Patents
Sitemap › G05 - Controlling; Regulating › G05D - Systems for controlling or regulating non-electric variables › G05D 16 - Control of fluid pressure
Patents for G05D 16 - Control of fluid pressure (11,321)
07/2003
07/09/2003CN2559849Y 间接作用式调压阀 Indirect-acting pressure regulator
07/09/2003CN2559848Y Easy-to-dismounting and mounting indirect effet type pressure regulating valve
07/08/2003CA2300482C Diaphragm-type gas pressure regulator with drop-in valve subassembly
07/03/2003US20030121549 Bias spring structure for presssure regulators
07/03/2003US20030121548 Liquid pressure regulator with built-in antidrainage valve
07/02/2003EP0961957B1 Method and device for monitoring the operation of a pressure regulator
07/02/2003EP0894216B1 Proportional solenoid-controlled fluid valve assembly
07/02/2003CN1427196A Valve and mixing method for constant flow
07/02/2003CN1113169C Control system for multi-pump operation
07/01/2003US6584999 Fluid pressure controller
06/2003
06/26/2003WO2003052535A1 Control device with a valve
06/26/2003US20030116196 Constant flow valve and constant flow mixing method
06/25/2003EP1321841A1 Constant flow valve and constant flow mixing method
06/25/2003EP1321276A1 Injection moulding machine with hydraulic accumulator
06/25/2003EP1321156A1 Valve ensuring a substantially constant fluid flow
06/25/2003CN1112622C Vacuum pressure regulator
06/24/2003US6581631 Device with a diaphragm arrangement
06/24/2003US6581630 Pressure control valve
06/24/2003US6581628 Pressure reducing valve assembly
06/19/2003WO2003050635A1 Pneumatic pressure regulator assembly
06/19/2003WO2003002864A3 Pressure regulating device & closed loop fluid pressure regulating system
06/19/2003US20030111178 Diaphragm valve, substrate processing unit and substrate processing apparatus
06/18/2003EP1319205A1 Pressure regulator
06/18/2003CN2556686Y 正压柜控制器 Positive pressure controller cabinet
06/18/2003CN2556685Y Adjustable membrane movable type pressure controller
06/18/2003CN1425114A Extended range proportional valve
06/17/2003US6579507 System and process for removal of pollutants from a gas stream
06/17/2003US6578606 Solenoid valve, in particular, a pressure control valve
06/17/2003US6578601 Liquid pressure regulator
06/17/2003US6578435 Chemically inert flow control with non-contaminating body
06/12/2003US20030106588 Pilot operated pressure valve
06/12/2003US20030106584 Pneumatic pressure regulator assembly
06/12/2003DE10156500C1 Druckminderungsventil Pressure reducing valve
06/11/2003EP1318341A2 Flow rate control apparatus
06/11/2003EP1317636A1 Expansion valve for quick mounting on a gas bottle
06/11/2003CN2555528Y Electrohydraulic combined controller based on frequency converting speed regulation
06/11/2003CN2555445Y Intelligent pressure regulator to test proportional electromagnetic valve properties
06/11/2003CN1423078A Gas-pressure controller
06/11/2003CN1111294C 压力控制系统 Pressure control system
06/11/2003CN1111293C Timing control mechanism large flowrate and non-pressure-drop device for coal gas explosion protector
06/10/2003US6575189 Automatic valve
06/05/2003WO2002004848A8 Valve
06/05/2003US20030102032 Flow rate control apparatus
06/05/2003US20030102026 Gas pressure regulator
06/04/2003EP1316728A2 Fluid pressure apparatus
06/04/2003EP1315546A2 System and process for removal of pollutants from a gas stream
06/04/2003EP1315412A1 A vacuum regulator for maintaining a substantially constant vacuum in a vacuum system
06/04/2003EP1123155B1 Valve device
06/04/2003EP0904495B1 Valve device, especially a combined proportional-distributing valve device
06/04/2003CN1421754A Method for controlling continuously position of control valve
06/04/2003CN1421753A Single water supply detection method of pressure-type single-and double-pipe two-purpose control valve
