G05D 16 - Control of fluid pressure

Patents for G05D 16 - Control of fluid pressure (11,321)
12/2009
12/01/2009	CA2416161C Pressure regulator
11/2009
11/26/2009	WO2009142861A2 Apparatus to regulate fluid flow
11/26/2009	WO2009141947A1 Discontinuous switching flow control method of fluid using pressure type flow controller
11/26/2009	WO2009030581A3 Pressure limiting valve and arrangement of a pressure limiting valve for the pilot control of a pressure control valve
11/26/2009	DE102008040413A1 Valve i.e. pressure control valve for use in fuel supply system of internal combustion engine, has adjusting force-actuated valve closing body working together with valve seat that is accommodated by elastically deformable bearing element
11/26/2009	DE102004025395B4 Druckreduzierventil mit Druckmessinstrument im Griff Pressure regulator with pressure gauge in the handle
11/26/2009	CA2724404A1 Apparatus to regulate fluid flow
11/25/2009	EP2124123A2 Pressurizing and pressure regulating valve and fuel supply system employing the same
11/25/2009	EP2123955A1 Pressure reducing valve for gas
11/25/2009	EP2122149A2 Pressure regulator
11/25/2009	CN201351293Y Pneumatic control automatic frequency-conversion tower-free centralized automatic water supply system
11/25/2009	CN101587354A Steam pressure controlling method combining feedforward compensation open-loop with feedback close-loop control
11/25/2009	CN101586355A Stacking energy-saving water tank of automatic circulation pipe network
11/25/2009	CN101586354A Stacking energy-saving water tank of automatic circulation pipe network
11/25/2009	CN100562827C Electrical control gas pressure regulator with flux measurement function
11/24/2009	US7621032 Method and apparatus for controlling the rate of pressure applied to an air controlled device
11/19/2009	WO2009139997A2 Diaphragm assemblies for use with fluid control devices
11/19/2009	DE10033909B4 Verfahren und Vorrichtung zur Steuerung wenigstens eines Ventils Method and apparatus for controlling at least one valve
11/19/2009	CA2723523A1 Diaphragm assemblies for use with fluid control devices
11/18/2009	EP2118715A2 Pressure control valve assembly
11/18/2009	CN201347566Y Variable frequency constant-pressure water-supplying automatic control system
11/18/2009	CN101581941A Control of egress of gas from a cryogen vessel
11/18/2009	CN101581514A Method and device of exhaust steam refrigeration by utilizing polyester technology
11/18/2009	CN100560245C Water press large-pressure instant load-missing control method
11/17/2009	US7617841 Pressure-dependent check valve and hydraulic system equipped therewith
11/17/2009	US7617839 Constant flow valve
11/12/2009	WO2009135490A2 A control valve
11/12/2009	WO2009107999A3 Automatic pressure reducing valve
11/12/2009	DE102008005492B3 Druckstellglied, insbesondere Farbdruckregler oder Beschichtungsmittelventil Pressure actuator, in particular paint pressure regulator valve or coating
11/12/2009	CA2723696A1 A control valve
11/11/2009	EP2116332A1 Portable device for supplying compressed CO2 from a pressure vessel to a pneumatic tool
11/11/2009	EP2115546A2 Controller and control system for a pressure reducing valve
11/11/2009	EP2115545A1 Selectively actuated constant flow valve
11/11/2009	EP2114536A1 Method and device for controlling a fire-extinguishing system of the high-pressure gas type
11/11/2009	CN201345059Y Intelligent anti-explosion pressure transmission controller
11/11/2009	CN201344141Y Fully-automatic control device for water pump
11/11/2009	CN100559317C Pressure regulator
11/11/2009	CN100558994C Information analysis system for water distribution and pipelines
11/05/2009	WO2008138585A3 Apparatus for controlling a water-pressurization system
11/05/2009	WO2008114036A8 Pilot valve for a pressure reducing valve
11/05/2009	US20090276100 System, program product, and related methods for performing automated real-time reservoir pressure estimation enabling optimized injection and production strategies
11/05/2009	DE102008019458A1 Pressure control valve has primary channel charged with primary pressure, secondary channel that allows arranged secondary pressure and movable controlling element for controlling fluid connection between primary and secondary channel
10/2009
10/29/2009	WO2009132006A1 Pressure loaded service regulator with pressure balanced trim
10/29/2009	WO2008109496A3 Pressure control for vacuum processing system
10/29/2009	DE102009012174A1 Drosselanordnung zur Verwendung in einer Fluiddruckvorrichtung Choke assembly for use in a fluid pressure device
10/29/2009	DE102008020863A1 Arrangement for pressure regulation in pipe through which fluid flows, has adjustment unit for flow-dependent dynamic adjustment, where factor and reset time are reduced when flow value is increased and are increased when value is decreased
10/29/2009	CA2722036A1 Pressure loaded service regulator with pressure balanced trim
10/28/2009	EP1749253B1 Pneumatic valve control having improved opening characteristics and an air turbine starter incorporating the same
