaflange oh the bottom ofthe i 1 :. it'"r, ; . w-n.. =h_. . i v.- : I 1 ; , . xi, .' : nl. e. T°"...,'s l, y r upper cylindrical sectio'n 24 ; The upper section 24'of the treatment chamber has. a bottom wall 26 which slopes downwardly a. s seèn in FIGS. 2, 4,. 6 and 8,, ånd has an opening 28 in its lower 26 which slopes downwardly, as seen in FIGS. 2, 4, 6 and 8,, and has an opening 28 in its lower apex.. The upper end of the housing 16 is preferably fbrmed as a-cap 30 which may be selectively removed from the remainder ofthe housing to expose the water treatment assembly f y ;, '. , ... 1W :. ; o. on the inside of the housing for service and replenishment.' The cap 30 also preferably includes sbaced vanes'32 which extend downwardly'into'the housins'. t6''h'6id the'upper section 24 of the .,,.. =..,,..."., .. : .. . :, ;,.. y. .... _..,.-. g_ :,. :, :.. a :, a,.... ; p.... ;.....,. treatment'chamber ! 20dowh during operation a. hd''pcnuif tHeat'er \nicH'Ras ? been least . g. P. P ,. , _ Y y,,,. partially treated inhe. treatment chambcr'td pass through'a. fiRe'mesh filter 35 and between the vanes and down the outside. 01 the upper section. 24 as'seen in FIGS. 2, 4 and 6 or upwardly during backwash as. se6,'FIG.-8".' ..,. :. y,., y,,,.,., [0049] Thetreatmentchamber20alsomciude ; safin asz of the lower section22. The fine mesh filter 34 restrains extremely small particles of solid contarziinates rior to initial. treatmentby the various filter. media,. and also provides'a base upon ;....,,... ; which a. partieulate water treatment media 36 in the water treatment chamber 20 can rest when the. sysjten jshut pff or when the ; : system is. bemg. backflushed'as seen in FIG. 8. The particulate. medium 36ris preferably a ;. finely divided metal, such as alloys Y.,.. Y, ,. Y PP. .. ,.,..,, fox eaam le in in'U . P, atent, No.. 6 0. 42 72. 9 This : medium as the. advanta e thatit. remo, ves . 1 ?,. :,,. Y ; ; : ,,. : . , _ ; :, : ...", ,,.. ,, : :, . : ,-,,.,,, . chlorine as, vell as. bem. a bacte'acide. and ma be., imtiall. : washed and sus e. nded ; as discusse. d ... f f, . :",,, g. .. .. :'. < -. ?'_...., t. y,.. p. t '...... in my. aforementioned U : S : Patent No.,, ; 6, 042, 729 and as sliown inS : FIGS.. 2 ; 4 and 6 herein upon. the commèncemènt of water flow.,''... [00501,"", A second treatment medium preferably comprises a cylinder block of activated carbon which'is also, positioned in the treatment assembly 12. This cylindrical activated carbon block 3 8 is. slip ed over the. somewhatsmaller, diametez lower section 22 of, the :., : ;,.,- :,-. :,, :. ; e :.... :... a,,, "... : :........,,,.., : Y, t, _...... P _ ;, x : ; , : ; aw tr. a. : .. treatment chamber 20, and is'supported in spaced. relationshio from the walls of lower section 22 by iialit'of vo'b 40" 22 by a plurality pfycrtically extending ribs 40Qn the lower section 22. ; The ribs 40 thereby" , u. Y. iy, ra V" y.. Slv . l ° :. r"I _. S, . r nI : y S"Y, define vertical channels 42 through which the water may flow afterpassag . ,... Y. P g g _,., Z. block filter, 38 and as shown ih/FIG'. 2 :. The outer. diameter Of the carbon blockfilter 38 is also small thanWe'm'''ër er o 6 tõ'definé á th oughwhich t wåtè I neac nne 4 5 y. 7 ma. flow durin the's'everal 'rocedures. The carionblockilter 3 ;8 is, ie. ferably'su, orteci u'on b 10'c k fiII er s ..., '., ;,, _ a gasket 46 which rests upon a. suitable flange 47 at the bottom of the hou'sing and, in. turn, the in upper end of, the carbon, bock'filter 38 supports the. outer perimeter of the upper, section 24 of the treatment chamber 20 on a gasket 48.'_' [0051]... The valve assembly 14 comprises a valve housing 50 having a recess 52 e v. : or mouritizig i'n"'"' in the top thereof which contains an adapter 54 for mounting the valve assembly 14 on a in . 1."'.'. r, :.....', g : :, t :. , : ;' :.. a.',. , , "..' : : i' .... dychar e'of a faucet or'tap, as best seen iri FICrS. 2 ; 4 ; 6. and . : ; The rec, ess S2includes anirilet o eziin'S'Gon the'valve liousmg, whicli coiiz7iiW riiates yth a ckamber 58 in the, valve housing. . ; ; |.. e.,., e t.... 1 ; X. i !, i-s. 1., t, , ; I se ;. t ! A f s A' :" n The chamber 58 is gencrall'ycyiiiidnea hous ng 50'tò, theiöther,'Á hous ; tng SO to the'other s r. F,.,... n . _. _. ,. : ....,-.'", 4 Y,.-tito.'_ t _, i,,. y'.-a i : ! ' . The,'bDtton, dir, ece. d,, dischaEge6 I the ale 'a, z ,,'. . m 77 he, vbotto.. direc. te dis. char'e 6Q.'iiclues e eral o r'eni s. Hich co''rriun'cat , %'it'h m...,, d,, g., s, g. vY.,, r, n e, h",, e 5l :. : 1 t Y"f, ^. a.. 1- : L . ;, iy.... !'' . 9-, ttt S,'.. 'It Y 't (, u . A p ( (TT d i's'c a y c ar, p4 o , s. h, e flay,. from : tl houszn, anichaiiiex : ; ; ls best, s'eenin Fa GS. : SA 7A ; aiid ; 9, A.. one : p. enri 52 : rferabl _, LS ; aC. the ouer : e. d e : o lie b. ttom dixected : dischar" er0. v Two mo e, o eriin. 6 and. 64 a ' iti ri ..,. : x.. I ?. g. r, pos. _o, ed toward the zteriorandvtowar, d ; tlie center of the liottom 'directed discharge, 60 and witnin a generallycircular. pa y. p :. . 5, A, 7 d'9A. , :,,..-,.., ;.. ..'.. [0053]. The bottom directed discharge 60 also preferably includes a cap 68 which ... t y ;, : .. ; :",.. 7.... covers the 6qttom directed discharge and is fixedtp the valve housing 50 by suitable'm as a screws (nbt'sho. \vn). which extends'through a hole 69 in the cap and is received, in a female socket 70,.. f... : : : aha ,, _ : : . A : : n..' socket 70,. on the. housin. : ; he ca 68 also includes a attern oa. ura1, ; of smallholes 7f2 and F.,,, g,,. .,.. p, : P,.. :, . : p :, 3'..,. ., : ja : ,.,.,. a attern of a lurali of slots 74 arran ed. in a emerall circular : attern within the. small. hole pattern 72. The'pamtionwair66 is sized and shaped to be positioned between R 'pattern 72 and the slot pattern. 74 when the cap 68 is assembled to the valve housing 50 bottom ,., ?" ; ,, a ; , P :,, ; _ ; g x. directed discharge 60. Thus. : the partition wall 66 prevents the ; discharge rrom bpenihg 62 from : t. --< passing through the slot'pattern 74 ; and dir. ects it to the small ho Ie spray pattern 72. Cori verse iy, g. g".,,, P, ,,. : , ;. ,, ;,,-P... :., : ; aP"TYP, r. ; x, the partition wall 66 prevents the discharges &om either opening 63 or 64 from passing thrbugh ., a l ..,... _........''. .', the smalhhole. spray pattern72, and throuAgh thè slot pattern 74., S,'. i., : ;,-, :.''.''..'.'.' tiltough, th'e'slotOftetn'-74' . a..,. ,-.. . [00. 41, tlY'76, as best seen in. FIGS. 3,. 