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Patent Searching and Data


Matches 251 - 300 out of 5,271

Document Document Title
WO/2005/103542A1
Fluid pressure reduction devices for use in gas and liquid handling systems are disclosed. An example fluid pressure reduction device includes a plurality of cylinders, each having an inner diameter surface and an outer diameter surface ...  
WO/2005/103482A1
A flow-through pressure regulator having a housing (20), and a divider(30). The housing(20) includes an inlet (202) and an outlet(204) disposed along a longitudinal axis. The divider(30) separates the housing (20) into a first chamber(40...  
WO/2005/090842A1
A valve assembly including a valve and a valve actuator assembly is provided. The valve actuator assembly is configured to open and close the valve in response to a command signal from a controller. The actuator assembly can include a ge...  
WO/2005/086643A2
A flow restrictor with a first disk having at least one inlet and at least one outlet and a flow path and a second disk having no flow path. The first disk and the second disk being stacked together. A mass flow controller comprising wit...  
WO/2005/080744A1
A method for monitoring the health of a choke used in wellbore operations, characterised in that the method comprises the steps of isolating the choke from an operative state, activating the choke and monitoring the choke during activati...  
WO/2005/072383A3
Various embodiments of the invention provide an enclosure for a metal-air battery assembly (40) for an extended wear hearing aid. The enclosure includes a diffusion control element (80) having a dimensional property configured for contro...  
WO/2005/068886A1
It is possible to rapidly open a fluid passage in a short time by using a simple device and operation without causing a water hammer. A water hammer-less opening device includes: an actuator operating valve arranged on a fluid passage; a...  
WO2004002380A3
A fluid flow resistor (10) for use in ophthalmic surgery includes a housing (12) having an inlet (14) and an outlet (16). An alongated turbine (22) is caused to spin within the housing (12) by a flow of fluid which extracts energy from t...  
WO/2005/026599A1
The invention relates to a butterfly valve comprising a flat multiperforated disc, which, compared to a standard butterfly valve comprising an unperforated disc, has a lower cavitation index. According to the invention, in small opening ...  
WO/2005/019712A1
Fluid flow regulation may be achieved by a system (100) including a housing (110), a first flow throttling area (122), and a second flow throttling area (134). The housing includes a flow inlet port (112), a flow outlet port (114), and a...  
WO/2005/017400A1
A valve assembly comprising a chamber (17), the chamber (17) having an inlet which is adapted to be connected to a source of relatively high pressure fluid, and an outlet which is adapted to be connected to a source of relatively low pre...  
WO/2005/015068A1
The invention relates to a control valve comprising a valve seat (11), a valve element (12), which interacts with the valve seat (11), and a drive device, which acts upon the valve element. The aim of the invention is to be able to impro...  
WO/2004/109171A1
A fluid control valve trim (31) and seat (28) with a valve plug (32) of a radius of about 0.03 inch, when used in conjunction with a valve seat angle of about 75°, results in minimal unbalance area. The valve trim is provided with pairs...  
WO/2004/106792A1
A fluid flow control valve, especially for severe service, e.g. gas and oil power application, comprises a plurality of vortex chambers (9) through each of which fluid flows in substantially vortex fashion between an inlet channel (8) an...  
WO/2004/106790A1
A balance-plug cage style control valve has substantially reduced body-bonnet bolt loading with an elastic seal (46). The elastic seal assembly includes an annular seal (46) having an elastic region (49), a compression surface, and at le...  
WO/2004/083702A1
A process for manufacturing a valve trim assembly. The process comprises providing a flow disk (20A) having an outer diameter (21), an inner diameter (25), and an outer disposable flow disk portion (23), providing a separation disk (20B)...  
WO/2004/072527A1
An ANSI Leakage Class V control valve having consistent shut off characteristics with a reduced actuator force required to open and close the valve is provided. The trim arrangement (45) of the control valve includes a valve cage (48) ha...  
WO/2004/068011A1
A seal assembly (12) is adapted for use in a valve (10) having a trim cage (22) with an inner surface extending along an axis and a plug (32) sized to fit inside the trim cage inner surface, wherein the plug is adapted to move along the ...  
WO/2004/061346A1
A control valve that reduces noise and controls flow includes a slotted cylindrical (224) skirt and/or a tapered metal ring (230). The metal ring has a tapered external surface for engaging a matching tapered bore within a valve housing ...  
WO/2004/057432A1
A fluid passage is emergency-closed in a short time without causing water hammer by extremely simple device or operation. A water hammerless closing device comprises an actuator-operated valve provided in the fluid passage and an electro...  
WO/2004/053243A1
The invention relates to a sanitary fitting (1) comprising a multi-wall housing (2) which can be inserted into a sanitary water pipe and has at least two adjacent walls (6, 7) surrounding an inner region (8). The inventive fitting is cha...  
WO2004024614A3
A severe service condition pressure reduction valve that is resistant to damage by debris carried by high-pressure process fluid stream and operates at acceptable noise levels includes a first stage annular member in the form of a tube o...  
WO/2004/044339A2
A sanitary faucet with a foam control feature adaptable for dispensing pressurized fluids. The sanitary faucet includes a valve body, a plunger assembly, a flow restrictor assembly and an adjusting screw assembly. Also disclosed is a met...  
WO/2004/040099A1
A steam valve, wherein a first valve device (21) formed of a valve seat, a valve element, a valve stem, and a drive device and a second valve device (22) formed of a valve seat, a valve element, a valve stem, and a drive device combined ...  
WO/2004/033944A1
