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Patent Searching and Data


Matches 1 - 50 out of 1,859

Document Document Title
WO/2014/108073
Disclosed is a piston type check valve, being composed of a valve body (1), a valve bonnet (2) and a piston in a connection mode. A cylindrical valve seat (3) is arranged in the valve body (1), one side of the valve seat (3) is in commun...  
WO/2014/107492
A cage (22, 122, 222, 322) for a control valve trim assembly includes a cage body having an opening at one end and a wall (38, 138, 238, 338) extending from the opening, a plurality of cage openings (40, 140, 240, 340) disposed in the wa...  
WO/2014/106279
This disclosure is generally drawn to systems, devices, apparatus, and/or methods related to choke systems for drilling environments. Specifically, the disclosed systems, devices, apparatus, and/or methods relate to choke calibration, po...  
WO/2014/094599
Disclosed is a water hammer discharge valve, comprising a valve body (1) and a sleeving tube (12) connected via a connecting seat (7), wherein a valve seat (2) and a valve clack (4) which are mutually matched are arranged in the valve bo...  
WO/2014/095404
The invention relates to a valve device for a motor vehicle with: a housing 1; a flow duct 2 situated in the housing 1; a flap 3 arranged in the flow duct 2 in order to close off the flow duct 2, wherein the flap 3 has regions in which a...  
WO/2014/074864
Embodiments of a valve device that reduces noise and vibration that may occur during low flow conditions in fluid couplings (e.g., valves and flow regulators). These embodiments utilize a plug (108) and seat (106) arrangement with geomet...  
WO/2014/070977
A valve cage for a fluid flow control device includes a hollow cylindrical body, a noise abatement section, a high capacity flow section, and a transition section. The noise abatement section has a plurality of inlet openings, a pluralit...  
WO/2014/066453
A choke (30) is provided. The choke (30) includes a trim (44) that includes, in one embodiment, a wedge-shaped member ("wedge") (50) and a cage (52) with an opening (82) for receiving the wedge (50). The wedge includes a first surface (6...  
WO/2014/061104
The present invention is provided with: a main body (1) in which a first flow path (2) and a second flow path (3) are connected; a valve chamber (14) which is formed inside the main body (1), and which communicates with the first flow pa...  
WO/2014/061385
The present invention is provided with: a main body (1) in which a first flow path (2) and a second flow path (3) are connected; a valve chamber (14) which is formed inside the main body (1), and which communicates with the first flow pa...  
WO/2014/061056
The present invention is provided with: a main body (1) in which a first flow path (2) and a second flow path (3) are connected; a valve chamber (14) which is formed inside the main body (1), and which communicates with the first flow pa...  
WO/2014/042539
A construction is described for the reduction of pressure in a liquid that flows through an extended hollow body, characterised in that the hollow body comprises a unit that defines one or more flow channels, said channels show a stepwis...  
WO/2014/042872
A valve body (10) includes first (12) and second (14) openings, a gallery (16), and first (PI) and second (P2) flow conduit portions. The openings are centered on a central axis of the valve body. The gallery is disposed between the open...  
WO/2014/037659
The invention relates to an epicyclic reduction gear, notably for a turbomachine, equipped with a device forming a fluid circulation passage (20a, 20b) able to generate a pressure drop, created by stacking at least two elements (22). Eac...  
WO/2014/039348
Embodiments of a noise attenuation device (100) comprise a plurality of stacked plates (114) that form channels to reduce energy in a flow of working fluid that transits the noise attenuation device. In one embodiment, the stacked plates...  
WO/2014/012751
The invention relates to a throttle unit (1) for a torque limiter (2) of a friction clutch (3), having the following components: an input (4) for a fluid, which is in fluid connection with an outlet (5) via an orifice (29); a housing (6)...  
WO/2014/012751
The invention relates to a throttle unit (1) for a torque limiter (2) of a friction clutch (3), having the following components: an input (4) for a fluid, which is in fluid connection with an outlet (5) via an orifice (29); a housing (6)...  
WO/2014/003459
The present invention relates to a device for reducing the pressure and the velocity of a flowing fluid. According to the present invention, a cage has discs having through-holes which come into close contact with an outer surface of a p...  
WO/2013/190768
A rotation space (33) in which a refrigerant that has flowed in from a refrigerant inflow port (31) rotates, a restriction space (34b) that depressurizes the refrigerant that has flowed out from the rotation space (33), and a downstream-...  
WO/2013/189267
A water inlet valve provided with a silencing function comprises a valve body (10), and a water stop valve (20) provided with a water stop rubber mat (22), wherein a back pressure cavity (11) is arranged in the valve body (10), and the w...  
WO/2013/175708
A backflow prevention structure is applied to a compressor (1) in which an inflow port (30b) through which a fluid to be compressed flows into a compression chamber (15) is provided, and prevents backflow of the fluid from the compressio...  
WO/2013/163111
A control valve which includes a uniquely configured seat ring outfitted with flow passages adapted to operatively interact with a valve plug in a manner providing prescribed pressure reduction characteristics in a fluid flowing through ...  
WO/2013/159747
A water deflector plate and a water tank water inlet valve having the water deflector plate. The water deflector plate comprises a main body (500) having a front side and a rear side. The main body (500) is provided with a through mounti...  
WO/2013/152993
The valve (101) comprises a valve body (103) with a fluid inlet (107), a fluid outlet (109), an inner cavity (105) and an outer cavity (141) at least partly surrounding the inner cavity. The outer cavity (141) is in fluid communication w...  
WO/2013/148423
A seat ring (20) for a control valve (10) has a valve body (12) defining an inlet (22), an outlet (26), and a gallery (30). The seat ring includes an annular body (44) and a flow separator (46). The annular body is adapted to be disposed...  