5, 7 and 9, is located on a generally cylindrical extension portion 78 of the valve housing 50. The second F t ; iEr',. IL it'A A i i tS'1. f'], j i r4 r r t ; C't'Å t t ! s A'x fluid dischai e 76also : commuincates with the chambe 58 m the. valve housin 50, aiidvncluiie, s an o en' : 80. whicli r f mmuri' ''i n ..,. an p,. ng,., p. e erably ; co icates, with a gemerall. y annular assag 82 about the Y 1. (' ;, ., i-r k ti.. ; _ : i nr., y.. '.,,,,... a,.. .. y : : <5 : I., .. ° : t. P' ! circuinfetence of'the c"lindric. al or'tionv'78."Ayular ooes °8=3also s'trad'cilethe. : anhufar ". - : 'assa e 2"a d fhe'oo es '83 coritan. O-rin 84 : 'r''ealin t =aririulaT assa ea. a'i'n 1'i P, _.. $ gr v,, gs o s g he.,. L ?.., ge : $ s 01, i. f1 ? rl,.. n, _ :,. ! i. ""th"Of'the I nca,, po loi, . j : E'K. ', 'rp [0Q551, The chamber 58 ls open at each of bits ends 86 anid. 88 to receive thc i a. C1"c1, m 's , ° t, >,-,-t r, ?, ;' : s.''' : r'at, '°t, . ...., ''. -'... : '' '/i"' ; ''''-. /'-'''"' :''''-'-'''.". m FIGS. 2, 4, 6 and 8, and to receive other compoheh'tsbnhe valve ihto the chamber 58 from unto : 1 ?..,...., the right thro, ughend 8 : 8 as will. be described m furtherdetail to'follow ' [00561"'''"'T. wo components'of the preferred e'r'nboMiment'of the valve assembly, 14 ,,". _. : ,, i'° ., w, , t..,. t 1., 5.' -.. i :., ,,". :'f.., n.'. ...,.. ofthe'preseht. ihyenibnarepbs',. ! 4,. j.., ;.. 1... ; o... h. i. i 5 > ; t-v. :" . :-r-- ! n' :' u ; s t :. s,.. z"C, t, _.. . ; ;, ;-o, ne :,. ; ; °° vn. ;.. i ? @ " S i t l S i A'| i t I ; g ; A ; 5 T ,, 4, A 4 if ; 90 yvyl. ich has a p. Ct'9. 2 ther t T ns os tueiieimo rl.. iri 'relaio"r tli aruiu'r'a e n,. he sermce control ring 9Q., i,, e,. y g,,. nskizp to e la, p, ssage i. rM, ;.. .-' ;. ''c :.. : : Hlf r-ucpcutbu ,. Y ? Y y,"P e ,'r,.,, 1,.."-e as.,., : r,. .,."' 'the valveisimtHe service'"osit'ior watr floocis theannuar. as, sa e : 2rorm the o enW $O ;, and is directipn&lly selectively-'discharged through-th pbrt 92. Because of the. rotatabi'lity of the . Y,, Y, x.., g. P,. , 4, ,., h' 4r p. 4's is container. :',.' :..''''' :'''".','.,..''-.',,..........' ;' . g.,.. P. g,..,,. , P. , ari upward directio, n to be. consumed'as in a vater fountain or directly, downwaxdly to fill a glass y :, . .-. ;... :, F-,..',,..,.. or. other cortainer., ,, ;.,,, :. I.. ., ,. : . . , f. i, ...... ...., °it". 005$,'', . The othervcorri onentvwh'icfi fitso'ver tfie end of : the c lindrical oton 7. 8. 'a er : the.. Ieivic 'ntr'l n. 9bhasbeen°u't llecl is a. 'ositio'ndicat r'"n 94 :'I'n f,, s, e co o, ng.., nts a, P. n a g g,. e ositio. n mdicator'ri 94'rhas'a.. 'air o£fixed.'lii s 96. ihic'are o uio'e, tb. fit nrttoa. ; slot 98. =on'tliere'nd. g, h s d '. n :. K ? n.''r :/ ; ;'. \. :' ;'.'-. r ;' ;. : ; n't ! t ;/. ;, ;'.' a : r :,.. Y,. :,. ., ;. ,..""i, ;. pr, A.. .,.,, , g . ;, ;,.., ; : $, . "7, : ? r IC... L,,) 6Ii -,. yw'i Cl, :, I.., vi -,,.. . lll : d.. tepositip . t... njr'.'. . 2.... . ihdicatbr ring 94', alsa a suitable reference pointer 99 thereon fbr indicaitihg which . I.. ,. j'1..., ., F... ^,. ', , n Le. -,, f. qp4' ; , t :. , a. l.. P d,., .. is ;...'. 3il_4.- [f,., . tf'i.. M.' :'s. b ; position the valve has been switched'to . iOO91,-A generally cyli dncal, stationarv merfib'I 0059 A ererall c lindrical. sta iona member. l0. 0 is, located in the., chamber I. . Y Y. : ., rY... <. 58. The stationary member is preierably. formed of a reiatively. resilient materià ? t and-takes. tne , x : '". ; ; o ? ;.. _,. p. y ;, t. ;.,,.., , y, , 7..,.. form of a gasket. The gasket 100 generally conforms to the size and shape of the wall of the form'ofva I asket, The as.et 100 enerall conforms to. : the size and s.a e of. fhe wa.l of the chamber 5, 8, andys preferably : generally arcuate, as best seen in PISS. 3, 5, 7 and 9. This arcuate , a,, : z. :..,..,.. _.,, ;. jy i, i, + 441 A ; ; ; j, i j ;. i,. 1",-., i A'.,.. A'ç S i ; "t. ; A t. i ;' t,, I i A a J, i he 58 . ;.- : : ; <1. ...,, Y_ ,.. ,,' P) zel}.-.. (l : i. :. i'. G. . '. ;. r ! ., t.. ! a.. 1, 34. - ; . ; A't . .., Y : 1 thechamber 5 f, . e. ., p.,.,, . 5"_.. L. _.. S. n .. 9. 0060 The'asket 100 has a lurali. of ts 101= : 1. OZ 103.'104 and : 105 extendin ; a, ithr. oujgh the"tliícknes's', of''th'6 gasket.,'EachgòfAth'e ;.'po'rts,-is': isurróurdëd.. by'. å'suitâsiS e ''', '. ; !' ; ;'...,-. 1 ? r. s. rv1 :.,, _., . . Y" . . r. f 1. 7. 1.." _.. 1'i' ^ j, .. n1".. 7... 9 . ,.. : , vr : y-p. raised s'eal 106, for eXain le as-shoivn on po"i. 101. The-p"askef'IOO ; a, Lso mclude's a. yluralih Qf i Æ A ; t r i 0 4 T 0 Ç i t f ? ( '17. ix. r"t ;, 8,", lliO9"ti i slo2r iI La>n ; d ; ? lJl 2 hla do ot ien ttugh tef t , ).. JT ,, ! . j.,,, _. 1, .. k,. a I, , s, +, J's, : :.. a4 , !.,,, , ; a'i :,,.,, O. 100. Each of pthe blind seals is also'surrounded b"a raised'seal° l 13 . as s, hown for exampte om" . 5'-' :'l.... tai,. u : w : jt !,. : v. ; x... j.. 1. ; 6..' : i, r.. ir.., . ;, .,. s,-. ,..,.. ?, r.,. ;. roa_i ;,.,,.) 1= G.. v :'. r :- :. : ! '' I ; .., : s, ;...,... ;, ; e .,-r , _ ;. ,,.. i#-', _ ,.. ;,. ei,. 3 i.. sr x., ;.. f. ; . , 4 ? i3 : :" i.... : ! s.' 3 R i' ? ; t r ; 11 I v r. i r i S +w'. ?} I i. 2 (0061], VVheri'tHe'asket 100. has beeri rb7Y'e'l.'ositioed iri'tlie chamber 5 o, f the valve'liotisnri'S0''it 104 W 11 be. '' ositioriecluri aTi'ent v th, he imleto eriin 56'om°the- en pose ion 8} ; j ;'3'>i A j t j 7 t ; ;,'S ;'1, e' a ? !,";. 9. 3. ; ? ? ?. j A I ;. ; i 'FI ;,. t., _t :. "'raa s--'7 °rn ;.. f, :, t ?.. :. i ; C, :'6i ; r° n piL.. .. i . :'t. : 1_'ljr ;. ; 1' ; [t, :, _, i : r r) r. 3, y^v t'., tj, d., : «. s. r , ''''0061J. ;. When'the'gasketidh p, P. P.... P, ;.. ; _ ic''' i,,. . y.., . :. t , i. ..' ; tn... ^ r ;.. valve housing tp'permit passage of the fluid through the inlet 56 and the port 104 in the presen iiiven ion as, wi e esc 'enis"of presenfinye ter-,, 2onds, 0r, c-oinpo va), vehichjljLalspbges, cp in g npprts, bn,.-Othefc'omr) 6, rifii. 6f,, ihe, "v-"aive', t' . ma : . orya not : be. xlineduuth : yen orts ; on., otler'com onentsof. the ;. vaiveata... mem, ti. me as will be as described to follow. When a blind seal is aligned with a port on another component, .,,,,. _..,, , ° ;, , ;.-', pod, , 0062 Followy t e in$er, tiar ancl, bsnio. iiri. o, f the stationa ask. et 1. 00 in the '8 16f tli6 a., chamber ; 58 of the valve housingt50, a spring 114is next installed in the. chamber 58 until the leftehdofthe ; spring as. viewed'in the drawings comes to bear'against ; a shdulder/116 on p g g ie*fi ed. cif-t vaive-housing 50 toward the far. lef) : end of the chamber 58, as best seen in FIGS. 2, 4, 6 and 8. ., [0063 A :, slide. °, member L1. 8 is i, next : inserted,'into : the chamber 58. and, th., , j., t ; ;,,. stationa asCet 100 uritil the slide, rriember corltacts rhe's n 114 : °'The slide inemberv : l. l8 inS udes jainiiar"co a °t ; è ! ten s, atb utt eJ. lef, ietiAftS''id'emtr'l"l8aS'' . :,''. ?..' ;""--''.'''.-, :...' ;''-..'.,''t. :.'' :. .,.'- !.-.'.'','''.',' !/''-''-." ! .'.,. t.,/..'". '/ :.' !"-.'.... viewed m the drawin s : c 1'iiidncal slee e l-22. the eXternal diameher of. vvhicli is s aller tha g. y Y ,. r n the inte al diame. ter'of the. annular collar : 120,ectends from fFie : collar and forms an annular , ;. .,,, :, . : t.-' : : rl : j°"'i.' ; . .... n. ;...-''. : :.' t,..."_F , r, : ,. _.-w,. 1' ; tu. : i : cham. beE,, 124,.. between the. sleeve, and the collar. The, annular chamber 124 provides two . a " :- x-., ;,. =,.,. r, ; t c ; 4 :,. :, ;. ^,,,", .,.,,., :.. 2 :'., :,. ve nd. arichor'th6, iight : eiid of the spring. 1'14 as'een : iq figes. collar 8-.,-'T-heotherfunbtl'o'n ; i : t'o'.-acta's. AoW chamber 11. annular, , _,,, fl., be hx'oug, nto or pa5the valnnblai. ollar :. 