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WO/2004/020925A1 |
Valve (50) and valve lift system (52) suitable for use in a regenerative thermal oxidizer (10), and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear....
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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/2003/036101A1 |
The invention relates to a slide valve (1) comprising a valve slide (4) that is guided inside a bush (5) in an axially displaceable manner. The valve slide (4) enables the flow of pressure medium from a pressure connection (P) to at leas...
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WO/2003/023263A1 |
A reducing valve (10) for compressed gas bottles comprises a valve mechanism (16, 17, 18, 28, 38) for compressed gas bottles which is disposed between a high pressure connection (13) and a low pressure output (15), whereby an opening (38...
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WO/2003/014577A1 |
An improved rotary servovalve system employs a rotary magnetic solenoid (33) having an armature that includes at least one permanent magnet. The armature is coupled to carry a movable valve element (7) in angular rotation therewith so th...
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WO/2002/093048A1 |
A control valve (1) for controlling liquid flow in a pipeline (2). The valve (1) comprise, a valve housing (3), which by a passage (7) is divided in a first and second section (5;6). The valve comprises a pressure chamber (10), which is ...
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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/2002/077545A1 |
A high and low pressure gas selector valve of a refrigerator, comprising a housing having a generally cylindrical inner peripheral surface, a housing flow passages having a high pressure gas flow passage and a low pressure gas flow passa...
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WO/2002/064263A1 |
The invention relates to a valve to be used in a washing gun where said valve is provided with an inlet for the washing fluid and an outlet to be connected to a nozzle, and a trigger mechanism for controlling the flow of fluid through th...
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WO/2002/061315A1 |
A combined alarm and test and drain valve (1) for a fire sprinkler system has specific modifications for draining the system and allowing for flow through a specifically sized orifice under conditions simulating the flow through a sprink...
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WO/2002/021032A1 |
The invention relates to a directional-control valve (1) comprising a connection (A) on the front face thereof and at least one radial connection (B). The front faces of the valve body (16) (valve sleeve or seat body) of the directional-...
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WO/2001/090622A1 |
An electromagnetic valve device to be used for controlling a fluid flow, comprising valve housing (1) with a through fluid flow passage, partly for connection to a housing (7) for the electromagnet (5, 6), the valve housing (1) being pro...
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WO/2001/029460A1 |
A direct-acting shear seal type valve where the contact force between seat (4) and slide (12) is transferred to the relieving means (5) previously to and during a new positioning of the slide. In this way, the frictional power generated ...
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WO/2001/007356A1 |
The invention relates to a dispensing system for petrol-pumps, comprising a pump, a dispensing valve in a petrol hose nozzle and an electromagnetic valve (10). Said system is characterised in that the electromagnetic valve (10) has a dir...
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WO/2001/001027A1 |
The valve is provided at its stopper (3) with a pin (4) combined to a spindle (5) which are coaxial and prevented to move in this direction but capable of rotating freely one with respect to the other so that, by means of the spindle (5)...
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WO/2000/063596A1 |
The flexible sealing seat (6) is essentially comprised of circular ring-shaped metallic membranes (9, 10) having approximately identical surfaces. The metallic membranes (9) and (10) are joined to one another on their outside diameter by...
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WO/2000/059763A1 |
An anti-blocking braking system for a land vehicle, comprising a pump (42) which actuates a wheel brake (37), whereby said pump removes brake fluid from a brake pressure sensor unit (31) and supplies it to the wheel brake (37). A first v...
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WO/2000/056586A1 |
The invention relates to an anti-locking braking system which is especially embodied for traction control systems and for controlling the dynamics of a vehicle movement. A pump (42) for actuating a wheel brake (37) extracts brake fluid f...
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WO/2000/011385A1 |
The invention relates to a valve slide (10) which is especially used in directional valves for controlling pressure medium connections between pressure chambers. Said valve slide (10) is designed as a one-piece component part having seal...
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WO/1999/014519A1 |
A valve assembly for controlling the flow of a fluid between a plurality of ports including at least one high pressure port (HPC), one low pressure port (LPC), includes a base (10), a valve member (20) including a face formed with a low ...
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WO/1999/008031A1 |
The aim of the invention is to increase the closing force of a control valve with little actuation force. Said control valve has a valve element (4) located in a valve body (2). In the closed position, said valve element rests on a valve...
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WO/1998/046919A1 |
The invention relates to an electrovalve with two hydraulic connections (3, 4), a coil (5) and a guided core (8) in a cylinder (7) of the coil body (6). When the core (8) is moved by magnetizing the coil (5), the electrovalve (1) is open...
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WO/1998/046916A2 |
The invention relates to a direct action, pressure-relieved straight valve (1) with a hollow, displaceable sealing tube (19) comprising a valve seat (20) and a valve body (49) with a valve seat seal (21). A drive unit (7) is located outs...
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WO/1998/044300A1 |
The invention relates to a differential valve, specially a cabin air discharge valve in the cabin pressure regulation system of an aircraft, particularly an airplane. The differential valve has a smaller first step (20) and a larger seco...
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WO/1998/043008A1 |
A valve body (15) is formed of two half sections (16, 18) which are secured together to define a drain line passage (12) and to confine therebetween a thin gate valve (45) between a lower open position and an upper closed position. Actua...
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WO/1998/030820A1 |
Valve cartridge (10) includes a housing (32) having inlet member (54), outlet member (52) and screw thread (34). Cavity (36) extends axially through housing (32) within which is a piston (38) which moves axially against piston seal (44) ...
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WO/1998/027379A1 |
A valve assembly comprises a valve seat having a flow passage (102), and closure means (107) which is movable by an operating member (111) into and out of engagement with the valve seat to close and open the flow passage (102). The valve...
