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Patent Searching and Data


Matches 151 - 200 out of 5,569

Document Document Title
WO/2013/032186A1
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/2013/029332A1
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/2013/025421A1
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/2013/009274A3
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/2012/176238A1
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/2012/172499A1
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/2012/165677A1
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/2012/136891A1
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/2012/136890A1
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/2012/120751A1
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/2012/115702A1
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/2012/100572A1
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/2012/097901A1
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/2012/098155A1
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/2012/071939A1
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...  
WO/2012/051974A3
The invention relates to apparatuses for increasing the output of hydraulically operated tools, comprising a hydraulic device having at least one pump. Said apparatuses are characterized in particular by a simple implementation. For this...  
WO/2012/039450A1
An orifice (60) formed in a valve seat (12) has: an orifice inlet portion (61) where the hole diameter is smallest; an orifice intermediate portion (62) where the hole diameter increases in the refrigerant flow out direction from the ori...  
WO/2012/037138A1
A volume booster for a fluid flow control device comprises a supply path for supplying a fluid boost to facilitate actuation of an actuator in a first direction, and an exhaust path for enabling controlled exhaust to facilitate actuation...  
WO/2012/037142A1
A volume booster for an actuator system advantageously includes an adjustable restrictor, such that the exhaust capacity of the device can be adjusted for specific applications. The device comprises a body, a supply path, an exhaust path...  
WO/2012/037134A1
A fluid flow control device includes a body having an inlet connection, an outlet connection, and a discharge port. A supply path extends between the inlet connection and the outlet connection and a booster module is disposed within the ...  
WO/2012/037131A1
A fluid flow control device having a body (44) having a inlet connection (30), an outlet connection (32), a discharge port (36) and a booster module (45) disposed within the body. The booster module including a control element (48) and a...  
WO/2012/028364A1
The invention relates to a device for throttling a fluid flow having a basic body (12) which comprises at least one throttle point (14) with a predefinable opening cross section, and to a piston pump for delivering fluids having a thrott...  
WO/2012/028370A1
In a delivery device 10 of a fuel supply system of an internal combustion engine having a high-pressure piston pump 12, a delivery chamber 30, an inlet valve 14 and an outlet valve 16, it is proposed that it comprises a flow restrictor 2...  
WO/2012/024024A3
An alignment mechanism (100) is used for assembly of a diffuser (22) inside a pressure reducing and conditioning valve (20), said valve having a body (23), an inlet port (21), an outlet port (24), a pressure reducing section (40) between...  
WO/2012/006769A1
An almighty sub-controlled low-carbon water faucet is disclosed. The front part of the water faucet shell (1) is provided with a cover (2) through the center of which is a water outlet (3), and the inner cavity surface of the water outle...  
WO/2011/154339A1
The invention relates to a water drain valve (100, 200) for electronics housings and to an electronics housing having such a water drain valve (100, 200). The water drain valve (100, 200) comprises a connecting element (10, 50) for conne...  
WO/2011/155603A1
A normally closed solenoid valve provided with a damper chamber for reducing the vibration of the mover is improved to minimize the entry of air into the damper chamber to thereby stabilize the damping performance of the damper chamber. ...  
WO/2011/141782A3
An expansion device (30), comprising a passageway (33) formed orderly by a tubular inlet portion (31), a tubular throat portion (65) and a tubular outlet portion (66), with a closing element (60) arranged in the throat portion (65), the ...  
WO/2011/141782A2
An expansion device (30), comprising a passageway (33) formed orderly by a tubular inlet portion (31), a tubular throat portion (65) and a tubular outlet portion (66), with a closing element (60) arranged in the throat portion (65), the ...  
WO/2011/139166A1
According to one embodiment, a system and process for the equalization of pressures of a flow stream across one or more valves is provided. A process circuit having clean non- abrasive fluid and at least one slave cylinder for transmitti...  
WO/2011/134682A1