120.. de endin u9 on : the mode, of o eration'to-which°the valveassembl 1. 4 haseen set : For the latter flow purposes, the-annular chamber 124 is open to the rear byjarcuate slots 126, p's : tt, t : 4 :.,. ,., , 5. 3'r . Y.... ;. ; XZ . z : . 4 :... 5,..,. (-, : . _, °.. ; pwr i ; ry. :. , ; nY_.., .. .,,.. , J as seen in, FIGS : 5B, 7B and 9B. Thus, fluidis capable of flow through the arcuate slots 126 to . Y' t an annulary water zone 128 dh'the external'surface of the slide mem. br. tl 8 and to, the right of .., , T), t' ;, Ht... l..'t :. i. ., . . _.,. _. . 7 'r r, ! °-c 1,, ; r, :'. ...,.. .-, _.,.'i'W'^". 1 : ; °, , _ z - n. SE.,. y the anhularcpllar. 120 as. viewed in the drawing'.. The annular waerzoe 128 is defined oh. the ut"ar 611'ar, 120'ag'. viwe in'a-,, Th'e anriiila i ,, ^ ; . d... e.. : I ; .... :. v. r.. r r'..,. y-., A.. _,. .. 4., (,. ! 3, _.. rt.' i y,,,.. :, r 1 n . 2., n.., y. ; u. 1 t'. i.., I' i.'i', ritj 1..,.. 7. ! e'''n i, ; : ; left'as vewed iii the drawm s b"' ; tlie'arcuate slofs T'26 and ; on, the ri''Ht b a'air, of O-rin's 129 , ;,, , , '.,.. .., ., :, g.. ;.,. Y :.. P., ..., r, and 130 which define a blockm wzorie 131 lieweeri the O nn i's. . ;. jid''Ofihe'Slidd'.'L.-i-,,- :'-' [0064]',''Re. mming to tne construction 6f, theleft. eh<i of'the slide. memb 18 as ,...., n :'. , t.,-','' ' :,, , :'s :. i'. .,. ,.-r., d064, Returnmy to. the construction o, tlie left. ericloftlie slide : member^l'18 as viewed i'r"t"thel dr''aw'in'132 is'dlsb'd6firi6d b"'d t* gs ;. a c am er, ti et"I 18 insi e, ne n, in 9, « n p [ ? C/. s r, ii" ?. F z. .' y, _1.. ' lSeft. ! ei, if the islide i em'er'Isis8iintó'thXe's'ide memb'e'r'; ëyönd'? t r gs l20 ? çand 1 ! 30 land. ; ß, !. A v1 1 i ; X. ?. 2.) A 1 ì I 1 | t I N ;, r I t e-X ^ s A f F t_ ey , o... t o. _.. 4.'. c >. °.) , "L , S . S. -'t.. i,..., t...'4 '-.) :, , ai, -. :. a^j. ,,. ; ti !'ti :,.. v.'i' left' : erid of'the slide rizeriibe I°1'8 mto the sl'icle meriiberyte : oncl : tli'e : 0=riy' s ; 129ancl 1'30 °arid blockiing zo e,-c p, o 1, 4-t, the rdar n y, a, no c e, openiniz t t r-zone 1'3 b"'th"'h' r 74s. Sw : r t,. . : a,, : . Cx i t,-M x. ; ;. d r''.,. : :... :., _ :, _.'t. , : ; , qui the water zone 136o. 'tlie ecteno : of tHe sl'cle rriernber. Ports lr3$ aiicl 140alsoo e throu'h ,,,,F, zu 's.'ta. w.. . . , g., r r. :,.. .,'. i ;, ; ;, i !, jt. b. ; : :.'-.'.. ! ;.... j m' ; ?" !. ;. ;, .). ! f ; c r : of the annular collar 120 to'', h ; evanimlar. vcliamber 1 Z4 as b. est see'n. FIGS, 3 5° SB'7.. v°7B'Y . andv . e.,.,,.. op, enm 00 5. e io sl,. ; me tio e e othe'enin' I3 0. Ensr . v zone. e. t36 onheslide member 11S. The water zone 136 is defined by the blocking zone 131 and its f 1.,.. . L G,'.,"S 1 ,. : ....,.., 5 r'. r. f I, ., al, . : 0 rings d in, Y. ; :,.. ; rings 1 ; and't 4M't ! iòtheurightzofthei watë, r'zon'; e'2.-ås ;. în. the', dr'à ving.,"'! -', i' ! [D066}.'.''c. : :, ; : 0066 Tlie,.. Teriiaihcier.. of. the, ri ht end°o :'tle. : slideriiember. : l.. 18 _asvrewedin. FIGS, 2, 4, 6 and 8', defines a chamber 146 with'ah elongate slot. 148 which opens to the chamber ,..... ., ;., 146. : An opening 1t50 in the ; vatex zone 136 mcludes a diaphragin 152 resporisive to the pressure in the wateraone.'136 to-acfuate a'sensor 154 iri. the chamb. er, 146. The chamber, 146. itself does not contain'. fluid during ; any òf t. h, e, operating modesS but, merely pro, vì. des, a housintr s. ensors., [od67]''WAen ; the'valve is'either'in the se}. vi'cg. spray òr'stieain'modes,'i'.'e'. .'./ [0067J - :" modes, i. e. lwheqev =... .,., .. 0067'When'the valve is either : 'in the tse. rmce s ra or stiearii° modes i. e., .. z . k ?. y, ,. thereby. measure the How v ,. e :..,. whe evr water is assu . t^. ou.. h either the : ' articulate metalJmecium. -36 alone or also throu li ;, g ".,, , s,",, r,. , n i.. ;, 7. nr., ... t7 '' : e y-. lt...,-. lf.., r.'. ui t... tW-y,,, , : L ; ; torcplacethemtalpar, Y tlie car o '1 k fil r' : th v iaI f hca'152'will be cle resse t a' b n, b, oc rte 38x, e d,. p,. gm,. _,,,,, p,.. d o ctiiate the sensor 154, and : the'eb/masuie'he flow volutne that, has'assed"tlir'o. u h tHe'.'ater ; tieatment housi 16.'to ,.. ;.. ; j. 0068}. . ;/The/clMm. b t v.. '". 1 ... x. :.-1 n..'i :-.' I',. So . l. i : i tu. ,. i. 5, : ... r '.. :'. lt., '.,iS. ,'nel,. ; to re. lace tle metal artxculate riiedium 36 antl the carbon block'f lter 38 0068 THe chaiiber 14E also contains a second'. irichanical, sensor ; 156, vhich rides t' .,,'. : :, ... : io. :' ; °,.,. ;. ;-: : t s.,, : w : : .th,.,. ; n.,. _... =vr 5 ; r t5 ì %'4 i 5 _- ! 4', ; t ; A | ;'A t', t i ;'; * ;, w 1., A ; ; i l ; mode by ; a cam surface ; 157. ThecamsurfaceT57. pnly t, i.. Y-, p'I.., .,, _. ! t' . . f,.......,,er,.., . _."-ic,.... : Y,. ; a ; jA . _, t,. :et : . .... '.. 1.. r,m the the rotatable svitch 160 is in the service mode. Otherwise the cam surface 1, 57 retracts from the h,. Ad-6rdiiigly,''th'is'c66bitiAtibn of, $eiisors, 54'an hick. me lumw hr.'Accdrihgly,, ttlis combination ofsehsors.'154 and'l 5-6 wiif'ihdicaie wheh the medium which, is'the Pearliest to'be exhausted requires replacement'ofthc media. In addition, batteries or the like' y P Y9 . . ! , ', s., v n : , ma icall be Z000 hr : whereas the'service life bf the carbon block filter'iria icall' be 2.0 hr. Accordyp1 th, is coiribW atian of sensocs : 54 arid 15&'will mdicate wheri'tlie iriedmin hich : " ['006'''.'"''"Tocomplee-the sli (ie'"member.'lf8', me. iight'cnft'he'ch'amber' that, iii6rhb't, I. 8 th'""".-d'o-f thd"dha""b '146 c.,, i., i, ,'. i. u v ;. 1 ,. :. 5 i,'y, d : 4 rv) iu.,... 159, ina tie iiicluded in tlie chamber'146. as needed. o o 'er tliesensors o. r ari trici, cator li''hts that niay tie ; preserit.' ;. r.. , f,, : , 006J. T. o'corii'1"etetlie slidemeiriber T'8'tne. ri lit enci of th'ecliariiber'146W i's c- : 1'5'8'6'"'a, psn buftbn'sut a i e mem er. ca eii'with a disc' : 158 01 rovicle a ush button'surace. for. slidabl movy, the''slide rrieinber.' , r pp. :, :-. ° . : p. :, ; p,.,. ; :,, .,..., =, Y,. ; ;, ... ;, , ;, Tha disc 158 ma'bel'kt tr ; arismittmg ; foi exarrip'le, vvHere ari'indicator ligit (riot shoyrn) is included to show y.. .", :. r. 1 : ;, r, . . : :. ; : . , Z., s ; ri i... _ h'df fime o'o" t treatirientrri dia ', entv is nee'de,, dt' inclucled to show the lerigt."f, peiation arid mdicate tha e replacem, is needed- 0'070' : Tlie last''n'i va coiiz mlri.'th vvalve a'ssembl'.. 1-. is' a roatablev [] z p 1 po e t o'f e,. Y z-'rotatab-esa, , : e, a. °'ca' sW tcli member 1, 60. The e. 'sWtch. member 16Q comps a g ner, llycylindn 1 : ro : e' :. . p,.,. ;...'Sa', .t ; v : , end'f-. lib' el, nsg te': lbe. A, 62 ', i ih ls]'O,, S'tl to, exte, ? ^ its 11 ! t !';, ndi,, å p.,. ;... . 1, 1. : ; . .'r ; i... .'. ia'1 tL'. r... ; W.'o"t."J. . , v < : 'k :.. ;.. 5'ln. r < : r0.. ; . l-. ', J, s'. 1, J, ; mewed in, F. IGS ; 2x. ,, 6. and'8 ; buts7the : r. ght endof theannulax collar 1 : 20. wThe ex. terioc surface of the elongate tube 162. is/ppsitiQne. dwithin, the statipj&aiy. ga area labe ; led :. as", $witch and slide"xn FIGS : 2, 4 ; : 6 and-8, and, thee, longate, tube is rotatable relative to that gasket.. An -nng. 1, 64 cc. cles. the, elongate of , .. ., g..,. t. i k :. .,,,., :hg., : t. includes a ! pair of ports 1. 