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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...
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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)...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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).
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2003/087643A2 |
A valve assembly (10) comprises a rotary valve (12) which carries an impedance assembly (14) to attenuate noise.
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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WO/2003/014606A1 |
Closure elements (10) are used to control the flow of a pressure medium through a fluidic valve. The closure element (10) is mounted in a bore (11) of the valve in such a way that it can be displaced axially. It comprises a sealing secti...
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WO/2003/014603A2 |
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 ...
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WO/2002/101272A1 |
A plate (9, 10) made of hard material, having at least one flat surface machined by means of lapping and intended to be used as a member to control the flow in a hydraulic equipment unit, that consists of a thermosetting synthetic polyme...
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WO/2002/097314A1 |
A valve apparatus 840) controlling flow between a high pressure zone (42 or 43) and a low pressure zone (43 or 42), depending on whether the valve is used for discharge or filing, respectively, comprises a hollow body having a threaded h...
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WO/2002/090806A1 |
A fluid control valve includes a valve body having a fluid passageway, a cage mounted in the fluid passageway and a valve plug assembly including a valve plug. The cage has a cage bore and defines one or more windows, a valve seat locate...
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WO/2002/077376A1 |
A flush valve assembly (18) is adapted to be mounted in a tank (14) of a toilet (10) and includes a selector assembly (36) and a flush valve (30).
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WO/2002/066875A1 |
A fluid pressure reduction device (10) for use with a fluid valve control member movable through the device. The pressure reduction device is formed of a plurality of stacked disks (30) having an outer perimeter and an inner perimeter de...
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WO/2002/061310A1 |
The invention concerns a one-quarter turn valve, wherein are provided means (8 to 11) designed to apply to the closure member a resisting torque only when it has reached an angular position of at least 80° under the action of means desi...
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WO/2002/061280A1 |
A variable displacement type swash plate clutch-less compressor comprising: a shaft (5) borne rotatably in a housing; a swash plate (10) mounted in an inclinable manner on the shaft (5) so that it rotates integrally with the shaft (5); a...
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WO/2002/036999A2 |
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...
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WO/2002/029255A1 |
The invention relates to a fluid-activated adjustment and manoeuvre device, especially one working as a valve for a pressurised medium, including a space arranged in a housing (1) in which is arranged an axially displaceable, moveable pi...
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WO/2002/012766A1 |
A valve device which ensures reliable opening/closing control of pipeline and a stabilized operation such that even when valve opening/closing operation is quickly effected, water hammering, chattering, hunting or the like hardly occurs ...
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WO/2002/001096A2 |
Flow in a forward direction through a check valve (202) is detected by a signaling device in parallel with the check valve and sensing the pressure differential across the check valve. The signaling device outputs an electrical signal th...
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WO/2001/098694A1 |
A throttling and reducing valve comprises a valve seat like a conical tube and a valve element with a plurality of steps. Every step corresponds to a grade of pressure reduction. The throttling area of each grade is formed of a clearance...
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WO/2001/098592A1 |
The invention relates to a filler fitting comprising a valve housing (4) with a water conduit (14), which leads from an inlet (2) that is to be connected to a water supply conduit to a diaphragm valve (26) controlled by a float. A diaphr...
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WO/2001/094824A1 |
An orifice-built-in valve capable of implementing an excellent flow rate control characteristics by reducing the production costs of an orifice-built-in valve used for a gas supply device or the like provided with a pressure-type flow co...
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WO/2001/084029A1 |
A fluid flow control device (10) has a stack of annular discs (15) defining a central passageway (14) and a plug (16) reciprocable in the passageway for controlling fluid flow. Adjacent discs (15) in the stack have at least one fluid pas...
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WO/2001/079742A1 |
This invention provides a gas wave pressure regulation method and apparatus (Figure 1), gaseous wave regulator (GWPR) associated with a pressure energy recovery system which may be used in the processes of petrochemical and liquid natura...
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WO/2001/079734A1 |
A taper nut retention device mechanically fastens a plurality of pressure reduction disks (30). A cage end member (32) at one end of the stacked disks has a series of counterbores, each aligned with respective mounting holes in each disk...
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