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Patent Searching and Data


Matches 301 - 350 out of 5,345

Document Document Title
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/2003/089816A2
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/2003/089816A3
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/2003/087644A1
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...  
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...  
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 ...  
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...  
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...  
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...  
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).  
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...  
WO2002037009A3
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/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...  
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...  
WO2002036999A3
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...  
WO2002001096A3
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...  
WO/2002/037009A2
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/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...  
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...  
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 ...  
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...  
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...  
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...  
WO1996030689A3
The subject of the invention is multipart water restrictor, which is inserted into the oppressed part of a new or already existent water armature and it restricts the flow of water and at the same time does not allow the hard parts to en...  
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...  
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...  
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...  
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...  
WO/2001/069114A1
A fluid energy reduction device especially for a flow control valve has a fluid inlet (11) and a fluid outlet (12) separated by a plurality of stacked plates (13) in the form of a trim stack. Each plate (15) of the stack has a plurality ...  
WO/2001/055627A1
The invention relates to a valve, in particular a pressure reducing valve, comprising a housing (1), which has a cylindrical chamber (11), for a rotor (2), with an inlet line (12), for a pressurised medium and an outlet line (13), for th...  
WO/2001/051843A1
Flow enhancing restrictors (50') are located within a fluid conduit to provide pressure reduction and flow enhancement. The restrictors may be used in combination with a conventional choke valve or as a stand-alone pressure reduction mea...  
WO/2001/031242A1
The flow resistance device (7) for controlling flow rate and reducing fluid pressure causes the fluid of extremely high pressure to have the flow rate and pressure reduced to a desired level. The flow resistance device (7) consists of a ...  
WO/2001/011277A1
A surge prevention valve (20) may be used to prevent the formation of an initial surge of high pressure.  
WO/2001/009537A1
A valve device, wherein a pilot flow amplifying type poppet valve (42) is fitted slidably into a valve housing (40), a damping pressure chamber (61) having a volume varying according to the displacement of the poppet valve (42) is provid...  
WO/2001/007807A1
A valve (10) for a fluid tank, comprising a housing formed with one or more inlet (28) and outlet (20) ports, side walls and a seating wall (14) portion supporting a float-type valve member. The valve member is axially displaceable withi...  

Matches 301 - 350 out of 5,345