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JP4018789B2 |
To provide a flapper type three-way valve capable of high speed switching and restraining leakage of fluid within the valve. A three-way valve in which two of three ports are selectively communicated with each other is composed of a hous...
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JP4015769B2 |
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JP2007530885A |
An embodiment of the present invention relates to self-contained biasing assemblies for use with fluid flow devices or assemblies, such as valve and pressure regulator assemblies. A self-contained biasing assembly of a fluid flow assembl...
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JP3995543B2 |
A flow control valve includes a main body 1, bonnet 2, spring receiving portion 3, piston 4, spring 24, first diaphragm 27, first valve member 5, second valve member 6 and base plate 7, wherein an opening area of a hydraulic control port...
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JP2007232018A |
To provide a valve mechanism for controlling suitably a fluid stream and a pressurized fluid device operation maintaining mechanism equipped with the valve mechanism, which maintains suitably an operation of a pressurized fluid device at...
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JP2007218280A |
To provide a valve structure wherein a valve can be closed more reliably even when a valve element is poorly thrusted against a valve seat. A shaft portion is provided at the front end of a moving member 10. It consists of a first shaft ...
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JP2007198442A |
To restrain a substance included in a fluid from accumulating on at least a valve body surface. A cylindrical section 4 is arranged on the valve body surface 3a at a side stuck on a valve seat 2 on the surface of a valve body 3 forming a...
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JP3949379B2 |
An apparatus for inoculating a sample to or withdrawing a sample from a vessel or conduit includes a body with an internal collection chamber formed therein. A valve operating rod is movable to open and close an orifice in the collection...
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JP3947957B2 |
To further improve the durability by suppressing the sliding resistance of a movable iron core. This solenoid valve comprises: a bon-net 22; a cap member 32 arranged inside the bon-net 22; a fixed iron core 38 connected to an approximate...
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JP2007162709A |
To provide an inexpensive volumetric pump capable of purging bubbles from a pump chamber, easy of accurate flow control and suitable for an IV filling set.The volumetric pump comprises a slender chamber 8 inside and a housing open at one...
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JP3936093B2 |
To provide a movable sprit type header capable of easily and promptly connecting a branch piping responding to a direction of the branch piping, and securely conducting the connection thereof. A movable split type header is composed of a...
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JP2007154929A |
To provide a bellows valve with simple structure, which prevents external leakage of fluid and is manufactured at low cost.The bellows valve comprises: a valve body 2 having a passage 201 of the fluid; a valve element 3 opening/closing t...
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JP3927240B2 |
An ambulatory volumetric pump apparatus includes a housing defining a channel therethrough having an inlet for receiving a fluid and an outlet for discharging a fluid, a pump operable to pump fluid through the channel, a motor for operat...
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JP3923425B2 |
To prevent intrusion of foreign substance into a shaft bore as much as possible by enabling to arrange a seal member installed on a valve shaft sufficiently close to intake port without being disturbed by chevron shaped tool mark on an i...
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JP2007113765A |
To provide a rotary valve in which the tightening work of a packing pressing member can be easily and reliably performed and tightening can be quickly performed while reducing interference with other parts by a compact structure.A packin...
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JP2007510101A |
A valve has a valving element which is rotatably fitted within a valve body. This valving element of the valve is joined by a stem or shaft portion which extends out of the valve body to interact with an actuator and transmit torque to t...
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JP3902090B2 |
To provide a valve device dispensing with a gap forming portion in a valve head part and being capable of shielding a gap between a bearing and a part supported by the bearing. This device comprises a valve frame body 2, a shaft member 5...
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JP2007071216A |
To prevent contamination of fluid circulating in a valve housing and wear of a screw part and to improve durability.This flow rate control valve 10 is provided with a fixed cylinder 34 in which a float rod 38 is inserted and the screw pa...
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JP2007071251A |
To provide a bellows seal valve capable of letting large flow rate of gas flow smoothly by high conductance, preventing a particle and a product from adhering to the inside of a main body, and improving gas substitution characteristic.Th...
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JP2007058352A |
To provide a fluid controller that is easily installed in a semiconductor manufacturing device and easy to be connected to piping and wiring, can perform flow rate control without any problem even if pulsational fluid flows, and can cont...
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JP2007058348A |
To provide a manual or open-loop control type fluid control device that facilitates installation, piping and wiring in a semiconductor manufacturing apparatus or the like, enables fixed stable control for fluid and enables fluid monitori...
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JP2007058343A |
To provide a manual or open loop control type fluid control device that facilitates installation, piping and wiring in a semiconductor manufacturing apparatus or the like, enables constant stable fluid control and enables fine flow contr...
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JP2007058337A |
To provide a fluid controller that is easily installed in a semiconductor manufacturing device and easy to be connected to piping and wiring, can perform flow rate control without any problem even if pulsational fluid flows, and can cont...
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JP3890081B2 |
A two-part, low friction, live loaded packing system for fire safety and low fugitive emission sealing (less than 500 ppm) of a valve stem at operating temperatures up to 450 DEG F. (232 DEG C.). One lower packing ring set around the val...
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JP3887205B2 |
To provide a new diaphragm valve improved in the constitution of a back plate for protecting a diaphragm. In this diaphragm valve comprising a valve element part opened and closed by a spindle, and the diaphragm protected by the back pla...