66 : andl68 :'spaceda g g, g ,, , : t, ;. iricludes a. air of ports 1. 66. and : . l8 : : spaced alorig the lerigth : nf'tHe hilie_as bestviewed iri FIGS. 0071. The'elori ate tube l 62 also imclude'sy ari arcua'te'reces's 170. ori its eX4 eriox (1 g x -, 1., :,,,,," ;, ;. ,.. u i i e, ' ; 'ex." la.' u. o...,. y 5', 1,. . . 1 i. -, 7t.' : ; suiface hamrig threeW clents ; : 171 ; 1r2 ari T. 73 space. d,-al. ong itsv : leii"li. A s riri loaded dfent zip 174 is positionedthrough ah : opening. 176 iih the valve housings P,.,, a, ;, .,, : , g f, s, g _ : :, ,, t.. : , ;,. A, ,. and 9A, an 6penihg, l78 in the stationary gasket 100, as best'seen ih, FIOS ; 3,'. 5, 7 ahd 9, and into i : :, i y,,, ip d g,, rrea.,.,-ry ga , a : : t'', J :. : i', ; ,-a's-r ; s., _,, .., ,,"., ... :.,. : _ . .. ; : s,.,..,.. . ,....,.,.. the arcuate recess'170. Depending upon the position. of rotation of the rotatable switch 160 . : = . ii.'. k u rtL.,., : ., ii i. _ , : 4., i. between the service, sptray or. stream'po^sitions, the detent 1.'7, 4 wili entèr~one'ofthe indents 171 , . :,,-.,. '., ,.. P.. . i,., r.. e r f 4,.,-..,,,,. , moo , ; .. . 172 or 173 toiirèstrain the, rotatåble". switch against rotåtion'. when'thté'switch is in one of the , :. , _ : .. g : ; ;., ;, . _ : .-., : o eratm'ositi. ons anclrt lndi at : wh n t ., 8. 1 ?, _ ..., o. c e,,,, e he switch has tieen ositionednn ome of its ositions. . uft'". i,' !,,... _iyi.,. s. _. : i , . Sjr :.,.'t... n ',...... °1.., t hw :-, 7' ;.. N. , ; :- n., , i7,. .,', [00721 ; the rotatable switch i60alsoincludes ; anenlarged'head ; 180 at itsright , head l80 at : its.-right end as viewed im. th, e-drawings : k The enlaige. d head. 180 preferably has an external diameter which is agproximatelSthe sårné as the, externai. diamëter.. ofuthe indicatorring 9. 4. and the service Y' : Yt '.. ; y.. .... L : ! 7. i'W. I'. .. 1 ; a. l_,' 1'.. '. L' ;'vb.'',. aV, ".., o,..',. : :' t, control ring) 90 as'seeh in'FIGS..'2, 4' 6 and. The external surface. op'the head 1-80 preferabiy . ;. r,. . , : .. 1, ;'n't. i : :,. ^. , n.... , t.. , i. _ :'4f-a. ; : 3.' : y' :, .,. . a.'3if' xa, a : , .,., rC.. : t. i. :, ii. r m ',..,.,. r., a,.., t..., .., . .,.., G ...... :. . .,.,.. r.'t. iu'. tKn... : :''jH o,,. e stream., spra,. or sermce. : Te ii-udic. ia arada t 182 ed to ali witli"the fixed omter 99'on the"stationa. riclicator nn : to, eXliiliit tTie' t f. ta : a P. z,, : :., ; = c. . . .. : p.. : :, . :., a.. ; : . ; _, F : ;.,. , g.,. : ; ; i : , t,. , mode of operatlon of ßthe''valve. as the rotatable swltch. 160 is rotated betweentlts several ,,- >,.-''o. i,,. : t) a,) 1' w ; t ; W 1 ;. i. _. t ! L'", I. : . w T.., ... operatihg positiohs. To'facilitatesuch rotation, apair ofwingsl'84are also'prcferably molded' . is_. . ri. . L . s... 'i-. . 1.'.. i... , E..' ["t' y :,, i ,., : : n''.'l : .. e ont., p'F'the'hea-d-"l 80 ; -. [00731 ;,",, t-W<th paXicúlårtrëference tö Flq S'than ; the stät ar r sket [] r GS., 5-, 7, d 9 d :, a,',. ki. r. : W,.. sz.'. ,. a. '. ' !',, i.,,. : :.' ! ; . S YS..,.,..,,,-i : l=,. $, , rY ; : 4 , (., ',.."t. : Z L : R-t. . : y." ;. L, EL,. . 100, it mll ; e ; seen thata ortion'ofthe sationa . asket.'100 oveTlies both the rotatable switcH ancltheslne'rriembe ° '"r of't x, and tHe'cemainde he gasket 1 OOrover. lies oril Y°. tle slide membei wheri ° . o. p : _, i f3. 7p.. r, _., ^. t'., t ;., . li. S., i° ,.. 'Os n i. l-.' !'- .. i. t-, . thcvalye has been fully assembied. !..',-- the valve lias been fully assembled y, y gas et. l 00 6"erlio both'th6 r6titab switcn and"d the"d'th'- ki i-06 v i", i4"'ii" ahd'thevalye'hdusihgSO"ls'theprojection'18, as' X Å i, jA A % s f} ;,., b k. _j, i A A i A (. 1., ix i S O ì. 1 ; : : í,. ,.-'h's been ftilly a's e''in ed. (^"''-4-.'... tr.,... ,,,. a, : previous y .. p pe,. he. alye. ho g, 50 to tti treatmentv. housy' Y16 ; and lso :'ti-'g, rovide . ' : a..,.,. : . 4n :., : :,.. ;.., e.,... i.,..... _. t.,. _ ?.'_ : : : ; r.'....,. :.,., ; , :, g ;. >rr : v-.. _.... . ;,. :.- ; t,., passages for. the fluid : to flo\v to nd from. the : valve honsihg and : watcrjtreatment media in the sing and. ia in treatment ho. using..- s'preyiQuslyimentiQne. d,, the : pro) e. ction 18 is preferably. formed as an P r ;.. J Y. integral ra of the tretment'housmgTp,-s : uch, as', by molding. The. pr ;,,,.,. .,...,,. , _ . . « p = ofpassages-. 186and : 188wifhmits ; coh6nes.. A passage 190 : , _,, ,, f , P g.. f-n surface,, f tlie'e ti 'arid°the u"i su faw . o. p. t'Q c ori.-lv8, n rin. e r ce of the yalveHousmg 50 as : ; best seen', in EIGS. 2, 4, 6 and'&.' The left end of pássåge 186 communicåtes wlthithe channiel 42 betw'een the iöwer 2, v ; 6 and'. 8 Thev. left erid of. passa e. 1'6, communicates viththe chaririel 42. betveen the lower , sectioh22 of the treatment unit andthecarbon block'tilter 38, ahd'the rightchdofpassage-186 .'.,.,.. communicates to chamber d 32 ih'the slide member-1 : 18. The passage-188 communicates by way ofam. operiing l92 tohe finevfilter 34,. and bottom sideof the lower'water treating. section 22,, Water passes tothe opening ; 192 from. anvannular passage 1. 9. 4 lietween the outer urface. of the projection 18 and ; the inhcrsurface. othe'. valyeho. using zanzi :." :-I .-'.,, : 1. e. 4., ", (., L.,. r., _ l., m.. c.. s i.. .. :., ;. f lt .. c ; 3e.. .. : i6,. f ' : t, :,.. u. sW.. .'°'. ;..,_t."'.. f, oir s ray rts, t, ejatml, od,, e @<pA ; e A 7rt iL ;, LlE ; . Y... 1 ?. ..,.. , , s _ ;,.. z =, p.," , . !,. . ;. s. be.. e.. qu ( -, i.. : ".,.. epen ing upi 'o ttie'pray o s rtzfm. modes., rS.. V 1'.. f,,. . 1 ? y, 3. 1_...'1 ...., t r. f. 7, .. 1,,,. ^ _ » o. ;", A-des, eoperdtion,-OftheWdtertredtmeiit, unito th&i) eferred [00751,,,, . modes. . ;., ;' j. '.. ;, . \.'., -,, .. ;.. -.'.,.....'..,,/. '. . ...'.............. S. , moye Tho'Se&io'Mod6 77777777r' '0075 , Adescrintion, f tlie o eration : of tlie wate. treatrizerif umt o'f the preferred that'the'serYice''indicia'182 : 1 l, su em'odimentsofth'e iesentinvention. follow. sforeachofitsservice s, a s ream : an backflush ti n, .. i,. l (m. t. ;.. _. _,.. :,. u'c..,-v,.... : . . 7., Tf' : ;. Ytf.. , ,. : : . l, ;, rv... .. i., w',.. °''J. F :. u, :. . _.,.. . _s, s. .., a.. .-, modes ,. . ii i. i. -, ?" _n.. . J.. >,'.-. si_, t S, ei, e ltl.' :... . '-' y.... u , w., _ ,. , . . , . _, 'i, :. fv., l, :,..,,. 0s he 1 ,, The'Service Mode' hi d, i'' t t'Nrihet' . [0077] When the rotatable switch 160 has'b i (, (." "7f... : : . l. : :.. : A .'' ;' i, 3. ,.. , 4. , . . n i. (" I , , a.. . : -. ^. : j. ; : j u.. : '. r.- e : ; , r, ^-,. s, i. i , y i,' : i°.. ,, ;.,',, .-18'bof m the seivi, ce. iiiode the'. head''180 of'the rotatable. sw ; itch 160. is rotafed as. sho. wn m,. FIG : 1 >o .. L d.. j... a. a 7. I i"'r f."' : r S4a. : Z : i'. W : : .