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Matches 501 - 550 out of 3,229

Document Document Title
JP2016070271A
To provide an oil-free screw compressor in which its manufacturing can be easily carried out and flexing of a screw rotor is restricted.An oil-free screw compressor of this invention comprises a screw rotor 14 including a screw part 14a ...  
JP2016070145A
To provide an oil-free screw compressor for reducing a pressure loss at an annular space communicating an atmosphere releasing hole with a communication hole and preventing lubricant oil from flowing into it during unloading time.This in...  
JP2016070178A
To realize an appropriate amount of oil supply by controlling an oil supply amount for each of a bearing part, a suction chamber and a compression space.A scroll compressor 1 comprises a fixed scroll 7 and a rotating scroll 8. A suction ...  
JP2016070142A
To provide an oil-free screw compressor capable of assuring both prevention of flowing-in of lubricant oil and a compression performance.This invention comprises a casing 12 having a rotor chamber 150; a bearing 22 supporting a rotary sh...  
JP5904961B2  
JP2015121121A5  
JP5890292B2  
JP2016037937A
To enable a smooth revolving motion of a rotating scroll to be carried out at a scroll type vacuum pump.A surface of an end plate 61 at a rotating scroll 6 opposing against a surface forming a closed chamber 7 is provided with an annular...  
JP5878970B1
[Subject] Behn's chattering generating by temporary decompression of Behn's back pressure space in the second half of a compression process or a discharge process is prevented. [Means for Solution] It is open for free passage to the 1st ...  
JP5878971B1
[Subject] Behn's chattering generating by temporary decompression of Behn's back pressure space in the second half of a compression process or a discharge process is prevented. [Means for Solution] Next, back pressure space 77 of the Beh...  
JP5868387B2  
JP5865960B2  
JP2016023580A
To provide a scroll compressor capable of reducing leakage and further improving compression efficiency.A scroll compressor comprises: a fixed scroll; and an orbiting scroll. A lap 21 of the fixed scroll is engaged with a lap 31 of the o...  
JP2016017511A
To provide a single screw compressor capable of suppressing the deterioration of efficiency due to excessive sealing while securing sufficient sealability between a casing and the opposite face of a screw rotor to the casing.The single s...  
JP2016503136A
Rotation fluid machinery has the inner rotor and outer shell which were supported according to the fixed support structure, Relative motion of a rotor [as opposed to / are arranged so that the closing point inside the above-mentioned she...  
JP2016014471A
To enable a seal ring including a cut in one circumferential portion and having a square cross-section to be molded without mechanical processing and to exhibit excellent sealing performance.A seal ring S is integrally injection-molded i...  
JP2016014481A
To enable a seal ring including a cut in one circumferential portion and having a square cross-section to be molded without mechanical processing and to exhibit excellent sealing performance.A seal ring is injection-molded using a thermo...  
JP5840060B2  
JP2015229974A
To provide a scroll compressor which simplifies a structure, reduces size and weight, decreases assembling man-hour, saves a cost, by configuring a housing and a scroll compression mechanism for which four components seem indispensable, ...  
JP2015535572A
The present invention is a multi-stage vacuum pump, and it has demarcated two or more pump transportation chambers (106) (116) *, A face (118) ((120) is met and they are the 1st and 2nd half shell type stator components (102, 104) that c...  
JP5831619B1
[Subject] Behn's chattering generating by temporary decompression of Behn's back pressure space in the second half of a compression process or a discharge process is prevented. [Means for Solution] Next, back pressure space 77 of the Beh...  
JP2015214934A
To provide a vacuum pump device including shaft seal parts that can improve shaft seal performance while having a simple structure with no need for high machining accuracy.A vacuum pump device according to the present invention comprises...  
JP2015209778A
To provide a rotary compressor that makes the thickness of a partition plate thin and has no leakage flow passage by eliminating a seal member and a fastening member such as a bolt.A rotary compressor includes: a compression mechanism un...  
JP5814934B2  
JP2015190343A
To improve the startability of a compressor.The compressor of the present invention includes housings 1-5, a suction passage 1b, a driving shaft 9, a rotor 10, and a vane 11. In the housings 1-5, a suction chamber 13, a discharge chamber...  
JP2015183611A
To provide a vane type compressor in which power loss is hardly caused and the reverse flow of refrigerant gas, etc. is also hardly caused.The compressor includes housings 1, 3, 5, a driving shaft 8, a rotor 15, a vane 17, and back press...  