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JP2007040422A |
To provide an actuating valve for fluid having high durability in comparison with conventional one by improving lubricating conditions in advancing and retracting an actuation rod.A valve element 3 is advanced and retracted toward a valv...
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JP2007021237A |
To provide a new and improved intravenous pump which is suitable for using in particularly an IV administration set and in the other medical and non-medical systems or the like.The moving capacity pump apparatus comprises a casing 4, a d...
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JP2007501369A |
A fluid control valve, in which the usual metal stem guide bushings have been eliminated, includes a valve bonnet and a packing nut threadably engaging the valve bonnet. A valve stem passes through the valve bonnet and the packing nut in...
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JP2007500331A |
A dynamic sealing arrangement for preventing leakage of a fluid along a shaft includes multiple seals and pressurized barrier sealant is presented. According to one aspect, at least three seals are arranged along the shaft with pressuriz...
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JP3863563B2 |
PCT No. PCT/EP96/00820 Sec. 371 Date Jan. 26, 1998 Sec. 102(e) Date Jan. 26, 1998 PCT Filed Feb. 29, 1996 PCT Pub. No. WO96/28680 PCT Pub. Date Sep. 19, 1996A valve device comprising a body (1), a closure member (2) operated by a shaft (...
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JP3844507B2 |
The invention relates to a plastic end disc for an annular filter element which can be replaceably used in a filter housing and through which flow is radial. Said end disc is meant to rest tightly and permanently in a radial manner again...
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JP2006296130A |
To provide a displacement amplifying device by which a preload spring is not required, and an amount of amplification is increased in proportion to a finite difference of a cross-sectional area.An actuator displaces a leaf spring 7 throu...
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JP3837650B2 |
To secure a sufficient sealing ability and prevent the sticking of a valve stem by forming a flow control valve capable of being directly mounted to a pipeline without requiring a valve casing. A valve element 1 supported in a cantilever...
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JP3829109B2 |
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JP2006200856A |
To provide a three-way valve for an air conditioner, having high airtightness to certainly prevent refrigerant leakage.This three-way valve has, in four directions: a main body tube part 17; an indoor piping side port 12 connected to an ...
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JP2006194106A |
To reduce friction caused in a slide contact part of a valve shaft and a seal bearing by applying a hard carbon material and grease to the slide contact part of the valve shaft and the seal bearing.This valve device is provided in an int...
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JP3796150B2 |
To provide a dual port valve of simple maintenance easy to assemble and disassemble a valve body and a bonnet and preventing the valve body from coming off due to malfunction of the bonnet. In a dual port valve provided with an attaching...
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JP2006170361A |
To provide a valve device having relatively simple construction for controlling the flow amount of fluid as required.The valve device comprises a first member 2 having a flow-in port 8, a valve element 20 stored in a valve housing 4, a c...
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JP2006153230A |
To enable a valve arrangement to enhance productivity by enhancing assembled workability and yield in addition to superior durability.The valve device is configured so as to compose a diaphragm (18) by superimposing a plurality of shin s...
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JP3786525B2 |
To dissolve non-conformity caused by a troublesome chamfering process for the inner circumferential part of an annular seal ring to be used for a hydraulic control valve, and reduce processing costs having risen up so far. This hydraulic...
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JP2006144950A |
To prevent the rotation of an intermediate transmission tool to prevent the loose fixation to a closing member and damage to a diaphragm, allow easy assembling work between the intermediate transmission tool and the closing member and al...
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JP2006144936A |
To provide a response valve, wherein an elastic spool 28 is inserted through the opening side of a temperature sensitive case 26 filled with a temperature sensitive material 27 and a rod 29 is inserted in the elastic spool 28, and when t...
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JP3779658B2 |
To discriminate seal performance of gland packing even in the middle of the operation of a control valve by detecting an axial load or the like acting on a valve shaft. The gland packing 23 to seal between a lid part 5A of a support fram...
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JP3768304B2 |
To provide a valve for refrigerant equipment that can reduce flow resistance of a fluid at the time of opening a passage without the risk of the fluid leaking at the time of closing the passage. A valve for refrigerant equipment is provi...
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JP3758934B2 |
To provide a two-port valve to prevent sticking of a foreign matter to a valve element and a valve shaft and the occurrence of residence thereof even when the valve is used in a line for fluid mixed with a foreign matter, such as dust, e...
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JP3757793B2 |
To provide an opening/closing valve for high pressure fluid reducing the abrasion of a seal mechanism of a valve element. The opening/closing valve is provided with a valve body 2 provided with a fluid inlet passage 6, a fluid outlet pas...
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JP3756135B2 |
To provide a novel diaphragm valve structure hardly giving an abrupt pressure change to a fluid, suppressing the occurrence of cavitation and allowing smooth distribution of the fluid. A valve chest 20 is formed into an approximately fun...
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JP3745427B2 |
To miniaturize a slow exhaust valve by reducing the length in the axial direction of the slow exhaust valve having the function to rapidly/slowly evacuate a vacuum chamber. In a slow exhaust valve provided with a sub valve mechanism 8 in...
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JP2006504042A |
The present invention is directed to a housing flange unit which includes a housing flange wherein a butterfly valve shaft is rotatably mounted in a perpendicular position in relation to the longitudinal axis of the housing flange and in...
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JP3730692B2 |
To provide a plug valve in which in the case of excessive purging a guide tube, a guide line, a stem, a stem tube and the like are not eroded, and in the case of insufficient purging a valve stem or the stem tube does not cause sticking....
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