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Patent Searching and Data


Matches 1 - 50 out of 15,835

Document Document Title
WO/2019/221291A1
[Problem] To provide a filling port opening/closing mechanism which is for a check valve-equipped package and which can simply open a filling port of a check valve-equipped package for filling and close the filling port after filling wit...  
WO/2019/219732A1
The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises: - a one-p...  
WO/2019/221290A1
[Problem] To provide a vacuum suction structure for a check valve-attached package material, the structure being capable of complete deaeration to the end even when the contents are a powdery substance or a granular substance, and in par...  
WO/2019/222032A1
A valve apparatus or assembly that includes a leash. In one aspect, the valve apparatus or assembly includes a loop or hoop structure that attaches to a component of a breast pump system.  
WO/2019/212404A1
Embodiments of the invention include a unidirectional exhalation valve for a respiratory device such as a facemask. The valve opens to vent air out of the interior of the facemask and closes to prevent the inflow of ambient air. The valv...  
WO/2019/209828A1
Check valve inserts define a valve seat for an open position of a check valve and have an outer support seatable in an internal chamber of the check valve and have an inner annular ring spaced radially inward from the outer support by a ...  
WO/2019/210000A1
A self-flushing connector includes a housing having a cavity, a first inlet port, a second inlet port, and an outlet port. A collapsible valve is disposed within the cavity. A first flow path extends from the first inlet port to the outl...  
WO/2019/208357A1
A valve body (700) is formed into a cylindrical shape by winding a single plate so that the longitudinal direction comes to be a circumferential direction, and is provided so that an outer peripheral wall (705) can come into contact with...  
WO/2019/208016A1
This valve is provided with: a first plate forming a first vent hole; a second plate which configures, with the first plate, a valve chamber therebetween communicating with the first vent hole, and forms a second vent hole communicating ...  
WO/2019/199851A1
A damped check valve (20) having multi-pressure operation is provided. The check valve includes a liner (22) with a poppet (24) movable within the liner. The liner defines a flow passage (38) aligned along a longitudinal axis (44) define...  
WO/2019/198435A1
Provided is a fuel tank check valve in which it is easy to attach a cap to a valve-body accommodating part. A fuel tank check valve 10 includes: a body tube 20 provided with a valve-body accommodating part 40; a valve body 70; a cap 80; ...  
WO/2019/197065A1
The invention relates to a pressure-limiting valve (22), comprising a valve element (44) and a loading element (52) which loads the valve element (44) against a valve seat (42) counter to an opening direction (58), wherein the valve elem...  
WO/2019/197744A1
The invention relates to an air bleed device for an aircraft engine, comprising a supporting structure (12) and a flap able to rotate about an axis (X) in relation to the supporting structure (12), said device further comprising a return...  
WO/2019/200319A1
A pressure relief valve (100) is provided that includes a housing (102) and a flap (104). The housing (102) includes a plurality of receptacle members (132) with openings (150) therebetween, and the flap (104) is configured to be accepte...  
WO/2019/200039A1
A gas pressure relief valve assembly with a normally closed check valve received in a main body. An actuator pin slidably received in a guide body threadably carried by the main body may be advanced to open the check valve and retracted ...  
WO/2019/193414A1
A tire inflation viewing device that enables to view the proper operation of the inflation arrangements and that, in turn, enables to determine which of all of the tires is being inflated and has an air leak.  
WO/2019/194724A1
A valve (1) for a gas or liquid container (6) comprises two elongate films (2) of a soft material arranged flat on top of each other and attached to each other with a joint (3) on each long side such that a channel is formed between the ...  
WO/2019/193921A1
[Problem] To minimize sticking of a lead valve and to improve sealing. [Solution] On the front surface of a valve plate (24), a plurality of recesses (61), which are only partially covered by an intake valve (56), are formed in the perip...  
WO/2019/194303A1
[Problem] To achieve a more compact tire valve. [Solution] This tire valve 10 is provided with a tubular valve stem 50, and a valve core 20 is accommodated in a flow channel 20R that penetrates the valve stem 50. Furthermore, a circuit b...  
WO/2019/193744A1
[Problem] To reduce the size of a tire valve. [Solution] This tire valve (10) has a circuit substrate (50) which is curved about a flow channel (20R) for accommodating a tire valve core (20).  
WO/2019/189982A1
Proposed is a valve assembly capable of controlling the flow of fluid only in one direction according to an inclined direction. The valve assembly of the present invention comprises: a valve body (10) which includes a plurality of pairs ...  
WO/2019/187177A1
[Problem] To provide a valve core and a tire valve that can be used as an electrical path. [Solution] A valve core according to the present invention has: an insulating first sleeve having a screw on an outer side surface; a second sleev...  
WO/2019/188947A1
Provided is a check valve which can be reduced in size and in which the occurrence of chattering can be suppressed. This check valve is disposed in a flow passage for fluid and is provided with: a seat member having a large-diameter sect...  
WO/2019/184003A1
A device for detecting the working state of a check valve. The device comprises a mechanical part and a data acquisition part. The mechanical part is provided with a liquid inlet (17), a liquid outlet (22), a valve element (20), a valve ...  
WO/2019/190609A1
A combination control and check valve assembly for a wet piping system includes a control valve in the form of a ball valve and a one-way check valve mounted within the flow pathway of the ball valve. A valve actuation assembly is mounte...  
WO/2019/188948A1
