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WO/2000/023180 |
The invention relates to a valve device (14) for low-viscosity to high-viscosity fluids, especially for fluid plastic material constituents (12) of single or multiple constituent plastic mixtures. The inventive valve device comprises a v...
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WO/2000/020829 |
Disclosed is a fluid supply apparatus (20) having an inlet (22), an outlet (23), a fluid pressure regulator (21) having a pressure chamber (26) arranged following the inlet (22), a fluid flow meter (35) between the regulator (2) and the ...
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WO/2000/017723 |
The invention relates to a device for controlling pressure level, comprising a housing (10) and a switch unit (12) formed on the housing (10) and projecting into the interior of said housing, in addition to a first membrane (14) separati...
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WO/2000/015990 |
A bellows type pressure responding valve having a sealed bellows (66) as a pressure sensing element and adapted to change a valve opening by transmitting the expansion/contraction of the bellows (66) to a valve disc (61) via a valve stem...
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WO/2000/016177 |
A pressure regulating valve adapted to be interposed between a pressurized liquid supply whose pressure varies and a spray nozzle or other liquid applicator from which the liquid is discharged. The valve, actuated only when the pressure ...
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WO/2000/013858 |
A method for controlling the motion of a pneumatic actuator (3), comprising at least one elongated cylinder (6) provided with a piston (4), dividing the cylinder (6) into a first chamber (5a) and a second chamber (5b), an actuating press...
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WO/2000/014614 |
A pressure regulator apparatus is provided which includes a regulator body having an inlet, an outlet and a passage communicating there between. The pressure regulator apparatus includes a valve disposed within the passage having a valve...
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WO/2000/011530 |
The present invention provides adjustable control valves (10) for controlling flow from a fluid supply. The valves (10) of the present invention can accurately regulate a wide range of flow rates and require a relatively small amount of ...
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WO/2000/009939 |
The invention concerns a device wherein the regulator valve body (20) is integral with an axial appendage (20b) generally cylindrical in shape capable of being engaged in the intermediate chamber (14) and of being screwed in the threaded...
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WO/2000/008376 |
A poultry drinker system (10) includes a number of drinker lines (12) each supplied from a common high pressure water supply (16) through a water pressure regulator (20). Each regulator (20) includes a reference spring (76) establishing ...
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WO/2000/006904 |
A pneumatic system consists of an inflatable/deflatable article, for example, a compression garment (21) connected to a pump (20) by connectors (12 and 11), respectively. The connector (12) attached to the garment (21) carries an RFID tr...
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WO/2000/004431 |
A pressure reducing valve assembly (10) includes an elongated tubular body (12), a pressure reducing valve (16) for reducing the fluid pressure discharged from the valve assembly, a pressure relief valve (18) for permitting fluid to disc...
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WO/2000/003982 |
There is provided a process for the cyclisation of 4-amino-2-halobutyric acid to azetidine-2-carboxylic acid wherein more than 20 g of 4 amino-2-halobutyric acid is cyclised per litre of reaction mixture.
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WO/2000/002109 |
The invention relates to a pressure control valve (1) comprising a control piston (3) which is able to slide in a valve hole (4). Under the effect of an energy accumulator (5) said piston in one direction of displacement connects a pump ...
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WO/1999/064164 |
The invention relates to a prestressed controllable flow-through limiting valve, especially a spraying valve with a valve piston which can move in a valve housing. The valve piston is subjected to the action of the pressure of a control ...
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WO/1999/063412 |
A gas supply equipment comprising a gas control valve (2), an orifice accommodating valve (9) provided downstream of the control valve (2), a pressure detector (3) provided between the control valve (2) and the orifice accommodating valv...
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WO/1999/061798 |
A variable pressure ratio hydraulic transducer comprises a vane type armature which freely rotates within a cam ring. The armature includes a radially extending passage intermediate each pair of vanes, the armature rotates about a portin...
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WO/1999/060266 |
A pressure limitation valve for a fuel injection device for internal combustion engines, comprising a housing (10) with a high pressure connection (11) and a return connection (12), in addition to a pot-shaped axially displaceable piston...
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WO/1999/058856 |
A control system, particularly adaptable to multiple-pump operations in process units, is disclosed. A measured variable, such as pressure, is sensed by a master controller. The master controller, in turn, sends a signal to the driver of...
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WO/1999/054797 |
The invention provides a pilot valve apparatus for use in an automatic liquid control system (10) for maintaining pressure downstream from a main control valve between two set-points according to flow rate through the main control valve ...
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WO/1999/050730 |
A method and apparatus is disclosed for controlling the pressure of a reaction chamber (106) in wafer processing equipment. The disclosed apparatus and method uses a ballast port (150b) for inserting gas into the evacuation system, there...
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WO/1999/046653 |
A valve control apparatus for generating an anticipatory output response for controlling a fluid flow in a fluid flow line (20) includes a valve (12) provided inside the fluid flow line, at least one sensor for providing at least one inp...
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WO/1999/043606 |
A system (Fig. 16) for metering and dispensing component liquids and solids has a microprocessor-based control system and progressive cavity pumps which provide accurate control of component ratios, shot sizes, flow rates and dispense du...
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WO/1999/042750 |
The present invention relates to a control valve designed to control the flow of a pressurised gas based on a comparison between the actual pressure of gas reaching the valve and a reference pressure. Within a housing (1), the control va...
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WO/1999/042912 |
A pneumatic valve (50) and regulator (1), and more particularly to a pneumatic valve and regulator used in a compressed gas powered gun system which is designed to project a fragile liquid-containing spherical unit which bursts upon impa...