10/28/2009	CN101566855A Throttling structure for use in a fluid pressure device
10/27/2009	US7607475 Apparatus for cooling with coolant at subambient pressure
10/27/2009	US7607417 Method and system for controlling an internal combustion engine
10/22/2009	WO2009127403A2 Pressure-reducing seat valve and locking circuit
10/22/2009	WO2009127397A1 Electro-hydraulic control arrangement
10/22/2009	US20090260699 Throttling structure for use in a fluid pressure device
10/22/2009	US20090260380 Refrigeration System
10/22/2009	DE102008019743A1 Druckreduzier-Sitzventil und Spannschaltung Pressure reducing valve seat and clamping circuit
10/21/2009	CN201331713Y Control device of air compressor
10/21/2009	CN201331712Y Decompression pressure stabilizer of high pressure oxygen
10/21/2009	CN201330760Y Control device for vacuum electric-contact-point pressure gauge and integrated negative-pressure supplying system employing same
10/21/2009	CN101561076A Method for monitoring lubricant distribution system and lubricant distribution system using same
10/21/2009	CN100552588C Regulator flow measurement apparatus
10/20/2009	US7604218 Valves
10/20/2009	CA2457776C Pressure regulator
10/15/2009	WO2009126857A1 High performance miniature regulator
10/15/2009	US20090255587 Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used
10/14/2009	CN201326199Y Multi-pump simulated frequency conversion towerless water supply plant of air pressure type
10/14/2009	CN201326194Y Non-negative-pressure pipe direct drinking water supply system
10/14/2009	CN201326193Y Relay-type variable-quantity-and-pressure non-negative-pressure water supply system for high-rise building
10/14/2009	CN201326192Y Metering air-supplying type air-pressure water supplying device
10/14/2009	CN100549893C 排气装置压力控制系统 Exhaust pressure control system
10/14/2009	CN100549892C Self-controlled solenoid valve device
10/13/2009	US7601302 Include a liquid pump that draws liquid feedstock from a supply and delivers at least one feed stream containing the feedstock to a fuel processor
10/13/2009	US7600529 Dual gas pressure regulator for a household appliance
10/08/2009	WO2009121452A2 Media separating device, particularly pressure transmitter
10/08/2009	US20090250124 Pressure regulator
10/08/2009	DE102008028543B3 Valve for use in venting system for ventilation of crank case of combustion engine, has auxiliary membrane and bar provided for producing force on flexibly movable tax control membrane as function of difference of pressure
10/07/2009	CN201322880Y Automatic pressure adjustment device
10/07/2009	CN201321635Y Water supply installation
10/07/2009	CN201321630Y Pipe network pressure-superposed water supply device with compensation auxiliary pump
10/07/2009	CN201321629Y Pipe network pressure-superposed water supply device with compensation auxiliary pump and utilization of water storage volume of steady flow tank
10/01/2009	US20090248210 Time pulse pilot for pressure regulating control valve
10/01/2009	US20090242045 Fluid balancing relief valve with grooved process surface
10/01/2009	US20090242043 Hydrogen supply pressure regulator
10/01/2009	DE19935101B4 Fluidverteilervorrichtung, insbesondere für die hydraulische Fernsteuerung Fluid distributor device, in particular for the hydraulic remote control
10/01/2009	DE102008036113B4 Stromregler und Verfahren zur Stromregelung Current controller and method for power control
09/2009
09/30/2009	EP1955121B1 Process transmitter with overpressure vent
09/30/2009	EP1567922B1 Improvements in or relating to valves
09/30/2009	EP1546831B1 Gas operating system for firearm simulators
09/30/2009	CN100545776C Pressure loaded pilot system and method for a regulator without atmospheric bleed
09/24/2009	DE19949757B4 Elektro-hydraulischer Aktuator Electro-hydraulic actuator
09/24/2009	DE19949756B4 Elektro-hydraulischer Aktuator Electro-hydraulic actuator
09/23/2009	EP1882122B1 Valve in particular a proportional pressure relief valve
09/23/2009	CN101539784A Supper-low constant speed hydraulic control system of mill type cylinder
09/23/2009	CN101539445A Method and device for testing flux of water heating product
09/23/2009	CN101539344A Non-pressure bearing operation wall mounting type solar water heater hot water supply pressurization control device
09/23/2009	CN100543628C Methods and apparatus for operating and performing diagnostics in a control loop of a control valve
09/22/2009	US7591276 Expansion valve block with coordinated high- and low-pressure circuit control means
09/17/2009	US20090231075 Oil cooling system, particularly for transformers feeding traction electric motors, transformer with said system and method for determining the cooling fluid flow in a cooling system
09/17/2009	US20090230336 Liquid flow controller and precision dispense apparatus and system
09/16/2009	EP1534991B1 Multiple regulator vacuum delivery valve assembly

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