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WO/1990/005262A1 |
A constant regulating valve with pressure compensation has an axially movable spindle (2) to adjust valve apertures between at least one valve inlet (3), a valve chamber (6), a pressure chamber (6A) and at least one valve outlet (4). The...
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WO/1989/012773A1 |
A pair of opposed valve members defines a radial flow path therebetween which extends from the outer radial peripheries of each valve member to an axial bore formed in one of the valve members. The other valve member is mounted on a stem...
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WO/1987/003341A1 |
A bellows seal apparatus for use in compressors or the like which has a pump (15 and 115) arranged and controlled to maintain a desired pressure differential between the inside and a driving mechanism (18, 130 and 230) having a connectio...
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WO/1985/004700A1 |
In a casing (1) a wedge-type valve body (6) may be pressed by means of an actuation rod (3), against seats (7, 8) of two ends of a conduit (9, 10). The two inner rooms of the conduit (9, 10) are each in communication with the inside (12)...
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WO/1984/003344A1 |
A high force-gain valve (10) including a housing (12) having first (14) and second openings (16) therein, a fluid diverter (24) fixed in position within the housing and aligned with the second opening, a translatable gate (28) closely su...
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WO/1983/002813A1 |
The hydraulic control device comprises a frame (1), a slide valve (2) sliding in a drilling (10) of the frame and a control ring (3). Connection conduits (A, B, P, T) may be interconnected or mutually locked according to the position of ...
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JP7449552B2 |
A ball valve includes: a main body having a fluid inlet passage, a fluid outlet passage, and a column-shaped depression communicating with these passages and opening upward; a ball including a fluid communication passage and disposed at ...
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JP7384937B2 |
A fluid valve includes a valve body and a plug. The body includes a chamber and ports that communicate with the chamber. The plug is rotatably disposed in the chamber, and includes a seal disposed in an annular groove provided on the plu...
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JP7333045B2 |
To provide a flow control valve capable of relatively easily and inexpensively forming a pressure equalization passage communicating between a valve port and a back pressure chamber, without restrictions on the tip shape of a valve body....
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JP7254467B2 |
A gap control device 100 that works with a plug 112 on a valve assembly 106 for use in high-temperature applications. The plug 112 may include two parts 114, 116 and a compressible seal 118 that, when compressed, engages with an adjacent...
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JP7227050B2 |
A control valve includes a casing, a valve body, and a seal cylinder member. The casing has an inlet and an outlet. The valve body is rotatably disposed inside the casing, and has a peripheral wall portion formed with a valve hole provid...
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JP7187011B2 |
To provide an actuator capable of suppressing generation of minute particles by suppressing a speed for a diaphram to be seated on a valve seat in simple configuration, a valve, a fluid supply system, and a semiconductor manufacturing de...
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JP7154460B2 |
This exhaust gas recirculation valve (100) comprises: a first partition part (130) which is provided to an inner wall of a housing (110) facing a lateral surface of a valve shaft (120), surrounds the valve shaft (120) in the circumferent...
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JP2022146572A |
To provide a structure capable of reducing slide resistance by a seal ring, in a control valve in which the seal ring is disposed on a slide portion of a valve element.A control valve includes: a body 10 coaxially having a valve hole 30 ...
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JP7142150B2 |
This control valve includes a casing, a valve body, and a seal cylindrical member (131). The casing has an inlet and an outlet. The valve body is rotatably arranged within the casing, and has a circumferential wall part having formed a v...
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JP7097093B2 |
To provide an electric-operated valve capable of securing seating of a valve element at the time of valve closing without using a spring having large urging force.An electric-operated valve comprises: a valve body including a valve chamb...
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JP7091105B2 |
To inhibit autorotation of a spindle.A pressure chamber S is provided between a housing 20 and a spindle 30. The spindle 30 includes: a communication passage 31 allowing communication between an inflow port and an outflow port; and a scr...
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JP6995833B2 |
A control valve includes a valve housing, a joint member, a valve body, and a sealing tubular member. The joint member and the sealing tubular member are provided with first facing portions that face each other in an axial direction of t...
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JP6995832B2 |
A control valve includes a valve housing, a joint member, a valve body, and a sealing tube member. A seal ring, which receives a liquid pressure inside the valve housing and comes into tight contact with the joint member and the sealing ...
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JP6995835B2 |
A control valve includes a valve housing, a joint member, a valve body, and a sealing tube member. The sealing tube member has a biasing pressure receiving surface that receives a pressure of a liquid inside the valve housing and biases ...
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JP6949741B2 |
To provide a steam regulating valve which can prevent leakage of steam to the outside of a bush from an outlet other than a planned steam outlet, and a steam regulating valve assembly method.The steam regulating valve comprises: a valve ...
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JP6938639B2 |
A valve having a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a closing member movable by the movement of the pin, a second housing part connected to the housing and arranged so as to surround the closing m...
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JP6896081B2 |
A valve includes a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a piston connected to the pin, and a seal. The piston is made of metal and the seal made of a different material than the piston. The seal is ...
