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WO/2021/103786A1 |
Disclosed is an exhaust valve (100), comprising a valve seat (1), a valve deck (2) capable of being opened or closed relative to the valve seat (1), an elastic piece (4) fixed to the valve deck (2), and a support (5) fixed to the valve s...
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WO/2021/101262A1 |
The present invention relates to a mechanical valve system that is a valve system which operates regardless of the presence or absence of a water tank, supplies water supplied from a water pipe in one or multiple directions, and mechanic...
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WO/2021/097585A1 |
The present invention relates to an automatic LPG valve comprising an opening and closing mechanism (100) that reduces the risk of leaks and faults, a lower body, an upper body and a safety valve, wherein the opening and closing mechanis...
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WO/2021/094102A1 |
The present invention relates to a fuel cell system (100) having a fuel cell stack, a flow element (103, 511), a valve (101, 201, 303, 507, 600), a locking element (123, 200, 300, 400, 501, 609), and an actuator (131, 609). The flow elem...
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WO/2021/091084A1 |
The present invention provides an improved leverage device of a hydraulic pressure remote control valve having a leverage contact face(46) characterized by being constructed with at least an involute curve(53) enabling that a contact poi...
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WO/2021/086164A1 |
The invention having been described by way of background, the following elements, considered to be innovative, are claimed: a pressure regulating device for LP gas, natural gas, fuel, air and other fluids, comprising an integrated soleno...
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WO/2021/084272A1 |
A closure (12) for a beverage keg (10) for the pressurised delivery of a beverage, the closure comprising: a valve housing (38) comprising a valve housing wall (32) and an inlet and configured to house a valve (26) for controlling a flow...
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WO/2021/075633A1 |
The present invention relates to a valve allowing fluid to move only from a high portion to a low portion even when there is external pressure and, more specifically, to a valve comprising: a valve body having formed therein an internal ...
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WO/2021/071174A1 |
The present invention relates to a pressure reducing valve provided with a safety disk, and more specifically, to a pressure reducing valve provided with a safety disk which can prevent damage to the valve caused by high pressure when a ...
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WO/2021/069314A1 |
The invention relates to a valve device (1), in particular for controlling a gas flow in a fuel cell system, said valve device comprising a valve housing (100), in which valve housing (100) a valve element (2) which can move along a long...
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WO/2021/068863A1 |
A self-balancing pipeline apparatus, comprising a water intake pipe (1) and a water discharge pipe (2). A water discharge end of the water discharge pipe (2) is connected to a dynamic differential pressure balance valve (3); the dynamic ...
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WO/2021/071173A1 |
A fluid-controlling valve having a decompression function of the present invention comprises: a valve body mounted to a high-pressure container and having a plurality of flow paths formed therein, through which a source gas passes; a man...
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WO/2021/071703A1 |
A check valve including a first housing having a first seat; a dart disposed at least partially within the first housing and interactive with the seat to selectively create a fluid seal; a second housing disposed at least partially about...
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WO/2021/071478A1 |
A force setting apparatus comprises a valve manifold forming a plurality of ports and a rotary valve coupled to the valve manifold and rotatable on the valve manifold. The plurality of ports are in fluid communication with a plurality of...
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WO/2021/066316A1 |
Provided are an additive supply unit for supplying a received additive to a washing tank, and a washing machine comprising same. An additive supply unit, according to one aspect of the present invention, comprises: a cartridge that accom...
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WO/2021/057716A1 |
A thermally activated pressure relief valve (100). The thermally activated pressure relief valve (100) comprises a valve body (1), a bearing member (4), a temperature sensing unit (5) and a first valve element (2). The valve body has a h...
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WO/2021/057714A1 |
Provided are a heat-activated pressure relief valve and a pressure container. The heat-activated pressure relief valve (100) comprises a valve body (1), a bearing member (4), a temperature-sensing unit (5) and a first valve core (2), whe...
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WO/2021/055858A1 |
An electrical transformer system includes an electrical transformer and a depressurization system in fluid communication with an outlet of the electrical transformer. The depressurization system may include a rupture disk having a domed ...
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WO/2021/055389A1 |
A pulse valve assembly is disclosed. The pulse valve comprises: a main valve comprising a main valve body, a main valve bore extending within the main valve body, and a main valve spool slidingly disposed in the main valve bore for movem...
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WO/2021/055274A1 |
A closure mechanism and a method for plugging a flow control device of a well is provided. The closure mechanism includes a switch having a hollow interior and a U-shaped portion. The closure mechanism also includes a metal insert locate...
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WO/2021/050486A1 |
A vacuum resistant pressure relief device is (100) disclosed. In one embodiment, a pressure relief device may be an explosion vent. The explosion vent may be provided with one or more ribbed features, which may be radial ribbed features ...
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WO/2021/050479A1 |
A gate valve controls fluid communication from an inlet to an outlet relative to a reference pressure. A body defines a passage disposed in communication with the inlet, and an outlet port disposed in the passage communicates the passage...
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WO/2021/044176A1 |
A checkbag valve system installed at the bottom of the drainage systems used in sea water, oil tanks, petroleum derivatives and the like to discharge water in water bags which is used for weigh generation to test the lifting capacities o...
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WO/2021/046075A1 |
A pressure control valve for a downhole drilling system includes a choke body and a restrictor body. The choke body is installed in the bore of a housing. A fluid flow flows through an orifice in the choke body. Changing a distance betwe...
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WO/2021/044133A1 |
A hydraulic protection system (46) for preventing collapse of a hydraulic line (38). The system comprises a pressure sensing assembly (50) which is arranged to monitor a pressure differential between fluid external to the hydraulic line ...
