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Patent Searching and Data


Matches 301 - 350 out of 5,209

Document Document Title
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...  
WO/2000/073685A1
A valve (1) comprises a valve housing (2) with inlet (3) and outlet (4) preferably arranged directly opposite one another on opposite sides of the housing (2). In the valve housing (2) there is, between the inlet (3) and the outlet (4), ...  
WO/2000/071919A1
A system and method for controlling fluid according to which an inlet passage (16) and an outlet passage (14) are formed in a housing (12) and a choke member (40) controls flow between the inlet passage and the outlet passage. The moveme...  
WO/2000/070253A1
A fluid pressure reduction device with tortuous flow paths in stacked disks. The fluid flow outlets are maintained independent by directed flow paths to avoid flow collisions in the exiting flow streams. A flow straightening section incl...  
WO/2000/068038A1
A system including a discharge conduit (41) defining a flow passage for establishing fluid communication with liquid from a container. A resilient valve (80) is provided to extend across the discharge flow passage (52). The valve (80) de...  
WO/2000/061975A1
A high differential pressure regulating valve which regulates a fluid amount by sliding a valve disc in a cage body having a plurality of communication holes so as to open and close the communication holes, wherein the plurality of commu...  
WO/2000/057091A1
A multi-plate, anti-cavitation fluid pressure reduction device includes a stack (50) of annular plates (52) having a hollow center (58), a fluid inlet at an inner perimeter (60) thereof and a fluid outlet at an outer perimeter thereof. S...  
WO/2000/051923A1
The invention relates to a ball valve for controlling throughput on pulverulent or granulated products. The invention consists of a ball valve (1) comprising a series of peripheral slits (8), whereby the number of said slits is sufficien...  
WO/2000/047924A1
An anti-pressure surge device mounted in or on a closure member (1) of a check valve to eliminate overpressure and reduce shock waves in a pipeline when the check valve closes. The anti-pressure surge device comprises a fast acting flow ...  
WO2000012895A9
A system for decelerating a linearly displaceable valve undergoing a closing motion is disclosed. The system includes a housing, a first hydraulic fluid chamber (312) provided in said housing, and a slave piston (320) for displacing the ...  
WO/2000/043641A1
A steam valve (10) for a steam turbine includes a control valve head (18) having a recess (40) and a stop valve head (20) disposed within the recess (40) of the control valve head (18), both heads having sealing surfaces in opposition to...  
WO2000012895A3
A system for decelerating a linearly displaceable valve undergoing a closing motion is disclosed. The system includes a housing, a first hydraulic fluid chamber (312) provided in said housing, and a slave piston (320) for displacing the ...  
WO/2000/029771A1
A valve, especially a regulating valve, has a throttle point (8), the throttle point (8) being formed by a valve seat (2) and a closure element (3) movable along an axis, and the throttle point (8) being arranged between an axial inflow ...  
WO2000009917A3
A pressure reduction valve for a compressible fluid has an inlet (2) and outlet (3) separated by a pressure reduction member (4) having a plurality of convergent-divergent nozzles. High pressure gas or vapour passes from the valve inlet ...  
WO2000004426A3
Disclosed is a fluid flowing control device of a valve having fluid flowing paths which are made in more sophisticated configuration and by controlling the velocity of the fluid by the maximal use of available volume thereof, to thereby ...  
WO/2000/015991A1
A toilet fill valve (30a) having a housing (34a) with an upstream portion (38a) and a downstream portion (50a). A pressure regulator (92a) vertically oriented in the downstream portion with a spiral configuration for providing a signific...  
WO/2000/012895A2
A system for decelerating a linearly displaceable valve undergoing a closing motion is disclosed. The system includes a housing, a first hydraulic fluid chamber (312) provided in said housing, and a slave piston (320) for displacing the ...  
WO/2000/009923A1
A fluid pressure reduction valve comprises an inlet (2) for high pressure fluid and an outlet (3) for low pressure fluid. The inlet and outlet are separated by a pressure reduction member (4) that comprises a plurality of concentric spac...  
