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JP2005069389A |
To provide a valve device capable of avoiding the generation of reverse flow and operation failure by the dynamic pressure without bending a primary side pipe and independently of piping condition.In this valve device, an inlet side inne...
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JP3618286B2 |
A smooth exhaust valve includes a main flow path having a large cross-sectional area and an auxiliary flow path having a small cross-sectional area for connecting a first port and a second port in parallel, a main valve body for opening ...
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JP3598595B2 |
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JP3592123B2 |
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JPWO2002077545A1 |
A housing having a substantially cylindrical inner peripheral surface, a housing flow path including a high-pressure gas flow path and a low-pressure gas flow path formed on the wall surface of the housing, and a small amount of the inne...
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JP2004197877A |
To protect a valve seat part of a uniaxial pressure regulator for tap water from being damaged by high water pressure in water hammer phenomenon.A stopper for limiting the stroke, is mounted on a plunger of a uniaxial pressure regulator ...
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JP3538626B2 |
The invention relates to a differential valve, specially a cabin air discharge valve in the cabin pressure regulation system of an aircraft, particularly an airplane. The differential valve has a smaller first step (20) and a larger seco...
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JP3506409B2 |
To generate the required swirling flow without making a bucket into a complicated shape. In a method for compensating for fluid force of a flow control valve having a passage structure in which a spool 1 is supported in a sleeve S by a s...
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JP2003314736A |
To reduce a dimension of structure of a valve device to reduce a required space, and to simplify operation of the valve device so as to provide structure in which control of valve members is simple and the valve device is not susceptible...
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JP3455186B2 |
To prolong a seat life and to facilitate an opening/closing action by preventing a deviational abrasion caused by a rotational action of the ball of a ball valve. At the stage that a seat 40 for sealing an opening/closing ball 20 of a ba...
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JP3445569B2 |
To provide a pilot type two-port vacuum valve capable of stably performing evacuation by increasing valve opening of a main valve stepwise, and surely preventing a turbulent flow of gas in a vacuum chamber. In this pilot type two-port ty...
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JP2003247648A |
To solve problems of a conventional valve device for a powder pneumatic transportation device that the upper and lower space for the operation of a valve element has to be large because the valve element for opening and closing an outlet...
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JP3442714B2 |
To provide a pilot type 2-port vacuum valve stably setting inside a vacuum chamber to a desired pressure without stirring up particles by a simple constitution and a simple operation. This pilot type 2-port vacuum valve is provided with ...
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JP3385503B2 |
To reduce damage of a valve lifter to press a convex lens-shaped valve of an inlet valve mechanism. This device comprises a convex lens-shaped valve having a communication hole at a center part to press a valve sheat provided in a valve ...
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JP2003505307A |
The system has a pump, a valve and a pump lever as well as an electronically controlled magnetic valve. The magnetic valve has a directly working main valve (2) and a bypass valve (1) located in a bypass arrangement to the main valve. A ...
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JP2002542441A |
A shut-off device with an annular sealing seat (6) composed of annular metallic membranes (9, 10) having approximately identical surfaces and joined to each other on their outside diameter by a weld seam (18) and connected on their insid...
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JP2002318036A |
To provide a rotary type four-way valve which can operate stably, even if the refrigerant pressure difference in a high-low pressure circuit is large, and which is compact, inexpensive and easy to handle and has high insulation performan...
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JP3331269B2 |
A stop valve for use in, for example, a fuel tank bleeding system, has a casing with a valve opening defined in a top portion thereof, a bleeding passage provided downstream of the valve opening, a float provided in a casing for vertical...
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JP2002276828A |
To prolong a life by easily adjusting a compression amount of a seal member 35 and making a load applied to a valve plate front roller 39 provided at parallel link mechanisms 44, 44, etc., and a valve plate 34 as less as possible in a va...
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JP2002523703A |
The invention relates to a valve slide (10) which is especially used in directional valves for controlling pressure medium connections between pressure chambers. Said valve slide (10) is designed as a one-piece component part having seal...
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JP3307921B2 |
To provide a method for changing the flow direction in a fluid system simple in structure, formed by a comparatively small number of simply manufactured and assembled elements, and using a change valve having reliability in operation. Wh...
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JP3307806B2 |
To obtain a reversing valve with a simple structure/consisting of a comparatively small number of simple manufacturing and assembly elements and the action of which is reliable and effective. A valve member 24, in a first position, commu...
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JP2002188752A |
To provide a valve operation machine capable of preventing an internal pressure from being generated in the operation machine even when a gland of a valve body is in a failed condition.The operation machine 21 is attached to a valve rod ...
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JP2002089724A |
To provide a sealing member for obtaining a stable seal effect even in a very low temperature and high temperature areas and causing no buckling even under a high pressure.This sealing member 11 forms an opening 11a over the whole periph...
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JP2001336637A |
To provide a valve seal structure unlikely to generate poor performance of sealing even if the valve element is inclined by eccentric acting of the fluid pressure or the load of a spring.The seal structure of a valve is equipped with a v...
