Patents for G05D 16 - Control of fluid pressure (11,321)
07/2002
07/31/2002EP1226478A2 Valve, especially a pressure control valve
07/31/2002EP1177132A4 Volumetric vacuum control
07/31/2002EP0864076B1 Improved fluid pressure measuring system for control valves
07/25/2002WO2002057861A1 Self-centering magnet assembly for use in a linear travel measurement device
07/25/2002US20020099488 Solenoid valve control and method of controlling a solenoid valve
07/25/2002US20020096219 Utility conservation control methodology within a fluid pumping system
07/25/2002US20020096216 Gas pressure regulator
07/25/2002US20020096215 Pressure reducing valve
07/25/2002DE10102992A1 Pressure regulator for motor vehicle fuel supply, has return channel with reduced diameter in the area around the connection of discharge channel to annular area to reduce noise
07/25/2002DE10048061C1 Fluid pressure regulating valve e.g. for automobile automatic transmission has discharge line coupled to pressure regulating line providing leakage flow for oscillation damping
07/18/2002WO2001092438A3 Pressure controller for a coke box
07/18/2002US20020094306 Gas recirculating system is blown into the sealed vacuum chamber so gas flow is in a predetermined direction along the processing portion; for semiconductor manufacture (X-ray exposure)
07/18/2002US20020092565 Fuel pressure regulating valve
07/18/2002US20020092564 Flow control of process gas in semiconductor manufacturing
07/17/2002EP1223492A2 Pressure controlling device for gases
07/17/2002EP1181630A4 Pressure regulator
07/17/2002CN1359481A Constant gas flow regulating device
07/16/2002US6419455 System for regulating pressure in a vacuum chamber, vacuum pumping unit equipped with same
07/16/2002US6418967 Pressure regulating valve
07/16/2002US6418956 Pressure controller
07/11/2002US20020091467 Air mattress control system and method
07/04/2002US20020083985 Solenoid valve, in particular, a pressure control valve
07/04/2002US20020083980 Gas pressure-reducing valve
07/04/2002US20020083932 Vehicle gaseous fuel supply system
07/04/2002DE10156440A1 Verfahren und Vorrichtung zur Bestimmung eines Ventilzustandes Method and apparatus for determining a state of valve
07/04/2002DE10063273A1 Überdruckerzeugungsvorrichtung und Ventil Increased pressure-producing device and valve
07/04/2002DE10062789A1 Membrane pressure regulator has non-metallic surfaces in areas contacted by gases, and metal parts arranged in plastic base body are plastic coated
07/03/2002EP1218810A1 Water distribution pressure control method and apparatus
07/02/2002CA2251812C Proportional solenoid-controlled fluid valve assembly
06/2002
06/27/2002WO2002050622A1 Positive pressure generation device and valve
06/27/2002WO2002050458A1 Leak-proof valve with self-controlling shutting force
06/27/2002US20020078996 Pressure responsive oil flow regulating supply valve
06/27/2002US20020078993 Valve with wider opening and pressure regulator equipped with such a valve
06/26/2002EP1217489A1 Fluid pressure reducing system with splitable modules
06/25/2002US6408883 Electromagnetic valve
06/25/2002US6408623 Simplified hydraulic control device for a clutch, especially for an automobile
06/20/2002WO2002048813A2 Improved pressure controller and method
06/20/2002DE10063153A1 Pressure relief valve for excavator has slide which moves against force of spring whose opposite end rests against transmission piston with chamber pressurised by fluid from inlet to move piston and increase compression of spring
06/20/2002DE10046736A1 Druckregler Pressure regulator
06/19/2002EP1214523A1 Addressable valve arrays for proportional pressure or flow control
06/18/2002US6408254 Procedure and device for calibrating the gas pressure in a process vacuum chamber (receiver)
06/18/2002US6406276 Constant-pressure fluid supply system with multiple fluid capability
06/18/2002US6406273 Pressure fluctuation dampening system
06/13/2002WO2002046624A2 Method for operating a control device for a hydraulic system
06/13/2002US20020069916 Method and apparatus for determining a valve status
06/12/2002EP1212667A1 Method and device for providing a working pressure in a fluid
06/06/2002WO2002044825A1 Combined pressure regulator and shut-off valve
06/06/2002WO2002044824A2 Expansion valve assembly for fluid having pre-adjusted and non-user-modifiable fixed pressure
06/06/2002WO2001098692A3 Intrinsically safe microprocessor controlled pressure regulator
06/06/2002US20020066485 Direct-acting pressure regulator
06/06/2002DE10144641A1 Entspannungsventil Expansion valve