The invention relates to a valve (1) for regulating a fluid flow (2), in particular a fibrous material suspension flow (2.1) preferably guided in a machine (200) for producing a fibrous material web, in particular a web of paper, cardboa...  
WO/2011/115816A1
Valve trim apparatus (202) having ceramic trim (210) with protected shut-off surfaces are described. An example valve trim apparatus includes a valve seat (222) composed of a non- ceramic material and having a sleeve insert (226) compose...  
WO/2011/111773A1
A damping valve is provided with a through-hole which forms the passage for fluid, and also with a poppet which has a center axis and is seated on a valve seat around the through-hole. The poppet is contained within the housing so as to ...  
WO/2011/109179A1
An improved fluid pressure reduction device including a perimeter and a hollow center aligned along a longitudinal axis, and further including an inlet region at the hollow center and an outlet region at the perimeter, wherein the outlet...  
WO/2011/105357A1
The disclosed water-conserving valve comprises a metal fitting joined at the top to the opening of a water faucet, a water passage chamber formed in said metal fitting, a freely-rotatable bubble-generating body, and a sluice block. The s...  
WO/2011/097769A1
A water-saving valve includes a base (10), a control valve assembly (20) and a buffer assembly (30). The base (10) has a containing hole (111), the control valve assembly (20) is arranged in the containing hole (111) and has a valve rod ...  
WO/2011/095911A1
A gas pressure regulator (1) comprises a central body (2) having a first, gas inlet pipe (3) and a second, gas outlet pipe (4); a shutter (5) housed at least partially in the central body (2) and mobile to adjust the opening of a section...  
WO/2011/088548A1
A cage valve, flow trim components and method for reduced fracturing of flow trim. The valve is of the type having flow trim arranged across an inlet bore and aligned with an outlet bore, and including a stationary tubular cage and an ex...  
WO/2011/085974A1
The invention relates to a valve assembly (1), in particular reducing valve assembly, comprising a first energy dissipating means (13) and a second energy dissipating means (15) and a valve closing means (17) for opening and closing the ...  
WO/2011/088078A3
A valve for preventing water hammer includes a speed reduction device for reducing a speed at which the valve may be closed. A method of preventing water hammer includes closing a valve at a fire hydrant after extracting water from the f...  
WO/2011/079536A1
An impeller type water-hammer proof and silent check valve includes a shell (2), a sealing ring (3), a fairing (4), a flow-guiding body (5) and a spring (7). Turbulent-flow blades (1) are provided on the outer surface of the flow-guiding...  
WO/2011/079537A1
A water hammer proof and silent check valve comprises a shell (1), a spring (9), a flow guide body (10) and a cowl (11). The flow guide body (10) is installed with flow blocking boards (4, 6) that are projected on an outer surface of the...  
WO/2011/067026A1
A control valve (10) is described, in particular for metering in a fluid for a delivery pump (2) which is arranged downstream, having a flow channel (20), an axially movable valve needle (14), a valve element (16) which can be loaded by ...  
WO/2011/038255A1
A valve having a hemispherical wedge closure member and including structure (70) for maintaining laminar fluid flow through the valve body.  
WO/2011/033794A1
A air discharge valve (23) configured in such a manner that, when the pressure at the primary port (24) is higher than or equal to a predetermined pressure, the valve element (34) is separated from the valve seat (35) to release air at t...  
WO/2011/014059A1
The invention relates to a throttling valve comprising a fluid inlet (29) and a fluid outlet (27). The throttling valve is arranged to control a flux of a fluid stream flowing via a flow path from the fluid inlet (29) to the fluid outlet...  
WO/2011/008379A1
Seal assemblies for use with fluid valves are described. An example valve trim assembly for use with fluid valves includes a cage (328) and a seal assembly (330) to be positioned in at least one of the cage, a cage retainer (326) or a pl...  
WO/2010/144193A1
Fluid valves having dynamic valve trim joints are described. An example apparatus for use with a fluid valve includes a body configured to retain a cage of a fluid valve. Additionally, the example apparatus includes a plurality of projec...  
WO/2010/138119A1
Fluid flow control devices comprise a body including a central aperture extending along a longitudinal axis therethrough and a plurality of channels extending from an outer sidewall of the body to an inner sidewall of the body. At least ...  
WO/2010/138425A1
A short stroke flow control device or valve which is adapted to provide velocity control trim in a short stroke The valve constructed in accordance with the present invention comprises multiple disk stacks or cages which are separated fr...  

Matches 151 - 200 out of 5,569