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WO/2021/036573A1 |
Disclosed are an explosion-proof valve (12), a battery pack (1) and an electric vehicle. The explosion-proof valve (12) comprises a first connector (121), a second connector (122), an elastic connector (123) and an explosion-proof film (...
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WO/2021/040668A1 |
In general terms, the present invention relates to a safety valve or a pressure relief valve (PRV) that is developed to be used in combination boilers and similar appliances and utilized for the purpose of controlling or limiting system ...
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WO/2021/041775A1 |
Embodiments of the invention provide a ram assembly for a hydraulic tool. The ram assembly includes a ram piston having a ram cavity. The ram piston receives a hydraulic pressure reaction force. The ram assembly further includes an overl...
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WO/2021/035625A1 |
A valve for conveying fluid has a closed position and an open position and comprises a body (20), a valve seat (70) disposed in the body, a holder (50) disposed in the body, and a valve seat disc (60). The valve seat comprises one or mor...
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WO/2021/033842A1 |
The present invention relates to a freeze protection valve capable of controlling discharge flow rate according to temperature. More specifically, the present invention relates to a freeze protection valve capable of controlling discharg...
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WO/2021/031120A1 |
Disclosed are a device and method for preventing vacuum material returning in an extruder. The device comprises an extruder barrel, a vacuum cavity assembly, a vacuumizing assembly and a safety valve. The safety valve comprises a valve s...
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WO/2021/031621A1 |
A magnetic control material-based, magnetorheological, pilot operated safety valve for a hydraulic support, and a use therefor. The magnetorheological pilot operated safety valve comprises a valve body, a valve core, a return spring (24)...
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WO/2021/029496A1 |
The present invention relates to a self-powered remote control system for a smart valve, the system comprising: a smart valve for regulating the flow of a fluid in a pipe; a sensing module for sensing the flow rate, pressure, and tempera...
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WO/2021/028344A1 |
The present invention relates to a flow limiter for a fuel injection system, which flow limiter comprises: a throttle bush, which has a through-hole; a throttle insert, which is movably held in a first portion of the through-hole; a seal...
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WO/2021/026727A1 |
Disclosed is an anti-siphon pressure water-stop inlet valve of a toilet water tank. The anti-siphon pressure water-stop inlet valve of the toilet water tank comprises a valve seat (1), a pressure water-stop valve (4), a buoyancy control ...
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WO/2021/018345A1 |
The invention relates to a valve (1) with a valve housing (3) and at least one piston (4), having the following features: - the piston (4) and the valve housing (3) are arranged coaxially to each other on an imaginary valve axis (2), whe...
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WO/2021/016471A1 |
A flow arrangement for a valve can include a plurality of flow-control components (140, 142) that are movable relative to each other and that define at least part of a flow path from a pressure source to a dome (33) of a pressure relief ...
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WO/2021/016357A2 |
A valve includes a seat, a ball, a stem, and a spring. The ball is separate from the stem. In a closed position, the ball seals against the seat. The spring biases the steam against the ball and the ball against the seat in the closed po...
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WO/2021/016184A1 |
A flow arrangement (122) for a pressure relief valve assembly (110) can include a bypass flow path (124) extending from a pressure source (118) to a dome (114) of a relief valve (116). The bypass flow path (124) can include a valve (126)...
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WO/2021/016450A1 |
An embodiment includes a valve comprising: a valve channel that couples a valve input to a valve output; a one-way valve included within the channel; a filter; a first pressure relief port, wherein the first pressure relief port is confi...
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WO/2021/009511A1 |
A firebreak device configured to arrest a flow of medical gas capable of combustion or of supporting combustion, said device comprising: a housing having a body portion, an inlet and an outlet, said inlet and outlet being linked by a con...
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WO/2021/009564A1 |
A rupture disk replacement apparatus is disclosed. A clamp (350), a gate (300), a first rupture disk assembly (110) and second rupture disk assembly (120) may be provided, with the first rupture disk assembly mounted on a first aperture ...
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WO/2021/007456A1 |
Disclosed herein are components, systems, and methods to improve performance and maintenance of high-pressure fluid systems, such as waterjet cutting systems. Specifically, embodiments of a valve cartridge are disclosed that include a pr...
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WO/2021/000629A1 |
An anti-surge device of a gas pressure regulator. The anti-surge device comprises: a first damper (7) and a second damper (8). The first damper (7) is transversely arranged, a gas inlet end of the first damper (7) is configured to be com...
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WO/2020/260952A1 |
An actuation assembly(14) for a fluid control device, which comprising a body (18) having an inlet (26), an outlet (30), a fluid flow path (34) between the inlet (26) and the outlet (30), a seat (50), and a control element (42) that is c...
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WO/2020/258590A1 |
A respiratory pressure valve (1) and an apparatus having the respiratory pressure valve (1). The respiratory pressure valve (1) comprises: a base (2), a first end of the base (2) being a fixed part (6), a second end of the base (2) being...
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WO/2020/257140A1 |
A hydraulic valve having a body defining an inlet and an outlet. A motor is supported by the body and operates a shaft extending through an interior of the body, the shaft terminating in a gate. A spring is supported within the housing a...
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WO/2020/248292A1 |
A negative pressure valve, comprising a valve body (1) provided with a water inlet (11), a water outlet (12), and a valve cavity (13), wherein the valve cavity is vertically provided in the valve body; a water inlet hole (131) in communi...
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WO/2020/252466A1 |
A pressure control system configured to automatically monitor and control pressure in fluid lines used in hydraulic fracturing or well stimulation activities is disclosed. The system generally includes at least two valve assemblies each ...
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WO/2020/248013A1 |
A valve device including: a regulating portion having: an insert with an insert inlet, an insert outlet and a hollow portion; a moving portion extending at least partway through the hollow portion of the insert, the moving portion moving...
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