06/06/2002DE10060285A1 Verfahren zum Betrieb einer Regelanordnung für ein hydraulisches System Method for operating a regulating arrangement for a hydraulic system
06/06/2002DE10057944A1 Constant pressure valve has pneumatic drive which controls movement of valve cone and is adjusted to apply constant force to valve stem, so that fluctuations in pressure on upstream side of valve are compensated for
06/06/2002CA2429148A1 Expansion valve assembly for fluid having pre-adjusted and non-user-modifiable fixed pressure
06/04/2002US6397891 Hydraulic valve, in particular, adjustable pressure control valve
06/04/2002US6397875 Pressure regulating method
05/2002
05/29/2002EP1209408A2 Valve device for bottles of liquefied gas
05/29/2002EP1209327A2 Hydraulically damped low friction solenoid operated valve
05/29/2002DE10056235A1 Operating method for mattress with individually inflated chambers e.g.for preventing bed sores, controls pressure in each chamber suing given pressure profile
05/28/2002US6394361 Device for automatically balancing a liquid-based heat-transfer system
05/28/2002US6393729 Method, control paradigm and means for monitoring and controlling the process variables of a process gas flowing through a dryer hood used in a drying process
05/28/2002CA2115855C Draft inducer air flow controller
05/23/2002DE10154680A1 Druckregler für ein Kraftstoffsystem Pressure regulator for a fuel system
05/22/2002CN1350625A Fluid pressure reduction device with tortuous paths
05/22/2002CN1085159C Fluid pressure supply system
05/21/2002CA2264452C Gas pressure regulator having burn-out protection system
05/16/2002WO2002038994A1 Pressure releif valve actuated by pilot valve
05/16/2002WO2002001308A3 Hydraulically controlled pressure relief valve for high-pressure reactors
05/16/2002WO2001086283A3 Apparatus and method for multiple channel high throughput purification
05/16/2002US20020056477 Fluid pressure reduction system comprising disconnectable modules
05/16/2002DE10049091A1 Throttle valve has rotating control component with central flow channel which has control bore connecting it to outer surface of component, which can be rotated to connect bore with throttle channels of different cross-section around it
05/15/2002EP1204823A1 Electrohydraulic monitoring device for a dual effect hydraulic cylinder
05/15/2002EP1173802A4 Pressure regulator with selector control
05/14/2002US6386509 Back pressure control valve
05/14/2002US6386227 Non-flowing pilot valve
05/14/2002US6386220 Solenoid operated pressure control valve
05/14/2002US6386218 Solenoid operated valve assembly for variable bleed pressure proportional control
05/10/2002WO2002037199A2 Method and apparatus for a flow regulator having an integral hinge
05/10/2002WO2002006911A3 Proportional pressure adjustment valve
05/09/2002US20020055075 Lantern with improved choke and regulator
05/09/2002US20020054194 Fluid accumulator for ink-jet print heads
05/09/2002US20020053652 Extended range proportional valve
05/09/2002US20020053362 Pressure regulating valve
05/08/2002EP1204011A2 Valve assembly to be mounted in the water supply pipe of a water dispensing fitting
05/08/2002DE10052794A1 Drucksteuerung und Verfahren zum programmgesteuerten Ansteuern eines Druckstellglieds Pressure control and method for programmatically controlling a pressure actuator
05/08/2002DE10049680A1 Ventilbaugruppe zur Anordnung in der Wasserzuführungsleitung einer Wasserablaufarmatur Valve assembly for placement in the water supply line of a water drain valve
05/08/2002CN1084212C Automatic distributing gas regulating valve
05/07/2002US6382248 Self-diagnosing pressure regulator apparatus
05/07/2002US6382243 Pressure-reducing valve
05/07/2002US6382242 Manifold and regulator apparatus
05/07/2002US6382183 Fuel system pressure regulator
05/02/2002WO2002035485A2 Pressure control device and method for program-controlled actuation of a pressure-regulating mechanism
05/02/2002US20020050292 Pressure-regulating piston with built-in relief valve
05/02/2002EP1200886A1 Pressure control device for a pipeline
05/02/2002EP1200322A1 Pressurized package comprising a pressure control device
05/02/2002DE10053606A1 Solenoid valve control unit has devices for determination of valve control time from valve opening time and specified pressure across valve.
04/2002
04/30/2002US6378557 Pressure regulation valve
04/30/2002US6378551 Lantern with improved choke and regulator
04/30/2002US6378500 Pressure regulating valve for a feeding module
04/25/2002WO2002005046A3 Extended range proportional flow valve method
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