06/04/2003CN1110375C Method and device for filling fluid into pressure box
05/2003
05/29/2003US20030100257 Air pressure managing system for electronic equipment
05/29/2003US20030098071 Pressure regulator for gas transport and distribution plants
05/29/2003US20030098070 Method for the continuous control of a position of a control valve
05/28/2003EP1315060A1 Method for continuously regulating the position of a control valve
05/28/2003CN2553411Y Electric controller for secondary pressure water-supply equipment
05/28/2003CN2553211Y Gas regulator balanced beam device
05/28/2003CN1420400A Pressure single-pipe and double-pipe controlling valve double water supply testing and setting method
05/28/2003CN1420399A Pressure single-pipe controlling velve double water supply testing and setting method
05/28/2003CN1109943C Current to air pressure converter
05/27/2003US6568418 Precision regulator
05/27/2003US6568375 Vehicle gaseous fuel supply system
05/27/2003US6568189 Process for controlling the pressure and delivery of a fuel feed to a servovalve unit
05/22/2003WO2003042586A1 Process control valve
05/22/2003US20030094202 Pressure reduction valve
05/22/2003US20030094136 Atmospheric pressure wafer processing reactor having an internal pressure control system and method
05/21/2003EP1312836A1 Hydraulic servo system
05/21/2003EP1312809A1 Pressure reduction valve
05/21/2003CN2551829Y Automatic temp-control water intake valve for solar water heater
05/20/2003US6564826 Flow regulator for water pump
05/15/2003WO2003040599A1 Hydraulic valve
05/15/2003US20030089402 Metal diaphragm structure for pressure regulators
05/14/2003EP1151219B1 Proportional control pressure valve
05/14/2003EP1066550B1 Method and apparatus for pressure control in vaccum processors
05/14/2003CN2550596Y Pressure reducing valve
05/13/2003US6562502 Fuel cell hot zone pressure regulator
05/08/2003WO2003038324A1 Method and apparatus for driving flow control electromagnetic proportional control valve
05/08/2003US20030086794 System for regulating fluid pump pressures
05/07/2003EP1308816A1 Modular fluid pressure regulator with bypass
05/07/2003EP1307800A1 Direct-acting pressure regulator
05/07/2003EP1266164A4 Extended range proportional valve
05/07/2003CN2549510Y Liquid pressure stabilizer
05/07/2003CN1415278A Method of controlling pressure of vitro reverse pulsation treatment by using frequency converter
05/02/2003EP1306737A2 Method and apparatus for pressure control in vacuum processors
05/02/2003EP1305682A1 Method and device for controlling at least one valve
05/02/2003EP1133662B1 Automatic hydraulic balancing device
05/01/2003US20030080142 Methods and apparatus for maintaining equilibrium pressure in a container
05/01/2003US20030079786 Modular fluid pressure regulator with bypass
05/01/2003US20030079550 Method and apparatus for regulating exhaust pressure in evacuation system of semiconductor process chamber
04/2003
04/30/2003CN2547981Y Direct-acting piston self-operated pressure-reducing and pressure-stabilizing regualting valve
04/30/2003CN2547980Y Pressure-regulating valve special for hyperconcentrated phase transport system
04/30/2003CN1414275A Parallel valve port type pressure reduction valve
04/30/2003CN1107205C Apparatus and method for room pressure control with feedforward and feedback control
04/30/2003CA2405213A1 Modular fluid pressure regulator with bypass
04/29/2003US6554022 Regulator with improved seat
04/29/2003US6554018 Water closet flushing system
04/29/2003US6554017 Pressure regulating valve with secondary venting measures
04/29/2003US6553979 Pressure-regulating piston with built-in relief valve
04/24/2003WO2003034171A1 Pressure regulating valve, in particular proportional pressure regulating valve
1 ... 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 ... 114