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WO/2021/186407A1 |
A one-way relief valve for hermetically sealed packages is disclosed, wherein said valve comprises a valve body (100) made of a lower support surface (102) provided with vent holes (101) and a flexible membrane (110) associated with said...
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WO/2021/188092A1 |
A valve (100, 200, 300) includes a body (104, 204, 304) with a first side surface (120, 220, 320), a second side surface (124, 224, 324), and a flow passage (128, 228, 328) extending through the body (104, 204, 304) to define a flow pass...
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WO/2021/184045A1 |
A reed valve includes a first valve body portion that includes one or more inlet apertures fluidly coupled to a tapered second valve body portion that includes one or more outlet apertures. The reed valve includes at least one sealing su...
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WO/2021/184047A1 |
A flapper check valve employed to prevent flow up the work string while allowing flow down the work string and into the well is disclosed. The check valve is activated by a compression spring, which then acts on a ball which will further...
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WO/2021/182749A1 |
A valve assembly forms a check valve for a scroll compressor including a fixed scroll having a pair of injection ports fluidly coupled to a compression mechanism. The valve assembly includes a valve body having a pair of flow paths with ...
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WO/2021/181385A1 |
The present invention relates to sealing valves that can be mounted within a container wall, enabling controlled fluid flow along both inner and outer surfaces of the sealing valve in the same distal direction.
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WO/2021/182939A1 |
A filter assembly is disclosed. A filter assembly according to the idea of the present invention comprises: an outer casing forming the exterior thereof; multiple filters contained in the outer casing, the multiple filters comprising a f...
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WO/2021/177960A1 |
One-way pressure relief valves (10), (10a) with wetting fluid reservoirs (15) are disclosed. Valves (10), (10a) of the types described herein may be applied to a product package, for example a package (11) containing dry roasted coffee (...
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WO/2021/172098A1 |
A fluid pressure drive unit (100) is provided with: a bottom-side check valve (30) that is provided in a bottom-side passage (15) and is opened as a result of hydraulic oil discharged from a rod-side port (20B) of a pump (20) being guide...
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WO/2021/173589A2 |
A fluidic valve system comprises a housing, a shell mounted to the housing, a vent for allowing fluid to enter the housing in a high pressure zone, at least one Dielectric Elastomer Actuator (DEA) flap forming a seal with the shell, wher...
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WO/2021/169140A1 |
Disclosed is a water path control device. The water path control device comprises a mounting portion (1), a valve shaft (2) connected to the mounting portion (1) in a sliding manner and an elastic body (3). The mounting portion (1) is pr...
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WO/2021/171577A1 |
[Problem] To achieve stable fixation of a tire valve in a tire wheel. [Solution] A valve stem 10 comprises: a pipe-shaped stem body 20, which houses a valve core 11 inside thereof and to which an electric circuit unit 90 is to be fixed a...
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WO/2021/168285A1 |
A nasal plug includes a first tube having a first wall forming a first lumen of a first diameter. The first tube has a first tube proximal end in a proximal plane and a distal end in a distal plane. The nasal plug further includes a seco...
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WO/2021/167265A1 |
The present invention relates to a check valve and a swash plate compressor including same, and can comprise: a valve body having, in the center of one side portion thereof, a first opening in through which a refrigerant flows, having, o...
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WO/2021/158467A1 |
A ball (11) for a valve assembly (10), a valve assembly (10) comprising such a ball (11), a machine (80) comprising such a valve assembly (10) and a method of operating such a valve assembly (10). The ball (11) comprises a first bore (40...
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WO/2021/159119A1 |
An impact absorber is provided and is configured to be positioned between a protected object and an impacted object during use to prevent substantial damage to the impacted object from the impact of an external force. The impact absorber...
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WO/2021/152842A1 |
A check valve (1) is a straight-point-joint type of diagonal lift valve. The check valve (1) comprises a valve seat (12a), a moving body (2) that can linearly reciprocate between a closed state of being in close contact with the valve se...
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WO/2021/152288A1 |
A valve for controlling a flow of a fluid comprises: a sealing plate comprising a plurality of ports for passage of the fluid through the sealing plate in a direction substantially perpendicular to the plane of the sealing plate; and a p...
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WO/2021/154892A1 |
The present invention provides a pneumatic valve system for easily attaching and sealing a valve coupler to a valve stem for filling an inflatable vessel such as a tire, tube, mattress, etc. The valve system may comprise the following ma...
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WO/2021/154108A1 |
The invention relates to the field of power engineering and can be used in heating systems, more particularly in water heaters or boilers, as well as in recovery systems operating on the combustion of associated gas, and in electric powe...
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WO/2021/151886A1 |
The invention relates in particular to a device (4) for holding a flap (2) of a non-return valve (1) in a closed position, with a view to carrying out hydraulic testing of a device or apparatus, characterised in that it comprises a body ...
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WO/2021/151573A1 |
The present invention relates to a system (1) for spraying a washing liquid, comprising: - a reservoir (3) for a washing liquid, - a plurality of spraying members (5) fluidly connected to the reservoir (3), - a pump (7) configured to sup...
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WO/2021/151563A1 |
The invention relates to a pressure-controlled shut-off valve (1) for temporarily interrupting the air supply to a fuel cell stack in a fuel cell system, comprising a valve piston (3) which can be moved back and forth in a cylindrical ho...
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WO/2021/148263A1 |
The invention relates to a valve device (2) of a pneumatically actuatable friction clutch which is arranged in a vehicle between a drive motor and a gearbox and can be engaged by means of spring force, having at least one inlet valve (16...
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WO/2021/148154A1 |
The invention relates to a water pipe that comprises, at its lower end, a closed water container, to the upper region of which a suction tube is attached above the water level, and into which a vertical smoking pipe opens below the water...