JP2015180824A
To provide an air compressor capable of preventing the entry of dust into the casing of an electric motor.An air compressor comprises: a gear casing 4 connected between a casing of a compressor body 1 and a casing of an electric motor 2 ...  
JP2015178794A
To provide a shaft sealing structure for a rotary pump, which enhances shaft sealability of the rotary pump and thereby enhancing pump performance.A sealing structure for a rotary pump includes a rotary shaft part 20 which is provided in...  
JP2015178820A
To provide a gas compressor capable of preventing occurrence of chattering of a vane and preventing a vane tip from being worn by excessively increasing back pressure and being strongly slid with a cylinder inner peripheral surface.In a ...  
JP2015169177A
To provide an oil-free screw compressor in which a shaft seal device has superior assemblability and leakage of compressed gas from the shaft seal device can be reduced.The oil-free screw compressor is provided in which: a pair of male a...  
JP2015169074A
To provide a small micropump capable of handling gas and liquid, and generating stable pressure and flow rate.A micropump 2 is a pump of a vane structure, and in a rotor 6, a groove communication passage 12 is formed, which can cancel vo...  
JP2015527523A
A supercharger assembly has a rotor housing which forms a chamber. A rotor is in a chamber and it has the end provided with the end face. A seal has a sealing surface which adjoins the end face. in order that a sealing surface and the en...  
JP5777379B2  
JP2015525843A
[Subject] It is in providing scroll pump 60 which has scroll mechanism 62 provided with orbital scrolling 64 and fixed scrolling 66, and the driving shaft provided with eccentric shaft portion 70 connected with same mind shaft portion 68...  
JP2015158144A
To cause an oil film to be easily formed on the thrust surface of a rolling piston.A rolling piston 41 is a cylindrically-formed member which is stored in a space (a working chamber 5) formed among a cylindrical member 1 and closing memb...  
JP2015152003A
To provide a vane pump capable of improving sealability between the wall face of a housing and a vane.A vane pump 10 includes a housing 20 inside which a pump chamber 20A is formed, a rotor 30 arranged in the pump chamber 20A, and a vane...  
JP2013534582A5  
JP5760786B2  
JP2015519508A
The spindle rotor pair of a spindle compressor has the spindle rotor with 2 teeth (2) and the spindle rotor with 3 teeth (3) which gear mutually without contacting. All the volume angles about a spindle rotor with 2 teeth are at least 80...  
JP2015124627A
To secure the favorable sealing performance of a slide face between a chip seal and a base board part by stably securing a load in a radial direction, and accordingly stably securing a load in a tooth protrusion direction.In a state that...  
JP2015121121A
To provide a vacuum pump capable of imparting uniform force to a seal member, and capable of reducing the number of components.A vane pump 1 includes: a housing 2 having an elliptical pump chamber 2A in an inside thereof; a vane 3 arrang...  
JP2015121277A
To improve the sealability of a clearance formed at a portion that receives a lubrication oil.An inner ring (61) of an upper bearing member (6) includes: an inner ring body (61a) contacting with rolling elements (63); and a cylindrical p...  
JP5739971B2  
JP5736440B2  
JP2015516048A
A positive displacement pump assembly is provided with the following. A rotor housing which forms a rotor cavity, It is a plate, and it was constituted so that an end of a rotor cavity might be closed partially at least. It was fixed on ...  
JP2015098794A
To provide a scroll fluid machine capable of achieving both improvement in efficiency and performance by reducing leakage from a clearance of a wrap tip and extension of a life of an end mill tool for machining a spiral wrap.In a scroll ...  
JP5717751B2  
JPWO2013105131A
The Behn type compressor which controls wear of Behn's tip part, and reduces a bearing sliding loss by the ability of a shaft part to be supported in a byway, and raises the outside diameter of a rotor part and the accuracy based on rota...  
JPWO2013105148A
It aims at obtaining the Behn type compressor which controls wear of Behn's tip part and avoids contact with a bush and a cylinder. To a pair of bushes 7, the both ends are cut planate and lacked, and it cuts and lacks so that the plane ...  
JPWO2013105148A1
ベーンの先端部の摩耗を抑制し、かつ、ブッ シュとシリンダーとの接触を回避するベーン 型圧縮機を得ることを目的とする。一対のブ ッシュ7に対して、その両端を平面状に...  

Matches 501 - 550 out of 3,229