-'Tt, wu that the" ervice"'indicaa 12 : s. alu ed vith tlie'ositori iiidicator r'r 4 ; and its oihter y., t In tliis mode, as I : ell as iri tke's ra and. 5 eain modes lie stide member l 8wi1 be basi. ci co te ht asvie ed m°the. draW m sb°s rin I l4 : so'tat"the, dis ; c 15 is osutoned'at its furthc'st ci''ht" :'aiid eecabl'ftush'vtvith the encl : of the lieacl 18bof lie roCata'61e syitch 160. °Al-so t hen Y y the. cbtata6le sW tch'16O has been rotated, to tlie seivice iiiode, the s"nn loade'd : detent 171 wa'll t housing 50. as indicated by the'arrow. a iiiode'. , in the'servite 'ode, i"i. l., w, ! i, s t S ; f ; l t J.. i. i ? w, A I *"i T < .,.... .. [0077]. . emtlie rotatab. e smtch vl60 lias : been'ositioned in the sermce rn'ode. ; w . r s 9t . 'H, . r,. f. p.. fluid'fromrthe faucetvF'yllrass throuh'thetada tei : 54and mlet'o. enu56on tlie vaUe' housin'SO. as iricliated b the'arrow : : : aw 1 ? IG 3 :. Frorn'tliere-th vTurci-ivill a'ss tlirou h-the ori ..' (. j ; :'S,. ., PLO Qn'the'. statio'ria. asle. . OQ . s mcircate b ; the iQw_b ; : fhe ot'.. 1. 3 : on the : aiimlan'. collar ..-,. ; :,,, ' gc,. ,...,,,, Y, p : f.,.,.,.. , 12, 0'6f ! the'. slide tmembrlil 8'as''. m'dicated by thearrbwc, fromLthe chamber'132'n-theslide . y .,. .. . : . :, : : ; inerriber,'r_L. asiriciieat dti tharrov, d. tlirGu htli : arinular : assa e194. btwee 20=rin svl. and through'theopenm'g 192 in'the ; projeGd'on : l'8 P. . ; P,, J., P 18 as viewed in'FIG. 2nd. as. indicated by the arrow e,-'dnd ;'mtq'the bottom bfthe treatment housing 16 as viewed in FIG. 2., ,, [. 00. 78.] . Orice W he treatment housing, the flmd-mll flow, upwardly through the fine filter 34 where larger, particul captured.. The fluid wilLthen lift and 8,. p.... P.,. o agitate-the metal particulateratment medium 36 from the. lpw. er. section 22 through the ppejing , P.. £ . g. e openng, ag, i,'4te-th'.'e. I 'rticiat-d'ir6dt'mnt mbdidryi36"'fr6i ihe,. I'o""w',"'e' .. J.' :, r". n., :.. ;,. 28. into the, upper section 24,, This mitialm , pp.,.. a , "g e the mefal ... 1. 1,.. t.",.. t : :.. W.. (. :-. t.. ' : e ,. t. n-'... 6 ; 043 ;'7-29..'After the water particulate treatment mcdiumi3'6. as described in my U. S. ratentfNo 6, 042, 729. AAer the water sue has beerY,. treateei'b. :. ancl" as'ses'the.'articulate ; treatme"t iriedmrri.'36'it'will p4a hr ho i''m... ' ! i.. : . l'yaa : iNl !. , :, ar W...., _. _v. :.. _ ?"' : d..,, _. :,-4., rx. Tb, : t.. e : x. 3fs'w.., ,. ; °. m'fE.,. t aa. : : c' ''gh-18. b. .'l'... :, y.. : '.. 4 e. _ i e , t.. : y.,,., J. i, :', :...- rr _, i p'r _.,'. <. i., t ; ;. _. >. an. b... ., r i .,..,.."_. f .'u 4 .. .. u,.. 1 :. !. : 6 Y. k. d. : aO,-. i..,, water will then pass through the carbon block filter 38, through the chaiinel 4 : The g.,, : a ; =, ... f ;,, . , e,., ..,.,.,. g.,.." ; ? 1 ?,.,.,-, . ; i. r4 ; :.",., vertical nbs 40 and put through the passage 186 in the projcctipn 18. [0, 07]. From the. passage 186, the. liquid, flows out of the right end of the ,. _ P. . g, ". ro. ! giF, :.. vertical ribs 40 and out through the passage 186 in the proection. 18 : [Qo79i, From the. pwassage 186, the, liquid flòEvs, out, of the ri'; ht end tof the ,.. A. :..,ti : ., t. : . e ... id,, ti ; i. ', ; i s4,.-.. 1 :. : °thr ;. (t.. t : 1. f"l" , Z"t"j : e t1ro, 1I'eetion. l8 as viewed m FIG : 2. and into chamber 132aand tlien'out tlirourh'notc y11t134 mto the roll water zone 136 of the slide member 118 as indicated by. the arrow fin FIG.. 3. When the fluid is in-the , wfet' 2otie'13 6 0 ,. 1 :. 1 e."i.. . E.,, S, r y,,. _u I . 7 .... $ 4 IA , w., m Jr- ta7. r. t. u. . .. pressure on isjh the wafer zone 136, if ili. exert pressure on theidiaphragm-152 in opening'130 to actuate" . s vii'>ingsesi=<ë flûi-dWwå. zone.. 136 ii n'','o L t, i L. t"-,. ?,.-:.. 1.,. 1 E r « fhe semsorv154 Hi coiints t eariiountv f' w ch h o, time. andlQr. voume ; of flovv m iivliich tlie treatment , t ;. t.,,", ; n, ,,,.. ,. r :. > : r :. ,,. :,. t . a. ; e' : hs1,., ; se." a. en. na °j ... r.',.. a ! '"s , a., : w A','-7'f _''''S : stationary gas e port-in e ., t_s : s. y t. P ji ; g ,. y., tr i. . a' tl . < :., C'° of ui w'dW : j,. y,' ; 'r, ;.,. q . I, o . t. : °f : ports '., 11' ! t r :.. 0 1 . il, t, tl... i' h. r6 t , 1 : t... n .'t, it,. i .. . L... :, . l u.,-, 4,. :,,. e1-a. ;- : I . ! f .. °", s t...' (.. , k :. :. 4 t...,,.. Ca port 2, t'ifitrol-i'iig9-d, the service service c (0.-As Or ous mention (control ring 90 may' H... C s t. L. ,...,, . : C,, a,. u-. . oi'. >-., z, J : ; r ' !"t. a : i_v.'r,,. !. sationa '°"asket. : 100, the fluil'yll. tlienflbv fromtheo'emn 0 m : tHe c lincirical otion 7 in :,,.. . 11. i.....". . t i ;,. f :'^ of the valve housmbqr SO, and mto the"annular assa"e 82'from vliere. it willbe discliar ed froiri' port 92 n the. aservice coritrol ririg 90 1s preyously mentioned, the service control rin 90 may be rtated referabl 36. Q o. any one of a W cle yrribe. r of'ps tions so ; that theservice fl, uid nia, be directed.'in any ne ofrnuybexof desirecl direct1', oris ;. mcluding upwar_dl : m tlie fashion of a water fou'ritairi-or do ! wartil-towflla coiitmer'beneat tlieatreatmentasseiiibl. 12 S [0080]''. :' ; Whenthe rotatab. le' : switch 160 is mthe service mode, the blind seal. llO -t'e'rotdtbl, 5witdh 1'60,'And th n seal on, the statioriary, gasket ;'100 v., b C p,.,, 6 a,., e.,,,..,"n 1 .. _. ° :.. ;... 11 l. o, thstationary. gaslet, l'00, will rloc. k, port 140. on the, slide. nembecs 11.. , ; t. , a. ;,,,, ., er mod' ., X, tt, .., t. : 7 '00. 8. 1... Al. so wien the ivotata6le sritch, I4Q : ; s ytkiesei : vice, triode, the : earii surface their " : t.. ,.,, , ;., ; r l ta ca s so l°5. 6.'o. enr i2. it :. . Iiis occu s 157. on the ; r, otatable smtch v . on. ct the. inechaW . ,,. e", a. ,,...., , e T x only dunny : the service node When the mechamcalsensbr Y", g, g, s : im"d/0 n b'lock'filfr 3 8 to prbv an in ication when the fol ide pan or Volume, v th ogh rb6 life ofthecarbon block filter has beehreached. As'will be discussed to follow, flow only occurs ".. . l' :... throii'h he carliori block. f lter. iii the ser'viee rnocle. .. .. y : i.., . < <. t. . ....... , :..-,... I....... . y [0. 082] With partcular ; reference tb. kIGS 4, Ss, S. A and, SB,, in order to imitiate operation in. the spray mode, the head 180 of the rotatable switch 160. is rotated counterclockwise ray-mu as Viewed from the rrht inthedrawin s : from the°serm. ee mode ; t, o. the. s ra.. mode amd so that as ;.'viewedfrpmthenghfm the''spray''indicia 182willbe. angned. with the pointer 9. 9 dn 1 .-,.. , n :. I : the s ra mdicia 182 v ; ill be. i ed. wrth the ointer 99 on the : osrtion mdrcator nri 94'Also when the rotatable switch : 160 has been rotated tp the. spray mpde ; the 174 r . ° pr '. a, ; g.,, I., :'a, i,-i x= t ; . ;.,, . G ,., , .. w m. u. will sna ; into ; : the irident. 