Patents for G05D 16 - Control of fluid pressure (11,321)
11/2003
11/27/2003WO2003015851B1 Pressure transducer protection valve
11/27/2003WO2003010615A3 Pressure regulation by transfer of a calibrated gas volume
11/26/2003EP1364849A2 Pressure limiting device and method of relieving said device
11/25/2003US6652239 Motor controller for a hydraulic pump with electrical regeneration
11/25/2003US6651695 Diaphragm-operated pressure regulating valve
11/25/2003US6651686 Valve actuator system
11/25/2003US6651636 Pressure regulating piston with built-in relief valve
11/20/2003US20030213520 For maintaining a predefined pressure in a reactor with simultaneous measurement of the gas mass flow, comprising at least one buffer container equipped with a pressure gauge and which can be filled with gaseous media via at least one valve
11/19/2003EP1076777B1 Control system for multi-pump operation
11/18/2003US6649019 Apparatus for conditioning the atmosphere in a vacuum chamber
11/18/2003US6647727 Method for controlling a low-pressure bypass system
11/13/2003WO2003093708A1 Pressure control valve
11/13/2003WO2003093681A1 Method and apparatus for performing diagnostics in a control loop of a control valve
11/13/2003WO2003093645A1 Pressure and flow control valve
11/13/2003US20030209322 Methods and apparatus for maintaining a pressure within an environmentally controlled chamber
11/13/2003US20030209272 Pressure reducer for a fluid sampling device
11/13/2003US20030209271 Device for regulating the pressure and/or the flow rate of a gas flow
11/13/2003US20030209266 Device for regulating the flow rate and/or the pressure of a fluid
11/13/2003CA2692577A1 Method and apparatus for performing diagnostics in a control loop of a control valve
11/13/2003CA2692574A1 Method and apparatus for performing diagnostics in a control loop of a control valve
11/12/2003EP1361491A1 Device for regulating the pressure and/or the flow rate of a gas flow
11/12/2003EP1301837B1 Proportional pressure adjustment valve
11/12/2003EP1045785B1 Pressure regulating valve for regulating a hydraulic fluid in anti-slip hydraulic brake systems
11/11/2003US6644092 Automatic calibration of pressure sensors for paint booth airflow control
11/06/2003WO2003091814A1 System, method and apparatus for regulating vacuum supplied to surgical tools
11/06/2003US20030208305 Method and apparatus for performing diagnostics in a control loop of a control valve
11/05/2003EP1359367A2 Apparatus for the controlled supply of a compressible working fluid
11/05/2003EP1357958A2 Apparatus and method for regulating fluid pump pressures
11/05/2003EP1255689B1 A dispensing assembly for automatically adjusting the carbon dioxide level in beer in a draught beer keg
11/04/2003US6641004 Dispensing assembly for automatically adjusting the carbon dioxide level in beer in a draught beer keg
11/04/2003US6640830 Pilot operated pressure valve
11/04/2003US6640696 Device and method for continuous high-pressure treatment
10/2003
10/30/2003US20030204129 System. method and apparatus for regulating vacuum supplied to surgical tools
10/30/2003US20030201414 Extended range proportional valve
10/29/2003CN2583468Y Piston type adjustable pressure regulator
10/29/2003CN2583467Y High pressure gas regulator
10/29/2003CN1452734A Method and device for controlling at least one valve
10/29/2003CN1452587A Dispensing assembly for automatically adjusting carbon dioxide level in beer in draught beer keg
10/29/2003CN1452037A Intelligent suction-stroke-free water supply apparatus connected directly serially to tapping water pipe network
10/29/2003CN1451528A Device for regulating flow and/or pressure of fluid
10/28/2003US6637669 Thermostatic gas valve with a pressure regulator
10/28/2003US6637462 Variable pressure control device
10/28/2003US6637451 Pneumatic pressure regulator assembly
10/23/2003WO2003087969A1 Pressure regulator
10/23/2003US20030198557 Constant pressure pump controller system
10/23/2003US20030196709 Compressed air flow controller