WO/2000/009917A2
A pressure reduction valve for a compressible fluid has an inlet (2) and outlet (3) separated by a pressure reduction member (4) having a plurality of convergent-divergent nozzles. High pressure gas or vapour passes from the valve inlet ...  
WO/2000/004426A2
Disclosed is a fluid flowing control device of a valve having fluid flowing paths which are made in more sophisticated configuration and by controlling the velocity of the fluid by the maximal use of available volume thereof, to thereby ...  
WO1997037102A3
Several downhole flow control devices are disclosed which are meterable and are also capable of shutting off a particular zone in a well. Several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of rel...  
WO/2000/001970A1
The anti-hammer and noise reducing control valve comprises a housing (1) which has an inlet (2) and an outlet (3). Threaded section (4) allows the body to be installed onto the outlet of a tap. Threaded section (5) allows the further wat...  
WO/1999/061830A1
Flow restriction insert (10) has a first sealing means (11) to sealingly engage with a valve seat in a tap, an internal chamber (13), an inlet (14) to allow fluid to flow into the chamber (13), an outlet (17) to allow fluid in the chambe...  
WO/1999/049252A1
A jumper valve for a water tap has a fluid shock absorbing portion which is part of the valve and which sits over the valve seat bore. The valve has a frusto-conical, hollow boss extending into the valve seat bore to act as a flow contro...  
WO/1999/039122A1
A fluid pressure reduction device with stacked disks (32, 34). Flow disks (32) with inlet stage slots (40) and outlet stage slots (42) alternate with plenum disks (34) having plenums (44) and bypass slots (54). The bypass slots are align...  
WO/1999/031968A1
The invention refers to a device (8) which is arranged to permit an air flow from an environment to an inner space (3) of a member (1). The device (8) comprises a passage through a wall section (2a) of said member (1). The wall section (...  
WO/1999/031415A1
A noise attenuating device for reducing the noise generated by a gas flow passing through an open butterfly valve having a disc (18) pivotally mounted in a valve housing (12) for rotation about a transversal axis between an open and a cl...  
WO/1999/022282A1
A thermostatic radiator valve comprises a valve body (1) having a valve seat (5) disposed between input and output connections (2 and 3) to the valve, a valve closure member (6) adjustably disposed adjacent the valve seat (5) for control...  
WO/1999/002903A1
A valve furnished with a closing element (1) moving axially in the bushing bore (3), where the flow entering the valve is directed towards the lower face of a closing element (1) and where there is for the outflow a port (4) in the face ...  
WO/1998/058200A1
A valve arrangement (1) for the delivery of fluids (F) consists essentially of a valve housing (2) and a closing element (3) movably arranged in the valve housing (2). The fluid is fed through a lateral inlet opening (4) into the inside ...  
WO/1998/051951A1
A valve includes a fluid inlet passageway coupled to a fluid outlet passageway through an orifice and a valve plug that is moveable with respect to the orifice to vary the rate of fluid flow through the orifice. A seat ring (65) is dispo...  
WO/1998/047606A1
The invention relates to a homogenizer valve (1) which comprises a pressurized, movable valve cone (5), a valve seat (6) and a valve housing (2) which surrounds the cone (5) and the seat (6). The valve cone (5) and the valve seat (6) are...  
WO/1998/039587A1
A damper apparatus (12) which includes an expandable, rigid frame (30, 32) mounted on an elongated rod (14) and a sheet material flexible cover (34) is collapsible to be installed through a hole (36) in a duct (10), and thereafter expand...  
WO/1998/034057A1
A fluid pressure reduction device with low noise generation. A stack of annular disks (30a, b, c, d) with fluid passageways formed of inlet slots (36), outlet slots (38), and interconnecting plenums (40). Selectively stacking and orienti...  
WO/1998/031957A1
An internal diffuser (30) on a diffuser stem (34) is disposed in a bore of a rotary control valve (24) for attenuating vibration in gas service or cavitation in liquid service.  
WO/1998/025807A1
The invention relates to a damper valve configuration (15) which can be combined with a servomotor (4) of a hydraulic power-assisted steering to a steering damper. To compensate temperature-dependent changes in the viscosity of the hydra...  

Matches 301 - 350 out of 5,209