WO/2013/136914
Provided is a control valve that controls the pressure of a fluid passing through, wherein the control valve is provided with: a valve seat (20) having a seat section (22) through which the fluid passes; a poppet valve (60) that is inser...  
WO/2013/138092
A choke (10) with reduced cavitation and/or flashing due to a high pressure fluids passing through the choke includes a housing (12) having a high pressure inlet port (14)and a low pressure outlet port (16), and a cage (18) positioned wi...  
WO/2013/126850
A valve assembly includes a valve body having a body recess and a bonnet including a bonnet recess having a bonnet mating surface. The valve assembly further includes a valve cage disposed within an interior of the valve body, the valve ...  
WO/2013/119722
Pressure reducers are disclosed that, in some embodiments, are designed for use in a pressurized pipe line to provide variable resistance to flow of process fluid, such as steam or water, with no moving parts. The pressure reducers have ...  
WO/2013/110180
A downhole valve is operable from the surface to allow partial venting drilling fluid from a drill string into the wellbore annulus at a point above a downhole motor or other bottom hole assembly components. A drilling parameter such as ...  
WO/2013/105411
Provided is a solenoid valve with which it is possible to prevent noise generated due to repetitive collisions between the valve seat and the valve body that occur when the degree of opening of the passage is small, and with which the de...  
WO/2013/090025
An anti-cavitation seat which is disposable between an inlet and an outlet of a pressure reducing valve, and including a plurality of inlets causing fluid to flow into a converging pathway to reduce pressure of the fluid. The inlets form...  
WO/2013/084607
In order to effectively prevent cavitation and to prevent an increase in pressure loss at a large opening angle, a butterfly valve is configured so that the butterfly valve comprises as basic constitutional members: a cylindrical valve b...  
WO/2013/079847
The invention relates to a method for assembling a regulation valve (10) intended for controlling the flow of gas in a circuit of a motor vehicle equipped with a heat engine, said valve (10) comprising a magnetic structure (15), a rotati...  
WO/2013/066245
A butterfly valve includes a valve housing (1) having a passage (2) for a fluid medium flowing therethrough along a central axis (3). A rotary throttle disc (4) is mounted in the passage (2) and has a stem (5) for rotation of the disc (4...  
WO/2013/029332
Disclosed is a four-function anti-water hammer air valve set, comprising a negative pressure intake valve (1), a micro-amount exhaust valve (2) and a high-speed exhaust valve (3) as well as a control isolating valve (4); the high-speed e...  
WO/2013/032186
The present invention relates to a three-way valve which minimizes a pressure variation between the front and rear sides of a plunger when a fluid supply path is switched, thereby preventing noise and vibration caused by water hammering....  
WO/2013/025421
This invention sets forth a water flow restrictor for insertion into a water line connected to a water dispensing fixture. The restrictor includes an in-line restrictor body having a longitudinal flow passageway. The body also has an ups...  
WO/2013/009274
A manifold trailer comprises at least one main line having a plurality of discharge connectors and a plurality of articulating arm assemblies which are each connected to a corresponding discharge connector. Each arm assembly comprises a ...  
WO/2012/176238
A plate-shaped member (26) for spitting an inflowing fluid into two is provided to an inflow port (11) into which the fluid flows, the pressure wave of the inflowing fluid generated by the opening and closing of a valve element (24) is d...  
WO/2012/172499
A hydraulic valve 1, including a valve body 2 having an inlet 3, an outlet 4 and a passage 5 for conveying fluid between the inlet 3 and outlet 4. The passage has an annular inlet 6 and the valve includes a closure member 7. The closure ...  
WO/2012/165677
The present invention relates to a trim having a function for preventing cavitation, which is applied to a valve that is prone to cavitation due to the valve having a large pressure difference between pressure at an inlet and at an outle...  
WO/2012/136890
This invention relates to a device (1) for reducing flow noise. In order to achieve a low flow noise, the device comprises inlet apertures (3) for receiving a fluid flow, chambers (5) into which one or more inlet apertures (3) open up, a...  
WO/2012/136891
This invention relates to a device (1) for reducing flow noise. In order to achieve low flow noise, the device comprises inlet apertures (3) for receiving a fluid flow, and outlet apertures (7) for forwarding the fluid flow. A combined f...  
WO/2012/120751
A joint (10) interposed in a pilot oil passage (4) by means of a relay passage (12) provided in a joint main body (11), wherein a housing part (13) is formed in the relay passage (12) of the joint main body (11), and a valve structural b...  
WO/2012/115702
A stackable noise attenuating disk includes an inner perimeter edge and an outer perimeter edge. A plurality of inlet passages is disposed along the inner perimeter edge and a plurality of outlet passages is disposed along the outer peri...  
WO/2012/100572
A large-scale hydraulic variable-speed floating box flap valve comprises a hinge support (1), a valve seat (3), an upper valve leaf (5) and a lower valve leaf (8). The valve seat (3) and the hinge support (1) are both fixed on a pump sta...  
WO/2012/098155
The invention relates to a slide valve comprising a plunger unit (24) which is designed in an elongate manner as a valve slide and is guided in a valve housing (20) which comprises at least one valve inlet (32) and at least one valve out...  
WO/2012/097901
The invention relates to a spring element (10), in particular for a piston pump, having a disc-shaped basic body (11), in which at least one spring bridge (16) is inserted. According to the invention, in order to throttle a fluid flow (8...  
WO/2012/071939
Disclosed in the invention is a throttle valve, which comprises two sealing elements whose contact surfaces keep in sealing and matching state, the two sealing elements can move relative to the valve. An inlet (111,211,311) and an ou...  

Matches 1 - 50 out of 1,859