10/23/2003US20030196702 Pressure regulator
10/23/2003US20030196701 Pressure regulator with internal filter
10/23/2003US20030196697 Relief valve
10/22/2003EP1355215A1 System for controlling the flow and/or the pressure of a fluid
10/22/2003EP1354252A1 Self-centering magnet assembly for use in a linear travel measurement device
10/22/2003CN2582037Y Oilless anti-vibration SF6 gas density controller
10/22/2003CN2582036Y System for reducing and stabilizing pressure
10/22/2003CN1450291A Diaphragm-operated pressure regulating valve
10/22/2003CN1125386C Pressure regulating valve for conversion valve fitted at base
10/21/2003US6634381 Solenoid valve device and its manufacturing method
10/21/2003US6634277 Solenoid valve control and method of controlling a solenoid valve
10/16/2003US20030192596 Electrically operable valve assembly having an integral pressure regulator
10/16/2003US20030192589 Sensitive fluid balancing relief valve
10/15/2003EP1353255A1 Apparatus for dosing gases
10/14/2003US6631633 Method and apparatus for calibrating a variable force solenoid
10/12/2003CA2424831A1 Apparatus for metered addition of gases
10/09/2003WO2003083321A1 Pressure control valve for hydraulic actuation assembly
10/09/2003US20030188782 Diaphragm-operated pressure regulating valve
10/08/2003EP1350145A1 Pressure regulator
10/08/2003EP1198740B1 Regulator flow measurement apparatus
10/08/2003EP1151363B1 Proportional pressure control valve
10/08/2003EP0938695B1 Current to pressure converter
10/07/2003US6630264 Solid oxide fuel cell process gas sampling for analysis
10/07/2003US6629544 Gas pressure-reducing valve
10/02/2003WO2003081363A1 Pressure regulation valve
10/02/2003WO2003031854A8 Auto-relieving pressure modulating valve
10/02/2003US20030183282 Variable pressure relief valve
10/02/2003US20030183280 Corrective control system and method for liquid pressure control apparatus in automatic transmission
10/01/2003CN2577313Y Constant temperature balance-pressure control valve
10/01/2003CN2577067Y Anti-leak energy-saving pressure-reducing valve
10/01/2003CN1122811C Method and means for controlling variables of gas flowing drying process
09/2003
09/30/2003US6625980 Overpressure control circuit for vehicle pneumatic system
09/30/2003CA2392850C Improvements in two stage gas pressure regulators
09/30/2003CA2136699C Three-stage gas pressure regulator
09/25/2003US20030178065 Apparatus for regulating steam pressure in a fuel cell system
09/25/2003US20030178063 Apparatu and method for dissipating heat in a steam pressure regulator for a fuel cell system
09/24/2003EP1347116A2 Profiled element with a rail and a bracket, roof system and method for covering a roof
09/24/2003EP1346630A2 Servo-assisted vacuum control valve of medium-low capacity for milking plants
09/24/2003EP1346267A1 Positive pressure generation device and valve
09/24/2003CN2575390Y Combined iron core ring-shape multipole electric magnet
09/24/2003CN1122142C Bellows type pressure responding valve
09/23/2003US6622753 Variable pressure regulated flow controllers
09/18/2003US20030175194 Purification by removing of oxides of sulfur (SOX) and oxides of nitrogen (NOX) gases; pollution control, air pollution, catalytic exhaust system
09/18/2003US20030172971 Constant pressure regulator
09/17/2003CN2573809Y Pressure reducing valve
09/16/2003US6619615 Propotional control pressure valve
09/16/2003US6619612 Extended range proportional valve
09/16/2003US6619431 Fluid regulating device
09/16/2003US6619308 Pressure regulator
09/16/2003CA2237236C Room pressure control apparatus having feedforward and feedback control and method
09/12/2003WO2003075110A1 Pressure reducing valve
09/12/2003WO2003075103A1 Method and apparatus for controlling a process parameter in a regulating system
09/12/2003WO2003011376A8 Apparatus and method for regulating fluid pump pressures
09/11/2003US20030168101 High volume elcetronic gas regulator
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