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WO/1999/040360 |
A method and apparatus for controlling a fluid distribution regulator disposed in a fluid distribution system in which an intelligne controller (15) is operatively connected to at least one fluid district regulator (12) for controlling t...
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WO/1999/035017 |
The invention relates to a pressure regulating valve, comprising a valve tappet (1) which is guided in a valve housing (3) and which accommodates a pressure spring (4). A valve closing member (10) arranged on the valve tappet (1) and cor...
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WO/1999/034268 |
A valve (10) with a tubular valve housing (11) containing a hydraulic fluid guiding body (13) arranged between the body of the valve (12) with a hollow cone-shaped seat (26) and an area (21) of the valve housing (11) receiving actuating ...
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WO/1999/034157 |
A low cost diaphragm actuated absolute pressure regulator (10). The regulator comprises a housing (11) having first and second sections (11a, 11b) that are secured together. The first section has a cavity (18) and a diaphragm (15) that s...
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WO/1999/031561 |
A method of controlling air pressure in a chamber, wherein the air pressure in a chamber in which laser measurement is conducted is maintained at a set level with respect to the variation of an external air pressure, characterized by com...
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WO/1999/023544 |
A pilot valve (16) for controlling operation of a hydraulically-actuated pressure reducing valve (PRV) (14) includes a housing (46), a first valve member (62) mounted in the housing for movement relative thereto in response to the outlet...
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WO/1999/022167 |
A high pressure regulator is provided with a valve member (42), a seat member (36), and an actuator (54). The axial position of the seat member may be selectively fixed with respect to the body. The valve member is axially movable with r...
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WO/1999/018405 |
Method and device for controlling a process gas (10) during drying of a product in a drying chamber, in which the process gas is brought into contact with the product so that a substance, for instance water, is taken up by the process ga...
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WO/1999/017042 |
A diagnostic test unit for deterministically measuring one or more parameters, such as dead band, dead time, response time, gain, or overshoot, of a process control device that is connected in a process control loop during operation of a...
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WO/1999/015942 |
An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides self-diagnostics and communications capabilites. The e...
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WO/1999/015823 |
A diagnostic device and method for an intelligent pressure regulator which maintains a fluid in a process at a predetermined pressure. The regulator includes an electronic controller which enhances regulator performance and provides self...
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WO/1999/014522 |
A digitally controllable valve (21) has a main valve member (37) mounted on a diaphragm (39) for movement sealing and exposing a main valve seat (35). Pressure in a reservoir above the diaphragm is controlled by two pilot valves (51, 71)...
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WO/1999/008169 |
The invention relates to an electromagnetic pressure control valve (10, 10a) combining the functional properties of a pressure control valve with those of a shift valve. The pressure control valve (10, 10a) can be especially used to cont...
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WO/1999/006253 |
The invention relates to a pressure control device comprising the following: pressure control valves (5) which can close or open pressure control channels in a valve support body (1); a two-part covering unit (3) which is placed on the v...
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WO/1999/005010 |
The invention relates to a valve assembly for controlling the differential pressure and comprising a valve casing (1), a control device (7, 70), a first, a second and a third connections (2, 3, 4), a first sealing seat (11, 110), a secon...
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WO/1999/004325 |
A pressure for a chamber is regulated by controlling either the exhaust pressure at the exhaust side of a first vacuum pump or the internal pressure at a compression stage of the first vacuum pump, where the first vacuum pump is directly...
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WO/1998/055906 |
A hydraulic valve (10) is disclosed including a valve body (12), a pressure inlet port (20), a return port (24), and a regulated pressure port (22). A cavity (14) is formed in the valve body (12), in fluid communication with the various ...
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WO/1998/054462 |
Concerning modulating pressure valves for fuel, the fuel feed system has to be designed in such a way that no leakage can break the fuel flow, the fuel intake cannot be prevented by dirt and the leak tight point can in no way be damaged ...
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WO/1998/053235 |
A proportional pressure control valve which is simplified and reduced in cost and in which a spool is driven by an electromagnet and load pressures are controlled in accordance with an exciting current for the electromagnet. A spring (3)...
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WO/1998/048332 |
The invention relates to a pressure regulating valve comprising a connection for a pressure line (P), a connection for a working pressure line (A), a connection for an outlet line (T) in communication with the ambient pressure, and at le...
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WO/1998/044266 |
The invention relates to a valve device (1), comprising a valve housing with at least one inlet channel (6) and an outlet channel (7), a valve piston (5) which can be moved axially in the valve housing and has control edges (14, 15, 16),...
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WO/1998/043140 |
A regulating system includes an underground pressure regulating module within a cartridge (112) which receives a high pressure gas stream and produces a low pressure output at a regulated pressure. The cartridge includes a main regulator...
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WO/1998/043141 |
An underground pressure regulating module including a slam-shut valve and a pressure regulating valve. The regulating valve includes two diaphragm arrangements (21, 40) to allow a variable pressure output to be obtained. The diaphragm (4...
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WO/1998/036339 |
A self-regulating computerized proportional device controlling a water pump comprises a body (1) connected hydraulically to the delivery line of the pump and an outlet section from which water flows to the system served by the pump. The ...
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WO/1998/036197 |
A pressure compensating valve comprises a valve body (1); a fitting hole (5) having an inlet port (2) and an actuator port (3), a fitting body (6) fitted to the fitting hole; a piston (7) inserted into a hole (10) of the fitting body and...
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