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JP6827936B2 |
A control valve for controlling a fluid flow is disclosed, in particular a coolant flow in a coolant circuit of an internal combustion engine, including a valve element which is provided with at least one opening, and which can move rela...
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JP6824955B2 |
The servovalve incorporates a rotating plate valving element which connects between the valve ports through cavities formed inside it. The valving element cavities are formed symmetrically in both the valving elements sides, where each p...
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JP6821029B2 |
A valve includes a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a piston connected to the pin, and a seal. The piston is made of metal, has two regions oriented concentrically and parallel with respect to t...
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JP6813472B2 |
To provide a steam valve capable of reducing driving force necessary for driving a valve body.In a steam valve according to an embodiment, a valve lid and a bush are formed with a stem leak flow passage, in which after steam passes as a ...
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JP2020165477A |
To provide a diaphragm valve capable of reducing water cutoff torque.In a diaphragm valve 10, a diaphragm 12 has elasticity on a face 120b to be kept into contact with a compressor 61. The compressor 61 has a press central portion 611 di...
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JP6725931B2 |
To provide a lining type corrosion resistance butterfly valve that can be easily manufactured and shows a superior assembling characteristic in which a high sealing characteristic can be assured over an entire peripheral surface by valve...
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JP6707433B2 |
To prevent the leakage of fluid from a clearance between a valve body and a lip seal by sealing the clearance between the valve body and the lip seal even if a force for floating the valve body from the lip seal at full-closing acts on t...
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JP6708911B2 |
Provided is a variable-capacity compressor control valve that can efficiently cancel the influence of the refrigerant pressure acting on a main valve element and avoid increase in complexity of the structure and size of the control valve...
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JP2020034109A |
To provide a check valve capable of suppressing valve closure by pressure pulsation of fuel while a fuel pump is being driven.A check valve includes: a cylindrical housing which has inside a bottom provided with a valve seat and a fuel p...
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JP6643292B2 |
Provided is an electric valve which can improve operability and durability by reduce torque required for opening a valve, and promote to more miniaturize the electric valve. With movement upwards of a valve holder (23) by a lifting drive...
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JP2019157950A |
To improve responsiveness of a check valve.A control valve 100 includes first and second pilot chambers 14, 15 facing both ends of a spool 12, a signal pressure passage 18 for guiding pilot pressures of the first and second pilot chamber...
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JP2019148317A |
To improve the durability of a seal member of a fluid control valve, and to reduce a size and weight of a drive part.A valve body 14 is rotatably arranged in an accommodation chamber 24 of a body 12, the valve body 14 is formed into a cr...
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JP2019135396A |
To provide a changeover flow rate adjustment valve capable of adjusting a flow rate of a fluid to prevent deterioration of sealability of a seal portion.An auxiliary valve 34 not directly kept into contact with each of seal portions 401,...
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JP2018123856A |
To provide a valve device capable of suppressing degradation of sealing performance while suppressing generation of torque by a fluid pressure.A valve device includes a valve seat 10 formed into the annular shape having a spherical inner...
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JP6261593B2 |
Provided is a high-pressure automatic NC diaphragm valve in which a valve seat is constantly under a large load because of a high-pressure force biasing a valve body, wherein the valve can be stored while the performance of the valve is ...
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JP2017198233A |
To provide a pressure balanced normally-closed type solenoid valve capable of assuring a desired seal diameter easily and appropriately against various kinds of objects to be applied.There are provided a housing 1 for holding a cylinder ...
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JP6187274B2 |
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JP6129967B2 |
A valve is provided. The valve includes a body provided with fluid passages for circulating fluid therein. The body has a body interface with ports connected to the fluid passages. The valve also includes a valve element having a valve e...
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JP6099898B2 |
The valve has a valve housing (1) including a wall (2) that is provided with an opening (3) for a flow path (F). An outer disk section (9) includes outer and inner surfaces (15, 16), that point radially inward and run parallel to an open...
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JP5907506B2 |
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JP5816332B2 |
Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred...
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JP2015197068A |
To provide a waste gate valve which enables a valve to be surely seated on a valve seat and in which noise caused by a backlash between a support arm and the valve can be prevented.A waste gate valve 1 comprises: a support arm 3 arranged...
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JP2015527555A |
A packing land for a valve, the packing land having a top that accepts the gate. The packing land has first and second longitudinal portions of packing material that seal the gate. In addition, the packing land has first and second stuff...
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JP5690537B2 |
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JP5481079B2 |
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JP5378501B2 |
A gate valve has a gate movable between open and closed positions within a valve body, and walls in the gate defining an equalizer port between opposite sides of the gate. The equalizer port is adapted and arranged to be shiftable by act...
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JP5329607B2 |
A multi valve two-stage pulse tube type GM refrigerator having a rotary valve that comprises one track for flow to the regenerator and two tracks for flow to the pulse tubes where the valve has two high pressure ports to the pulse tubes ...
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