An excess pressure relief system for a tank (10) carried on a vehicle, which includes a relief valve (11) for relieving excess pressure in the tank (10); and a diffuser (12) provided on a discharge line (11a) downstream of the relief val...  
WO/2004/024614A2
A severe service condition pressure reduction valve that is resistant to damage by debris carried by high-pressure process fluid stream and operates at acceptable noise levels includes a first stage annular member in the form of a tube o...  
WO/2004/018914A1
The invention relates to a pressure and flow regulating valve for a gas or liquid comprising a valve housing (1) having one in the same against a seating (2) regulating piston (3). The piston (3) consists partly of an opening- or slot-pr...  
WO2003087643A3
A valve assembly (10) comprises a rotary valve (12) which carries an impedance assembly (14) to attenuate noise.  
WO/2004/010037A1
A skirt guided control valve (2) provides streamlined flow and minimum resistance to flow in flow up and flow down conditions when the valve is open. The skirt guided control valve has a fluid inlet (8), a fluid outlet (6), a passageway ...  
WO/2004/007084A1
Fluid (104) in a chamber (102,142), through which a fuel control armature (86,124) is moving, is used to dampen armature vibrations. This dampening effect is achieved by forming a passage (114) through which the fluid (104)flows as the a...  
WO/2004/005779A1
A surge prevention valve (20) may be used to prevent the formation of an initial surge of high pressure. The valve (20) may be located between a high pressure gas cylinder (16) and a medical pressure regulator (12).  
WO/2004/002380A2
A fluid flow resistor (10) for use in ophthalmic surgery includes a housing (12) having an inlet (14) and an outlet (16). An alongated turbine (22) is caused to spin within the housing (12) by a flow of fluid which extracts energy from t...  
WO/2004/001260A1
A valve assembly (10) comprises a valve stem (14) with a bore (15) and radial apertures (17), and a sleeve (18) closed at one end and slidable over the valve stem (14) to obstruct the apertures (17). At the end of the valve stem opposite...  
WO/2003/104698A1
A guided control valve (10') comprising a vapor recovery area (50) that encourages collapse of vapor bubbles. In a cage-guided valve (10'), a seal comprising inner (56) and outer members (54) reduces flow through a radial clearance betwe...  
WO/2003/098053A1
A valve system (10) controls the fluid flow between an inlet (12) and an outlet (14). The system (10) splits the flow into two parallel flow ducts (15, 16) and recombines the flows through opposed tangential inlets (18) and (19) of a flu...  
WO2002036999A8
A valve arrangement (10) for reducing the instability of fluid flow in a compressible flow governor valve includes a cutoff plug (12) with a lateral concave surface (14) and an end portion (16) having a substantially circular cross secti...  
WO/2003/093712A1
A valve (2) has a body (4) defining a flow inlet (6), a flow outlet (8) and a valve chamber (10). A compression coil spring (24) is contained within the chamber (10) and its coils (32) divide the inlet (6) from the outlet (8). One end of...  
WO/2003/089816A3
A binary balance seal assembly for use in a balanced pressure valve having a valve housing and a valve plug movable within the housing between an open position and a closed position. The seal assembly comprises an annular primary seal wh...  
WO/2003/089816A2
A binary balance seal assembly for use in a balanced pressure valve having a valve housing and a valve plug movable within the housing between an open position and a closed position. The seal assembly comprises an annular primary seal wh...  
WO/2003/087644A1
A fluid control valve includes a valve body having a fluid passageway (14, 16), a cage (20) mounted in the fluid passageway, the cage including a wall (30) defining a cage bore (32) having an axis (34), and a valve plug assembly (22) inc...  
WO/2003/087643A2
A valve assembly (10) comprises a rotary valve (12) which carries an impedance assembly (14) to attenuate noise.  
WO/2003/083336A1
A noise reduction device 10 for use in a fluid flow system comprises a central section 12 and an outer annular section 14. The outer annular section 14 is designed to reduce the velocity of an annular fluid flow relative to a central cor...  
WO2002037009A9
A butterfly valve noise suppressor (10) is provided for reducing the noise generated by a gas flow passing through an open butterfly valve having a disc (16) pivotally mounted in a valve housing (12) for rotation about a transverse axis ...  
WO/2003/060359A1
A valve having improved inherent flow characteristics, improved noise characteristics, and improved dynamic torque characteristics is provided. The valve includes a disk (10) for controlling fluid flow inside a valve. The disk (10) has a...  
WO/2003/060363A1
A mobile tank car or like vehicle (70) includes a mechanical hydraulic dampening device (30) having kinetic energy dissipating baffles in its interior with no moving parts. The moving tank car carrying a liquid load, such as for example ...  
WO/2003/056404A1
The invention relates to an electromagnetic valve (10), in particular for automatic gearboxes of motor vehicles. A problem associated with electromagnetic valves (10) is the generation of vibrations, which affect the ease of gear selecti...  
WO/2003/054436A1
A device (RF) for regulating and/or stabilizing the flow of a fluid comprises a single body (20), envisaged for insertion in a pipe for passage of the fluid, in particular the inlet pipe of a solenoid valve (1). According to the inventio...  
WO2003014603A3
The invention relates to a damping nozzle arrangement for hydraulic pressurizing medium in which a nozzle body (11) is placed inside a pressurizing medium channel (12). The nozzle body is provided with an axial boring (22), which starts ...  
WO/2003/031856A1
A flow control device (1) for fluids in which a duct (2) has a predetermined inner port (4a) controlled by a moving shutter member (3) and is provided, on each side of the moving shutter member (3), with a fixed shutter member (18) havin...  
WO/2003/016767A1
A fluid pressure reduction device comprises a plurality of stacked disks (32) having a perimeter (36) and a hollow center (34) aligned along a longitudinal axis (29). Each disk (32) has at least one flow path (38) extending between the h...  

Matches 251 - 300 out of 5,271