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JP2001519869A |
(57) [Summary] The valve assembly comprises a valve seat provided with a flow path (102) and a closing means movable by an actuating member (111) to engage and disengage the valve seat to open and close the flow path (102). Become. The v...
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JP2001141080A |
To provide a four way selector valve capable of improving ease and agility of switching operation of refrigerant flow passages, simplifying a configuration of the selector valve, improving the reliability of the selector valve, and reduc...
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JP2001082616A |
To raise seat surface pressure when leakage is generated from a seat so as to suppress leakage by drawing a valve seat to a valve element or separating it from the valve element by operating fluid pressure. In a seat part 17, a cylindric...
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JP3145891B2 |
PURPOSE: To provide a valve usable as a cutoff valve of reliability by actuating an actuator piston independently from an inlet channel inner pressure. CONSTITUTION: This valve 1 is provided with a movable valve disc 21 pressed to a rela...
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JP3130932B2 |
PCT No. PCT/AT92/00012 Sec. 371 Date Aug. 2, 1993 Sec. 102(e) Date Aug. 2, 1993 PCT Filed Feb. 5, 1992 PCT Pub. No. WO92/14085 PCT Pub. Date Aug. 20, 1992.Pressure compensated cartridge valve with a valve housing (1, 2) in which is axial...
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JP3125735B2 |
To secure sufficient sealing irrespective of incompatibility between a valve member and a seat by interconnecting the valve member and a displacing means by a wire and displacing the wire in an axial direction so as to control the openin...
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JP3108092B2 |
PCT No. PCT/SE90/00028 Sec. 371 Date Jul. 16, 1991 Sec. 102(e) Date Jul. 16, 1991 PCT Filed Jan. 15, 1990 PCT Pub. No. WO90/08284 PCT Pub. Date Jul. 26, 1990.A valve arrangement for a pressure fluid, particularly high-pressure oil, has a...
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JP2000514163A |
The invention relates to a direct action, pressure-relieved straight valve (1) with a hollow, displaceable sealing tube (19) comprising a valve seat (20) and a valve body (49) with a valve seat seal (21). A drive unit (7) is located outs...
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JP2000257990A |
To provide a change-over valve, which can highly reliably switch flow passages without malfunctions and can be maintained in a power saving state after switching, a fluid compressor, and a heat pump type refrigerating cycle. A change-ove...
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JP2000227167A |
To increase sealability, prevent detect in cutoff of water, and reduce operation torque, by comprising a packing guide having wedge projections and a packing so that the wedge projections are formed valve openings for hot water/cold wate...
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JP3058881B2 |
A valve (42) in a medical ventilator (30) which controls the flow of gas from a pressurized gas source (32) to a patient for inhalation. Flow through the valve is choked and pressure upstream of the valve is held stable so that a known r...
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JP2000179745A |
To reduce fluid pressure applied to a sealing material using simple sealing structure without using special sealing structure, to reduce leakage and permeation of fluid from a seal part, and to enhance sealability.Shaft seal parts 1a, 2a...
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JP3027108B2 |
To provide a valve which is actuated regardless of fluid pressure by retaining to a position where a channel is opened when applying force exceeding deviation force for retaining movable means to a position to close the channel and the c...
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JP2000503369A |
A valve includes a device for shutting off a valve interior. The shutoff device is positioned by a piston which is guided in a cylinder and forms a first chamber and a second chamber in the cylinder. The second chamber communicates with ...
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JP2000035008A |
To reduce liquid leakage from a spool sliding clearance part of a spool valve in a device wherein a load liquid pressure is controlled by conducting switching between liquid introduction to a load from a liquid pressure source and liquid...
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JP3001404B2 |
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JPH11325261A |
To ensure detection of the inflated and shrunk condition of an inflated sheet and of the position of the inflated sheet with a mechanical means. An inflated sheet 6 formed of elastic material, inflated or shrunk ranging between an inflat...
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JPH11280905A |
To provide a metal seal cap which reduces cost and improves reliability in holding airtightness and does not generate internal deformation of a valve stem. In a metal seal cap made of a metal or resin, a seal surface 2 is arranged on an ...
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JPH11280949A |
To facilitate exchange of a suction and discharge valve device for high pressure pump. A valve device for a high pressure pump is held in a proper position by a plug with a screw and provided with a holder having a valve plate and a valv...
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JP2922613B2 |
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JPH11157436A |
To provide a valve of simple configuration in which the risk of damaging of a resilient member is lessened. A valve includes a seat 22 confronting a pressure chamber and equipped with a communication hole 22ac as fluid passage and a valv...
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JPH11157437A |
To provide a valve of simple configuration in which the risk of damaging of a resilient member is lessened. A valve includes a seat 22 confronting a pressure chamber and equipped with a communication hole 22a as fluid passage and a valve...
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JPH11153252A |
To easily switch the flow passage of the refrigerant in the cooling mode and in the heating mode in a heat pump type refrigerant circuit even when the differential pressure of the refrigerant is large. In a solenoid pilot four-way valve,...
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JPH1194100A |
To provide a valve device capable of reducing torque to be generated in the rotation of a valve element, capable of preventing the positional deviation to be generated in the attachment of a seal member, and capable of easily performing ...
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JP2852885B2 |
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