Provided is a check valve in which the occurrence of chattering can be effectively suppressed. This check valve is provided with: a housing provided with an inlet flow passage, a valve chamber, and an outlet flow passage; a seat member p...  
WO/2019/186956A1
[Problem] To suppress deformation of a portion, of a valve core, such as a flange part. [Solution] A valve core according to the present invention has: a cylindrical barrel part; a barrel packing that encircles the outer side surface of ...  
WO/2019/189981A1
The present invention proposes a valve assembly capable of controlling a fluid to flow only in one direction along an inclined direction. A valve body (10) of the valve assembly of the present invention comprises: a partition wall (14) h...  
WO/2019/184309A1
Provided is a high-temperature and high-pressure gate valve for an ultra-supercritical main steam system, wherein a supporting plate (20) is axially disposed inside a valve chamber (16); a first bearing (21) is disposed at a lower end of...  
WO/2019/181863A1
A check valve (71) can regulate an operating fluid flowing through inflow holes (ORs), and has a valve body (700), which is formed in a cylindrical shape by rolling up a single plate. The check valve (71) has a narrow-width section (710)...  
WO/2019/181409A1
[Problem] To provide a power element that is capable of suppressing deformation of a resin stopper member caused by heat generated during welding, and an expansion valve having the power element. [Solution] In an expansion valve 1, an up...  
WO/2019/181880A1
A ring-shaped groove section (55) has: a side circumferential surface (560) that is formed in a ring shape so as to extend from a bottom surface (550) to a radial direction inner side of a cylinder member (50) and connect to an inner cir...  
WO/2019/181377A1
This improved expansion valve which is of low cost and in which noise can be further reduced has: a valve body 2 which is disposed in a valve chamber VS connecting two flow paths 21, 22 and which is provided with an annular valve seat 20...  
WO/2019/176850A1
A reciprocating body (2) comprises: a valve body (6) including a turning face (10a); a valve shaft (7) which is guided by a guide tube (4); and an annular packing (8) which circumferentially closely attaches to a valve seat (12a) when th...  
WO/2019/173231A1
A valve assembly is disclosed herein having a valve member and a valve seat body. The valve member is reciprocatingly movable into and out of engagement with the valve seat body. The assembly further includes a seal insert positioned to ...  
WO/2019/172511A1
An apparatus for breeding a laboratory animal, according to the present invention, comprises: an apparatus main body having, therein, a breeding space in which a laboratory animal is bred; a cover having an opening formed at one side the...  
WO/2019/170883A1
An automatic plate valve (1) comprises a valve seat (2), a valve catcher (3), a longitudinal axis (L) and a valve element (7) which is arranged between the valve seat (2) and the valve catcher (3) and which can move back and forth in the...  
WO/2019/170932A1
The invention relates to a leaktight arrangement for installation in a threaded axial hole, which comprises: a bolt (12) that includes a head (13) and, at the opposite end, a first externally threaded portion (14) for screwing to a first...  
WO/2019/170524A1
The invention relates to a control screw (18) for a camshaft phase shifter (12) of an internal combustion engine, the control screw (18) extending along a longitudinal axis (X) and comprising: a screw body (22), a tubular slide assembly ...  
WO/2019/170188A1
The invention relates to a venting valve for venting a drive unit of a motor vehicle, in particular a hybrid module, and to the hybrid module which is equipped with the venting valve. The venting valve (1) serves for venting a drive unit...  
WO/2019/172131A1
A control valve (100) comprises: first and second pilot chambers (14, 15) facing both ends of a spool (12); a signal pressure path (18) for guiding the pilot pressure of each of the first and the second pilot chambers (14, 15), as the si...  
WO/2019/169366A1
A suction cover assembly for a frac pump includes a suction cover having an annular base flange defining a sealing interface proximate to the base flange. The suction cover is dimensioned to be accommodated within a bore well of a fluid ...  
WO/2019/168413A1
A liquid control valve including a body comprising an inlet port, an outlet port, and an interior chamber, the body defining a liquid passageway between the inlet and outlet ports. Also included is a plunger comprising a groove provided ...  
WO/2019/168505A1
Valve systems and methods for inserting the valve system into a casing for a downhole environment are provided. The valve system includes a mandrel, a check valve assembly, and a sealing element containing swellable polymeric material. T...  
WO/2019/169367A1
A valve with a modular seal is described herein. The valve includes a metal valve body defining at least one seal-receiving slot, at least one modular seal including an annular dampening member coupled to an annular metal member is confi...  
WO/2019/168506A1
Valve systems and methods for inserting into a casing used in a downhole environment are provided. The valve system includes a tool mandrel, a check valve assembly, and a setting system. The setting system includes inner and outer settin...  
WO/2019/169362A1
A valve assembly for a high-pressure fluid pump is described herein. The valve assembly includes a valve seat disposed in a cylindrical bore in a fluid end of the pump, and a valve body that includes: a top plate defining at least one pr...  
WO/2019/169364A1
A valve assembly for a fluid end of a frac pump includes a valve seat, a generally cylindrical and elongated metal core, a dampener layer bonded to the metal core, a metal outer layer bonded to the dampener layer. The metal core, dampene...  
WO/2019/169363A1
A valve assembly for a high-pressure fluid pump includes a valve seat and a valve body. The valve body includes an annular head portion, a generally hollow valve cylinder coupled to the annular head portion, the valve cylinder defining a...  
WO/2019/168543A1
A hydraulic chain tensioner assembly including an inner sleeve, configured to be received within a piston cavity formed in a piston that slides relative to a piston bore in a housing of a hydraulic chain tensioner to engage a chain, wher...  

Matches 1 - 50 out of 15,835