1 ; 72. to indicate wheri. the rotatable svitchwis correctl ositionedand. t'o hold it m the spxay mode,,,.. _,.. .. : [0083]. wWhenthe. rotatablevsvitchv160has : beenpo'sitioried'inthespraymode ; the hold it, in-the, sp de' fluid'will pass from the faucet F, through the adapter 54 andfthe inlet opening 56 in the valve housing 50 and the port 104 in'the stationary gasket 100 as indicated. by arrows a and b respectlv. elyfm FI r ; t ; ; ° ['00811 : Y..,. :,., the port 138, in the annulary .',.. _ b Fiorinthe. o'rt, 1, 04 mthe stationa 'aske 100 ; tlie flunvvill flow throu li . , _ ;. ,., r-,,.. p. ...,, ' ; g, l v. ; r.,, :', : ;', sf., -''' the ort 1'38. in the annular collar 120'of the slide val. e l l 8, as mciicatd b tliearrovi% cun FIGS' : ,. i...,., ; .,,.... y".., 1", : _ ( :,. i".,. , d-. ;..,.. ,... ... _.', Y «. ... . e. ,. -1... 1 ,. ;, '. I, -. 1l. p'^". 1.,..-.., :' 1 ' ;. ,, I'Yi,. ; 1 .. 1, , n''... ;. ;, ; t , 1 5, a d'S'B', and.'W or eliainber. : 132. m :. he slide nnerriber 1 i. 8.. : Tliefluu w. ill theri>floW' : frorri tlae chamber 132, as u'iiicated b tle'arrow ei, throu h tlie annular asa e 1, 94 be een O=yri s 19. 6," aria'i e'Froftithe"r'e', th'eflu'id'Wil' : g' ar y ,, P :.,,. P. J, g,, P, ,. Y. ;.. ;,, .. . s'n-n :, .. c ;. ; L y ; ; v, a r, °i, -... ; . ia't "'". f.,., through'thenefiIter'34herelrM fin6-iiie : 34, ihdri'l'atg6r ijaiititulatt c then lift the particulate metal treatment me. dium. 36, as previously described with rcspe. ct to the P : P,. : Y. P service mode, mtp the upper section 24 where it will'be, treated :. From there the fluid will pass ,.,, e :. through the'fihe mesh filter 35 ; and'. tbeh'. ft : 6w. stthe : va theuppcr seGtionaMdthetreatmcnt ho w'', ., , . z. ;. h h secrion 24an thetreatment>hoismg. l6, : and doi% nwardly thro'ugh : ; chaniel 44, but.. th, is tirne , . ;, e :., ;,.,,,,. . a, ; t,. ". . :,,,..... ,.,,, :. ,,,. ;.,... ;, b :. asin' : the, aron, : block : fi. lter 3$v, beeaiiseethe ; ssa'e : . lig6 m : °the ro'tWn : . l has' : been' blocked'in'the valve housm. 5'0 b =t e blincl-seaE : 1. 08. W li'ich hascoered-brt-166 : mthe r. ofatabte swit through. passage 190be. twecn. the extenor of the projection housing through h' , i.. Y., : :" ; 2O throu a assa e'190 etweemthe exterior of the ro'ectiori'18 and' : : the inrier wall'of flie alve housing 50, tlirough the'annul'axchamber 124 of the slide member. l 1, 8 as inicated by the. arrow f,. and out through the arcuate slots 126 at. the back of the chamber 124, and into the annular water zore. 128 as. indicated li , the ;. arrow. From there the fluid floys roin the annular wate zone. l ; 28. through the port 168 on the rotatable switch 160, as indicated by'the arrow h, through ... .,.,, :. ,. ; : ; :, : ;,. ;'U !'.} {''''\4 ; ! .''U. C'-' 62 i6ate D'6 t6'. th6 3 . Sc. i k i ; W. : p ; . i, i . j, ;. . t. ; a, . '. '. rPi'.. a... . : m ? s. eq,.,,, ie, Ys_. ; tio ;"IY},, kr :, itl.','. '1 : p " ;- i ii,. s. i , t :,., r, ;'. . liar , 60 as, in icated . °t e_.. arro ° in FIG. SA, ue t . : the 62 rori'the botom. dnected disc ge,.,,., d by,"h, w ,". "., D o artation. % a11, 64 an fhe botto'"direc e. d d s h e 6. flu d flow from n. n = 6 : 1. e ,,. g,, .,, h, ,.., p. ;,..., g,..,..,.. :.. ;. e'stricted to the outér'pòrtion othe bo ; ttóm direjted"s1ischã, r'Ngë 6Q so ä's. to. flon ; r thriough thiei. sçmall in ir 'cli'clir'"a t-vv thiou'li the small estncted to3the outer oyon o the, botto, d ected s 6Qo s o flo olé.. [0085]',. :. When'the rotatable switch 160 is in the spray mode, as previously j... ., ; p Y ; .. 0085 When : tlie. rotatable sw, itch 160 is W v. the sra mode as previousl mentioned the blind seal 108 oh the stationary gasket 100 will block port 1. 66 oh. the rotatable . : 1'1 (. ° :'. 6,"f. lel. 1 , y., ,.',.. yy. a » ;. t , .,.. t ,..... E... iz ; ! ; :. _t' y ' : : I."'.., i :.. 9",-. gdske Owl oc p stitch i'Y g., ." l : L. ;-,, I ae. . t : s a.,,, : f' .. . :.' ; 1< : f' 1 _" ; i. t , . : i : i_ : ?. slidemember 1, 18. .", . :, slide member 118., °F, . t'.,, _ i, J., J0086}., Althoughflowdoesnottakeplacethroughthewaterzone 136ontheslide y A houg o o p ;, g h member., 118 inthe spray mode, the water zone 136 is. filled with water at : the pressure of the, ressure of .. 3. . r. I., :.. u, , : ., :. '. i. ;.. -. i. n, S :'i. c.,,." n. . ; a. .". n., s. : ^",., ! : :., v-t :. ..',. x,. s : steriuu to'ort l'66. w1 icli : islilockecl b'the bindseaT. 108.. AccordW"l ; tlie dia'°' a rri l$2 ,,, Y. . P,, Y, g Y P'g treatmentmedium 36 which is in use dunng me spray mode. However, the cam surtace 157 will '. v. .., 1 :...".. 2 -, c ,. i ; n w ot, -.,.., r a.. at.,."a. v. r.. 'c. . j treatrii'ent. mediW i36 uliich is irivseduriri"he s'ra"rrioiie : Iowe'ver : th cam suiace. l7 will e : ; rbtaed out''of cQntact'witli : the : riiechariical sensor, F56 to ; deactiVae : that-. sensor ; wycli. only ..'r. °., v. tw i", t a.,-, 1. '1 .., r .'i.,, i ; . , s... y., ..., ", y .. . . t...,. t. . . . . .. .' !,,. 1"". l :, r. .. ; 1 t . ,"j. ;, E.., p,.. __,. e, r.. ,. . i.., ii ; r,. ,. t, . functi'ons dtm the seryice mocle to riieasure the amourit : o : usa e of tlie oarb'om1ilock'filter38. Y Thcdatterfilterisbypassedahdnotu'.'"....''./''. YP.. g p Y," t ,, tiNiv5e r, Sx S, S], t.--. 5 L ; Ls"E ["i_ ; fei,,., ; t. 11, 1L S"t ! t,. i c ions f'"'q"g'e*'*o'f th"e"', c'a"'r bl filtot'3 8. , ,, : ;,.. ;, a a. a i. a"-, r' ?.,. t,,.. Yj °'. ; 'pW ; ; u , : 1°. S-,.', i. v ',,. y 0087. ' Withtttr111aiicular reference'to. FIGS. ; 6 ; 7 ;'7A and : 7B ; imordr'to : y'ate fhe t ; tt' ; 'y.. _i.. i,. t. .'t,.. 1-Lt. : i ! . .... 1,.. d - ; 'Y,'f't, ;.... .. r..,. .,... °, wt..,. t.,-S..-., t. a,. ... 5"v.. i...' : 1.. w., i :,'I t. c. , d, _ » r, l.. .-r : '. v ;. .,-, stream mode, the.'head,'10 ofNtierotatable sW tch 160ys rotafe'dorie further°position'm tlie 1'"i. 1, _i, u : .. tr- : Ft.... ;. a.,. c", ; ; ;,. v r'. b :' 7"y. 4 .. f'... 1. :'i"". r,. . f, :.. e . i',.., ."t. tL. .. n. t r 1..., cburiferclokwis'e°clirect'on : as vieveed, fromtlie n lit, in the. drar''n s, from the s ra nriode : : to the. StamWsQthatF's, t am"dx LL8 tilll tg edt hepo ; t'' ...,,,..,, s, ..,. ; , n ,, . ,,., :- :.,. g. ;, :.. o..", 9.,. e. Pas. i'tion :. t. j. t . ; i, : ; S ' y <,. rit ; t"r., .,'.. r,. :. ..,. 4' ; _,, q ^A .,. t,. (' :. .,, n,. r. : tt f ; s''. n,. mdicator rm 4 :, p",,iso'he1'°tli. r, otatalile sW tch''60 has-beenrotate5cl to ; the streaW mo', [e the ind. icatpr ; ring94. spxirig l, oa, d, e ; d,, detent, _1, 74 wi lsnap : intQ. the indent, 171 to md, icate', auhen the rotatable switch is corre, ctly p. ositione, d, and, t, o. ho, jt., itj in the.., streår ! mod, e.'}"Y'2, 7"-ì' ! + e, port,'. l 64"on, the, station4ry,. gas et,, 06'ag indicdte 0088 VYhen t' e rQtatble s. ytc 1. 60 has : been o. tio ed i'the. stream 'ode thp fluid from the faucet'FwiUhowp in the as i"'dic d* F Valve=hbusmg5. 0asshpwn'bythe ; arrbwa. From the inlet opening 56, ttie fluid will pass through Y....., P. g . P. g the port 104 on the stationary gasket 100'as indicated by the arrow b, and will enter the port 138 . : L ,,., i e ,, .. on the annular collar'120 of the slide member'118 ; as indicated by the arrow &. From the. port. 138. :.'.-. ''''',.-.'..-,-'.'-. i-.,', -'-''.' the rluidwUl. enter'the chamber r32 of t 118 and will pass from that chamber as, indicåtèd : by the ajnqF tEU ojugh the Ea PHRëeir"XiXitgh. é '°<-'. opening 192 and through the passage., 1'88 oft. the. projectibn 18, and'. mtottie'bottom of the P : g. g :, ; ? a>g : ., P J. treatmehthQusmgl6asndicatedbythe\ar .....,, j :....,. ;.,,.,.,.,... : ;,...... treatment iousu l6as ncli ateci li te a'ove. ' ' ;'' z c y n [0089.], Again, the fluid will flow upwardly through the fine filter 34 and will lift ,.,, ,... g, a, a, ", p Y per. section 2. 