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WO/2021/148155A1 |
The invention relates to a charcoal headpiece for a water pipe that comprises, at its lower end, a closed water container, to the upper region of which a suction tube is attached above the water level, and into which a vertical smoking p...
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WO/2021/145685A1 |
In a soft grip head, a soft grip unit comprising the same, and a grip device comprising a soft grip unit, the soft grip head comprises a suction pad that comes into contact with a target object. The suction pad comprises a partition wall...
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WO/2021/143285A1 |
A valve and an air conditioner, which relate to the technical field of air conditioners. In the valve, a valve seat sleeve (2) is fixed within a cavity of a connecting end of a first connecting portion (1), and a telescopic sealing assem...
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WO/2021/146446A1 |
A check valve assembly includes a first port fitting having a tubular stem with a passage extending therethrough and a second port fitting having a tubular stem with a passage extending therethrough. A base is secured between the first p...
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WO/2021/144083A1 |
Combined non-return and shut-off valves for internal combustion engines are known which have an actuator (10), a flow housing (20) with an inlet (22) and an outlet (24), a valve rod (12) which can be moved by means of the actuator (10), ...
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WO/2021/138818A1 |
Disclosed is an anti-backflow device, comprising a ventilation component (10) and a pressing component (30), wherein the ventilation component (10) is an elastic component, and the ventilation component (10) comprises a wedge-shaped end ...
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WO/2021/142095A1 |
Check valves include a valve seat and a movable valve member, or piston. Movement of the piston is what allows fluid to either flow or be prevented from flowing. A magnetic check valve (20) is provided that contains an annular piston (13...
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WO/2021/142110A1 |
Flow control devices herein have a housing defining a plurality of parallel conduits. The first conduit has a normally closed check valve defined to open under a first preselected pressure differential controlling flow through the first ...
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WO/2021/142106A1 |
Check valves have a housing defining an internal cavity and a first port and a second port both in fluid communication with the internal cavity and have a hemispherical poppet sealing member within the internal cavity and translatable be...
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WO/2021/138535A1 |
A valve includes a valve body (104) including a first fluid, a second fluid port (206, 240), and an interior passage fluidly connecting the first and second fluid ports, a bore extending inwardly of the valve body and terminating in an a...
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WO/2021/131677A1 |
A hydraulic pressure supply device equipped with: a first oil pump that is operated by a travel drive source of a vehicle; a second oil pump that is operated by a motor different from the travel drive source, and that switches between op...
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WO/2021/134079A1 |
To inhibit damage to or failure of the bladder within a bladder-type pulsation dampener, an internal passage 405, 415 of a bladder saver device 400, 501, 600-601 carrying pumped fluid from the pulsation bleed plate 416 mounted within the...
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WO/2021/131676A1 |
This oil-pressure supply device supplies, to an oil chamber, an oil pressure generated as a result of drawing oil from an oil source by means of an oil pump. The oil-pressure supply device is provided with: a first oil passage connected ...
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WO/2021/119852A1 |
The present description relates to processes and systems for asynchronous frac-to-frac operations for recovering hydrocarbons. The processes can include the use of injection-only and production-only valves that include a housing and at l...
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WO/2021/123653A1 |
The security unit (9) ensures, by blocking the hydraulic flow, that the rod of a single- or double-action cylinder is held in position. It comprises one or two hydraulic passages (43) through which each of the chambers of the cylinder is...
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WO/2021/120757A1 |
An exhaust valve (100), comprising a valve seat (1), a support (2) fixed to the valve seat (1), a valve cover (3) that can be opened or closed relative to the valve seat (1), an elastic piece (4) fixed to the support (2) and used for pre...
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WO/2021/121155A1 |
A novel reagent addition system, comprising a gas compressing device (1), a main pipeline (8), one-way valves (6) installed on the main pipeline (8) and several reagent units. Each reagent unit comprises a three-way valve (3), a branch p...
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WO/2021/121756A1 |
The invention relates to a pneumatic non-return valve (1) for a unit of a motor vehicle, comprising a housing (3) with a valve body (5) which is arranged in a displaceable manner along a central axis (A) in a valve chamber of the housing...
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WO/2021/120343A1 |
Disclosed are a valve core and a charging valve. The valve core comprises a core body (1), wherein the core body (1) is provided with a through hole inner cavity for supplying air circulation; a core rod (3), wherein the core rod (3) is ...
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WO/2021/116053A1 |
The present invention relates to a stop valve (1) for installation in a pipeline (50), in particular in a pipeline of a nuclear facility, such as a nuclear power plant, or in a conventional chemical reactor and in a conventional power pl...
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WO/2021/118018A1 |
According to an embodiment of the present invention, a regulator for controlling the flow of a fluid is provided. A regulator according to an embodiment of the present invention may comprise: a body portion forming the body thereof; a va...
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WO/2021/116562A1 |
The invention relates to a device (1) for dispensing a fragrance (Y) that is intended to be installed inside a vehicle passenger compartment and comprises a container (5) for storing a fragrance, which can be diffused in the passenger co...
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WO/2021/110780A1 |
The invention relates to a mechanical valve (1) for an aqueous solution system installed in a vehicle, comprising at least a first chamber (10) and a second chamber (11) separated by a separation wall (12), comprising a through-hole (120...
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WO/2021/111546A1 |
A compressor according to the present invention is provided with: a compression mechanism part that ejects a refrigerant compressed therein from an ejection port; a sealing container in which the compression mechanism part is accommodate...
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WO/2021/103464A1 |
Disclosed is an anti-backflow faucet. The anti-backflow faucet comprises a pipe body (10), wherein the pipe body (10) comprises a main vertical pipe (11) which is vertically arranged; a horizontal pipe (12) is provided at the right end o...
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