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WO/1998/005907A1 |
At the first turning position of a main valve spool (8), one of two through-holes communicates with a low pressure outlet by a communicating trench (21) and the other through-hole communicates with a high pressure inlet by a guide trench...
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WO/1997/026476A1 |
The invention concerns a valve having a means (2) for blocking a valve interior (3), the blocking means (2) being adjustable by means of a piston (6) guided in a first cylinder (5), and the piston (6) forming a first chamber (9) and a se...
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WO/1997/005412A1 |
A lockout valve (10) comprises a body (12) with an inlet passage (26) and an outlet passage (28) which define a longitudinally-extending flow path through the body. A flow interrupter device (14), or slide, is mounted for transverse move...
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WO/1996/031719A1 |
Disclosed is a regulation disc valve with a discharging device comprising the following members: a body (1) with a detachable fixed seat (2) comprising peripheral passage apertures (3) and a central channel (13); a rotary disc valve (4) ...
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WO/1996/025615A1 |
The valve contains a first pressure chamber (2), an outlet chamber (6), a valve body (8) co-operating with a first valve seat (12), and a second pressure chamber (13) delimited by the valve body. The valve body (8) contains a control pis...
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WO/1996/023156A1 |
A fail-open three-way solenoid actuated valve (210) includes an inlet (214), and first (216) and second (217) outlets, a first valve seat (230) and a second valve seat (225). A valve stem includes a retainer (226) secured to the stem whi...
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WO/1996/022484A1 |
Upstream fluid pressure is applied directly to the trunnions (35) of a high pressure ball valve to lift the obturator (36) off its seat (32) when the obturator (36) is to be turned. The obturator (36) is mounted in a split sleeve (20) wh...
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WO/1996/015926A1 |
The invention concerns a valve arrangement (2, 2a, 2b, 2c, 2d) having a housing (3), a main valve (4), an auxiliary valve (7), an armature (18, 18a, 18b, 18c) for the auxiliary valve (7), and an electromagnet (12). With previous valve ar...
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WO/1996/005459A1 |
A tapered plug valve having a plug (11; 24; 40; 50; 70) provided with a separate drive shaft (84; 71) and formed with a channel (17) not connected to the plug (12) but connecting the ends (20; 15) thereof to enable pressure equalisation....
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WO/1995/030103A1 |
A solenoid valve for use in controlling the flow of pneumatic fluid under pressure between a pair of flow ports defined by a housing. The flow of fluid is controlled by a spool disposed within a bore and is movable between first and seco...
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WO/1995/009674A1 |
A gas regulating valve, especially for use in breathing valves for diver masks and the like. The valve comprises a sleeve-shaped housing (1) having an inlet chamber (I) and an outlet chamber (II), a main valve body (2) cooperating with a...
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WO/1995/006835A1 |
A normally open solenoid (140) actuated valve (110) includes a valve body (112) having a valve seat (130). The valve is biased open by a compression spring (152). The valve includes a double seal assembly which includes a rod (162) secur...
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WO/1994/016580A1 |
A blow-off cock (5; 50) for a steam vessel (1), comprising a housing (9; 51) having a supply opening and a blow-off opening, the supply opening being closable by means of a valve member (15) comprising a valve disc (16), a piston member ...
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WO/1994/012792A1 |
A process and device are disclosed for reducing the gap between a static part (2) and a movable part (1). A gas compatible with the working media of the installation is at first and temporarily introduced into the area of the gap, where ...
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WO/1994/001709A1 |
A fluid pressure balanced valve is used in directing fluid from a supply passage (11) to an outlet. A ball valve (1) has a sealing portion (20) cooperating with a seat (3). Balancing elements (8, 14) impose on ball valve (1) equal and op...
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WO/1993/025797A1 |
A blowout preventer comprises means for allowing the pressure above and below its rams to equalize before the rams are opened. At least one of the rams has a bypass passageway (30) therethrough disposed so as to allow communication betwe...
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WO/1992/014085A1 |
Disclosed is a pressure-compensated cartridge valve with a housing (1, 2) in which a spindle (10) is mounted axially, one end of the spindle having a poppet (12) whose obturating surface (13) lies against a circular shoulder (15) on the ...
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WO/1992/008918A1 |
A valve for a two-way or multiple-way flow regulation is provided with a valve spindle (9), mounted in a valve housing (5), on which spindle a first valve body (22) is mounted and designed to regulate large flows in relation to a valve s...
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WO/1991/000972A1 |
A cone valve with pressure equalization has an auxiliary channel, which is narrower than the main valve channel and is openable prior to opening of the main channel for providing pressure equalization before such opening. The cone valve ...
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WO/1990/014537A1 |
A check valve comprises a housing (1) on which at least two connecting sleeves (2, 3) are provided, at least one valve seat (4) arranged in one of the connecting sleeves (3), and a valve body (6) which co-operates with the valve seat and...
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WO/1990/008284A1 |
A quick-coupling between a male part (90) and a female part (92) has provided in the cylindrical end-part (134) of the male part an axially displaceable piston body (106) provided with sealing ring (108), and a sealing sleeve (134) which...
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WO/1990/005262A1 |
A constant regulating valve with pressure compensation has an axially movable spindle (2) to adjust valve apertures between at least one valve inlet (3), a valve chamber (6), a pressure chamber (6A) and at least one valve outlet (4). The...
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WO/1989/012773A1 |
A pair of opposed valve members defines a radial flow path therebetween which extends from the outer radial peripheries of each valve member to an axial bore formed in one of the valve members. The other valve member is mounted on a stem...
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