4., From. there the fluid p p y bed pect o s ice mode from thelower section 22'to the upper section 24 through the-opening 28, where the fluid will ... I ? P, .. _. c g<. ;. d. !-p g,", . ;.. .,. be treatedby the. particulate treatment medium 36 in theuppersection 24., From there the fluid o,,, sa,.,. . R... iZY- r ,., ; ro"P : 2. >'2. _.. ae, y, ;. k.., l .. ''" ° : j' >.,, _'.. i . mn,, ; f. i ;. : fol will pas's, through the fine mesh filter 35. and. then flow. past the vanes, 32, flow downwardly 4),.... '=. Iy. .', 1..'. LCtAf. Yy.., I, k.'..,',. ni. .. . . I . 1 : 1. 41i,. Y :, lfl. i , phO ue.. J t..-.. l l'a,.. t..-. K ......... 4. h.. 1.". between. the=u er section 24, and. the. treatme t housiri 16 aridvthiou h. tlie chanriel 44 a ain . ! a, = : 3 : : ;, yu,, I ? P, ee ;. x. i. lx : : r.,. , ., a- . _ :, s . :,.. .... :', t :,,. , _ : ,, :,,-wt :" in bypassing relationship to the carboh. blockfilter. 38 because, the passage 186 in the projection ,,-g. ,".,.,. .,, P.., r. : ..,.,. y ; _ ; ,...,,.. .-, a g a.. t.,, f, l ?. J., ;,"-. . k_.... :. z. >.. r,.. .,... ', a.". 3,.,. . .,,, i, . I... t,. . _.. .. a s.. , j ;... l ;.. _. : : .. ;,., .. _. : ,,. Y irotapleil ; 60 m the : rofataile sitch. 16 : 0 : w,. ° SätSlé'Dswi ; g ? i", t l t r ;, ; '1'8'6f'the valv a the : exteo' : of the'ro'ection l8. and th'e mterior : of the v'alve housm'oo'S0'and its chambei-Sn. The flùiM'wiitll coWe intóannulár chàmbér i24ias'irid'icatèd by fluid will continue into t n8, andthrbughthearcuate ; slots'126att .. °r' r. . "l. v.. :... . .','',''.''"',. ;'. :'...,'.' :'".'.'...,''." f', , Y. ''. ;'.''''.''-. ;'..'.'' :'..'. t''''' ; 118, atdtttsl'oi ii26attherear'ofi Zc t 6erlrti ; t srr ..', \ ° jf ai t f ùi'd ii l f rói eXX e I'2 h t "3A''the fluid w flow ffbffi the"taiiil' , y the, aiTdv%, , [00 7 1] 'am tle fluid i ! ill flov from tlie annular'water zone : 128'fhrou''H th pOtrtildò8 ai, n ; ar wat6 r zone : 1'2 8't ough the mode, h. uiwillnbw' li o i thë. po t W i,"*. ; sL, tS r ; z, 1-, vl i ;, i, ! 1 j ! @ n id. will of ; ro, hp,, rtY103^3nthei''i"'"''ett'di'ea eAi'yt'''ò G-.. : e. 1' 71^'. a 1. l.) iT tl v.. . a.. i., : y,. , i' ll : r : t. nl-,,. , li A l"< : :' rj, ., ". 4-.. t i t.. :. : J. t -., i. 6.'1,, ,- . , 1 k... aiid ; wl-ll-wt'h"r"o'ii-'Q3,, in', t'l6sttiori di-qdfe : ih, :, arro, w. flyvng ; from., port 168 througli the : port 102 in the staioia a'sket1'OO as it dicl'iritlie spray mode'th, : flud will now flow Yhrou h . orj 103 m : the-statioria asket as ncli'Gatedb te :'acr. ov , i , .. _ : S, y, ,'m. w : l ; a.. :. '"t : ;. i'due'to th'e'furthr., irideed rottiori. of ti rotatable :'smtcli 1 =rThe fl id will themflowthrou ( (77 h t r , u ° Q rtb the-i't-'or'o. f th the'pbrt'63'n'bottom directe. ddischa 'fill by ;'thaiQwj tq ; thenpass x I ; I - '" ; ;','. rt., f. < i b_ , le. arrow to : then a"ss. fhrou h°tlie slot attexn 74 ori the ca. 8. ras iriclicated b. rherarrow Y.. J p :" ,, g ; : . w, p.,.,, a, Pu ,,.. Y <<,, ; ;-.. : ,, % ;.', J,,...,,, i :'.,,. kv. tonssue, fxorriv he valve'housn. 50 as a stiea due tothevsl ted. constructionof the : slot 0, 092] ;,, Whe. n thiw rotatable, switch 160, is. in the ; str. eam' mode,-as-previously . ;, p.,,..,. Y ;.. v',''.' : , , : ;,,,. mentioned h'e, ; blind. seal 109 on the stationary, gasket 100 will block. port ; l66 on tne rotatabte switch 160, and. thciblind'seal'll on member merilber 1 tl .' ;, with r,.. ''n :'" .., _ [Q0. 93], . a-, Aam ;. as iri. the spray. inode, although : ffaw does nottake 1 lcetthroygh . ;,. P, . 1'36-filled thevater z7 e 13' : on theslLde meiriber 118 in. the streain riioiie the water. ; zone. 136 isfilled mthwater a tlie, essure of'the s'stem u to te, ort 166. which is. blockeel b tlie blind seal. 109 L Accordingly ; the diaphragm f52 ; in the op. ehing 150 will actuate the sensor 154 to meas ure / :, t., g Y. =., P, g,. ,, j.,.", l ?. :.. ;-, tg-,,., I... t °. a ;, st.,.. t'>", 4, , p..,, y^'i, A,,. wl' ;.. 3. i' ;.. k. . l.. t, i..,. .. 1... v. i.'i,.. the amdunt. of usage. ofthe partieulate treatment medium 36which. is. in use during the stream '...-. '' ;. .'''-' :' go mode. However,. the cam'surface 157 will be rotated but of contact with the-mechanica ! sensor : :,. vu, is6. to deacti, rate. the sensor, as'it was in the spray mode, because that sensor only functions ,". ., : ,.., ;,,., during the service mode. to measure the amount of usage of the carbon block filter 38. The) alter 41'i37' ; .., G.. "u, _, u.. f , z' '''i. ^ tut-'., u.,.. ., i... :... 1'tl i :, ? ' , i'i,'I (,, '. rS. t" ; . ,. [, : c filtez =is bypassed, and. n' ot used duririaa. the strear i i..de. , , f",-t. The Båclflush Mode ; t4, 'M'i'. ;'' '' during e 0 e '-' The Backflusfi Mode, FOU94. With-''articulaT reference to'FIGS. : 8 9.. 9 : A andw9B : liackflushns sim I . The Backfl'sfl, Mode li, d,... t. i ;,,. J r : . , .. 't. f a-... : 1 !. : 1 . Py'. 2Ef r.. :, :. . .. G 1 ", , i :,. <l 'JY''. .'. ''Ai. . -'.'- imtia edb rdi'fall''shm : cli 1 : 5. into' : the liead 1 offhe r tata e svvitch 1'60 as s ow : n gi a y pus-., o t e rotata by the : arrowrm, 6., 8 ; to move. the slide. vaive. 1'16 tothe left a'gamst ; t'he force of spnn juz Thè r te. -rv1 i. ;. ;,. y.'"a£1, c,' n,. s_', 1.'... s' , C. : : YTr s. l n The, slide'valve 1 : 18 :'is : thens. irianuall. heici : irithis, osition for'the'ainburit oftirize desired'to" ",. ;.,,., _,,., ',, e,.. ;.,, , P,, > :,,..,., com. from the valve :'housing50tecbmesc". .''. ''-'..'-.,'.' . :, .., t. , U' : , i : . ;. 5-)'. ; :.'.''-'v.. _. . ,. ; Y,."' (. . I,/', Z a ; it'' ., J. ;. t,.. tl... v. C->. ,., i,.. e. _, uS. t....,,",.., s. sll, s. L .,,.. a,.......,.'.'n."t daschar es from''the al. ve fiousm p' S0'becomes clear'... x,. _1.' ; °. t. ;, c", . . r., b ,, :. . 5.. , t,. yr, .',. .. ai. ; I,,.,.,.,,..-. n ; :''' ;'p ; ... ;..'./'''.'.'.'.'''.'.-.''''" , .,.' : : i , r.' [. 0095] .-, VVn tfie sliciEvalveY118'is moved to the left as shQwn in tlie dra'wn1 s' I ;,..,,. t. ;, : ° , 1- : 4,. , . li :,.... ",, ,,.,,., . r, ,,., .., : : , ; (.' ; i ; t, s. _. L : w P ;.'t 1, a... , u t Y., P,. , I". 1'. E.,, ' f.'. , t i4 1. i 1 t 5 ;. ,.'f. :" a ainst thevfocce'of s riri'l 14, fluici W 1 emter frorii rhe faucet F : tlirou. h tlie aclapter. 54. nd w 1I gasp a., 1, a4 ; 1 r a L 1 r w - s : ass'imto tH'e iri'1'et''S6oritlie°valve'housim SO as shoW b °the arrow : ya : Frorii the inlet'S'6, th P g Y.. fluidwil a ain ass throu h tlie f ort 04 ori the : stationa asket l00 as shown by the ar, row b=. Hoveverwtiecause the slide valve 1 T8 has riow been clisplaced to fhe''left, t'he port 13'. as als a, ; , x, ., x ! r, . ;... _t.... r ; : : e ..,,...,, . i :... . : f with the :'" o'h e beeiivdys laced to. the left : and tli' annularvvater zo. ne 128'is row alrgned p. rt 104 : ori < < stationary'gasetlOD.'Acd. Qi'dingly.'thefIuidwiH . ry . g Y. p,... p. rYr. , F '. ... I, I..,. . 1.,,'i : n.. 100 to tlie anriular ater zone :, l8 as. shovn b he arr'ovv c'and frotnt. the'e. W 11 reveisel : v flow erse through the arcuate. slots 126 and mto ; the chamber 12. 4 from-wheref it will pass lohgitudinal. ly, as shov. n by the arrow d, through thepassage'. 190 between the. exteri. d 18 and :,. ;,.,. t the irmer wall of the. valye housing and its chamber 58. as seen in FIG : 8..'". .'. 'flow t : 0. 096. ',. a'. Frain. t'e assa"e 1'90,. the flmd. vyill :"flowintothe : treatinent housim : 16 as indicated ty the a*ow ; e änd upwardly'through the channel 44 ; around ; the carbon block filter . aY... : ,, p,,.. < < <,. .-. 38,. past. the channel between, the upper section 24. and inner wall of the treatment chamber 20, pu through-the vanes 32,. and'downwardly through the fine mesh : filterJ5, theu pw, upper. slection, 24 4 0, lower. section 22 of : the treatment chamber 20... This flow pattern will. cause all of the particulate . treatment ! medium, 36 to, reside.. in, thclpwersection. 2, as/shown flushthe impurities that : have collected on theparticulatctreatmentmcdium 36 from. the medium tt_r. lt'o : r y., z r- ;, d, a', y, ..., a. ; °r :. aS''u, ts,.. n, _, ( i , y,, _. y. ;.,.., . yy, _ and. down, through th fine. filter 34 while at the same. time reriiovrng. any containrnents which .'y'SF.. . ,....., _, ; : y., 4fit, . "'i 'r ;.,'.. ., , , -,..." If : i ; r...., x_i :' _t . .', maye haye : ; previously co, llected=on the, fine f lter 34 G [0097] The fluid rill. then flow from. the, bottom of the treatrilent housim l6. in the directipfarrpwf into passage in. the'projectipn 8. and put ! through its opening 1 >. rft : ;. w. pe, g : . : p. . , _.,. , i,. : i,. ;. :. . g, c.,., :., ,., : . : and into thejChamber 132 in the slide Yalye From the chamber 1. 32 a. a r.. ; 7,, '., _.. tl.". v.- : _ d,. _ : AU.. j',' :,... z, I. i...',..,/'". _, t ; 1 ;.. eV" _. a't a''a Y S . u. 4... ,. _.,.. in the slide member 118, the fluid will pass through the port 140 as shown by the arrow h, the .,.,., ;,, T,.. p g,,,. P, .- :,. Y,", ;. : port 105 in the stationary gasket 100 as shown by the arrow i and the. opening 64 in the bottom p, , r, « ,. I'yg,.,,. : f ; y,--,,. : » : i,., p. -gy = r,. pattern 74 as ', Kih'.' f.. t. . .... directed discharge 60 and within ; the partition wall 66 as shown by the arrow j. From here, the 1' ! dz =i. . ''. .''aiK'.. . ''t- ! : t\ : ,. iK.) " ? K. <' ; : . ''... dirty fluid is discharged from the bottom directed discharge 60 through the slot pattern 74 as rt'tYpo _. . ;," ?,.,., ,. a,,,,, ; g 5r, g ;, ,. r P.. ,. ls : 4, 1.',. ;. F ir' : :-t. ^f.. , ,-k l d5,... J. 7. . o e, ng a, Wheri'the'o'n','th'e"valve dssembly 14 : : ; i .. rr. » . v. r n..,-ts.. ; r. C ,. 1= a. r.., v 0098] yVhenit is de'siredto discoritmue liac'lcflushm, all tiat need'be done is to 'relie've the force on. the dxsc 15 This'mll perniit, tlie'spring 114 to return'the slide member T 1 : 8 ;,, ; s' : a1 zz : v : 3. :, ;' ,... ..,, i,.. _ .., ; .',. < . ... r) , -<'u, i. r'.,.'.'.. . ;.'. ; ".. to the nght asviewed. in. thedrawih unretractedpOsition as shown in FI. QS. 2,'4 or 6. ré : theslidememberT18hasbeen rctumed to its unretactedpositioh, the valve assembly 14 . ; ! : "'. !. '. '." 'tnM''- .. , f. ;, v.. _,, i t , .., S I,. .,, i n s. v--, i wil resurrie vhatever niode itsrotatate switch l'60 was'rev, nousl'set to : i : e : the seivicke ;"s r ' or s'tream : mocle : ; In tlis're axcl thesettin of the'rotatalile svitcli'160 nn ari. oiie, of itsthre'e or eam. mode. ; In this'regard, the'sett Y THe'rbtatable wi'tch'°160 riia Y :' be iri ari mode°settin'dun, m ba'ckflysh :. , g y.,., I.,.,.... _.. 6 : fz".,,, T' : i 7. f. . il. ,. 7 i.. i c. : : 12I r d r\ fP.. , d.,''e-, . P, i... 1t, ., 'z ,,, i. ,'....,.. :. : w° ;' [0099] wM Wten the sltd'e riierilber 118vhas beeri dis laecl to the l"eft mtlieba'cleflusH mp. de.'e blmd ; seal'112'o port.' ; r38. bn'the. slide . Y 8 . p.. :.....,..,, : _,.. ; :..... :.... ...,.. member, bl6cki'fie, 1, 4dnap'oft 16, 8 will be blocked by the _.... 1... I 7. vP.... 7. blocking, zone 131 :.'. j.'..',.. _ ,. :"°' v. v''. .,,. ,, :,.. ;' ;. i :..'a \. [oi. òo] RroimCthelforego'iing'it'-3 ilLbé. ap. eìci'åtèd, thätXa, wåk. treåtrnenti in'it. in p "l.',,,,, t, ',. 1 f.. -. i . compactt perm i o,,. elmo ni. ihe f, cet or, tap o t euser s si ment operatirì-g válve.. iperiniít's'the : se. l ctionfof sèveraì óperatinja,, rn'odësy an'd'ye'ttth'e. unit. is sufficientLy rye compact to perniit it to be'inouiited directlyonthe faucet'or tap of he user s sirile The°treatine t . u,... , . E. : : :,.. : :, . ,.'. unit of tne A resent inveritiom is ca alile ofo'eration°between a seri ! ice ;.'s ra and stream mode : for the service mode the water-istreatecl. tiyat least'one'i ; f riot all. of the yarious water treatment_ , , t r'w .... i,. 1' : n. I,...,. media , t e service ay e'adjuted :, to direct ;'t. ater as for sermce'iz'se'v ! Ioreover vtlie s. ervice clis. cliar e'rria, bead'used to direct tli'e'treateci atei as 8 . Y J ., i a,.,,. ,.., a ... desired li'the user for ; eXa le uvvardl, to : ermit drinkrn tie watei as orie would dnnk tlie water froin a water- : fouritainor downwaidly into a. cbntainer or the-like beneath the faucet : The ;. .. lu : ;-. <, t,' !, o, ' stream and s11ra. modes are. useful for example,, f, ox the nnsin. of dishes or the washing of fruits .. ', . iY3'lY s . 5.. : a :"", u.'^b "'"t". y.,. _t,.. .., :., f ?...-f. :. u".'c. f. c r, <. F : ; i. ; !' t7a. , lv : : a, t" ; r. ånd vegetabies and'in these'latter modes3 the iwåter will','på'sis'through at least one of L thé watér . =4,-...",. q.,,. P. g,,.., treatmeni t, rnedia in the unit housing. Also in the present invention the, valve of the treatment ,., r,, _,,, g ;,,.,, ,. >, : :,.. p.-,. ..., :, ....",., w"_, :, unit mav be o erated iri'a backflush mode. lr vvliich, water ma be'directed in the reverse u , i' ; rt ; i 1. ,,. t. :., ; s. I_".". . ; _ ;' LI ; :'.., '.'L. t : ! ! '.. ; . X .,-x, : : : y', y l...- ; ', _ :.. - ! r direction throtughfat least'oneof the wåterltreatrnen't media'to'rë'genierate that mediå. The volurne wr :. .., C : °Y "- 3 7, a. 1. ; j .. ^. t 7r, t.., y, 6 _i, b. ^.. i..-xy.. s. ... 1 : ., Ft'' when they shouldbe. replaced..-. :. :................ ; \...,.,.., M, be S'l. s :.' i_Y ; e.', _S i. v ? ,.... t.,,..,.. t" t. . : l,.., _ ; s S,'d.,,,..""'1 '-''. d, when the.'should be re laced.. : , 01-O1 It will be understoo, d that the preferred embodiment of the 'resent ,. _,.. ;"t.,. 1, . l ; ; :, i, ;,.., p, 4 '. ; x., _ :,. ;.- invention which has been. descnbed lg. mérèly lllustrative of.'the prin'cioles.'of then'resent ' : ; ! rc, ovyc ;''A : '. . oj _ (',. t.. !., t,-3'a S'f f s t. ; t. . i, l.. i. = e u"e . : 1. 1'.' : ihvehtibh.'Numerous mbdificatibhs maybemadefby those skilled in'the art without departihg f zl. : r Sri ? i.. y :, s , ."t.,.,. tt..., E_ ., v. , ia :. <.. . 0. r. au :. .. ; .. t,'rt-, 74,. . E, 1.,) . SZ : m. s', t :. fro'riithe t'ue spirit'and scope of the, invention .. _...... a....... _.., _... _.. _. e...