Patents for G05D 16 - Control of fluid pressure (11,321)
04/2009
04/22/2009CN100480939C Adjusting device for heat value/caloric index and pressure of liquefied petroleum gas
04/21/2009US7521029 Catalytic oxidation, hydration, dehydration, ammoxidation carbonylation, nitration and alkylation; pressure reduction space is formed by a chamber housing the check valve arrangement; bundle of contact tubes, gas intake hood, supply pipe; withstands combustion and detonation
04/21/2009US7521027 Catalytic fixed-bed reactor comprising bypass means for flows through the bed
04/21/2009US7520297 Pressure regulator device and system
04/21/2009CA2517348C Method and apparatus for metering catalyst in a fluid catalytic cracking catalyst injection system
04/16/2009WO2009047115A2 Sliding valve
04/16/2009WO2009046714A2 Adjustable pressure reduction valve
04/16/2009WO2008059479A3 Protected regulator
04/15/2009EP2048563A1 Pressure regulator
04/15/2009EP2047347A1 Pressure controller device
04/15/2009CN201222646Y Electric control circuit FOR air compressor
04/15/2009CN201221474Y Water pump electronic pressure controller
04/15/2009CN101410771A Valve assembly for connecting a heat exchanger of a hot water discharging device to a district heating system
04/15/2009CN101410770A Valve arrangement for connecting a heat exchanger of a hot water extraction device to a district heating network
04/15/2009CN101410769A Flow control valve
04/14/2009US7516756 Proportional pressure control valve
04/09/2009US20090090152 Systems and methods for providing control and disposal of waste materials
04/09/2009DE102008036113A1 Stromregler und Verfahren zur Stromregelung Current controller and method for power control
04/09/2009DE102007047422A1 Elektromagnetisches Druckventil Electromagnetic pressure valve
04/08/2009EP2045495A1 Pressure control device
04/08/2009CN201218764Y Multifunctional electronic digital display tire pressure meter
04/08/2009CN101405667A Control appliance comprising a regulator for regulating the electrical coil current of a regulating electrovalve
04/08/2009CN101403932A Electromagnetic pressure valve
04/08/2009CN101403931A Time-adjustable time-delay differential pressure controller and assembling method
04/07/2009CA2397908C Pilot operated relief valve
04/02/2009US20090087349 Reacting iodine containing aqueous solution with SO2 under pressurized conditions; separating from resulting H2SO4 and thermally decomposing to H2; high yield alternative fuel production; maintain pressure in the SO2 dissolving and reaction tanks above a predetermined level above atmospheric pressure
04/02/2009DE10248319B4 Ventileinheit Valve unit
04/01/2009EP1937983B1 Valve with cushioned opening system
04/01/2009CN201215078Y Intelligent pressure display controlling and gas supply pressure automatic regulating device for air compressor
04/01/2009CN101401050A Pressure reducing regulator with adjustable feature
04/01/2009CN101401049A Methods and apparatus for pressure control in electronic device manufacturing systems
04/01/2009CN101398098A Differential pressure compensating flow control structure
04/01/2009CN100474504C Vacuum obtaining system
04/01/2009CN100474202C Electric Proportion valve controlling circuit
03/2009
03/26/2009WO2009038946A1 In-line adjustable regulator
03/26/2009WO2009038945A2 Modular in-line fluid regulators
03/26/2009CA2699542A1 In-line adjustable regulator
03/25/2009EP1810103B1 Device for dynamically controlling a water flow
03/25/2009CN201212959Y Ultra-high voltage indirect action type voltage-regulating device
03/25/2009CN101395417A Regulating valve and fuel cell system
03/25/2009CN101393061A Pressure detection device for electric pressure cooker
03/25/2009CN101392546A Frequency conversion voltage transformation water supply installation according to period of time
03/25/2009CN100471678C Pressure control valve unit and liquid jetting device
03/24/2009CA2393337C Method for compensating for pressure differences across valves in cassette type iv pump
03/19/2009DE202008013277U1 Druckregler mit Druckanzeige Pressure regulator with pressure gauge
03/18/2009CN201208159Y Stepless voltage regulation electric pressure cooker
03/18/2009CN101386005A Spray paining control method on mineral wool sound-absorbing panel and control system thereof
03/18/2009CN100470434C Device and method for controlling atmosphere content and pressure balance in negative pressure container
03/17/2009US7505818 Converter method, system and apparatus
03/12/2009WO2009030581A2 Pressure limiting valve and arrangement of a pressure limiting valve for the pilot control of a pressure control valve
03/12/2009US20090065173 Direct exchange heating/cooling system
03/12/2009DE102007042891A1 Druckregelventil Pressure control valve
03/12/2009DE102007042890A1 Druckregelventil Pressure control valve
03/11/2009EP2034380A2 Electrically controlled pilot operated pressure regulator valve apparatus and method of operation of the same.
03/11/2009EP2000720A9 Control valve and control valve for variable displacement compressor using the control valve
03/11/2009CN201206255Y Prepressing type non-negative-pressure compensation tank
03/11/2009CN201206254Y Prepressing type non-negative-pressure water-supply installation
03/11/2009CN100468629C Vacuum control system
03/11/2009CN100468268C Waste-water return-flow system flow compensation method and flow compensation valve
03/11/2009CN100468267C Method for closing fluid passage, water hammerless valve and water hammerless closing device
03/11/2009CN100467880C Water hammer-less opening device and method of fluid passage,
03/10/2009US7500491 Sanitary fluid pressure control valve
03/05/2009WO2009029295A1 Method and apparatus for controlling fluid pressure
03/05/2009DE102008026619A1 Gas pressure controller has housing and inlet connecting piece for connection to gas supply and output connecting piece for connection to continuous gas line, and shutoff device is provided
03/04/2009EP2031475A2 Pressure regulating valve and hydraulic regulating assembly with a pressure regulating valve
03/04/2009EP2030095A1 Motor vehicle control device for regulating the pressure of the volumetric flow of a motor vehicle hydraulic apparatus, and associated method for regulating the pressure
03/04/2009EP2030094A2 Fluid pressure regulator
03/04/2009EP1658541B1 Fluid regulation
03/04/2009CN201204559Y Constant-pressure closed-loop frequency conversion water supply controller
03/04/2009CN201202661Y Constant pressure frequency conversion pump for water supply system
03/04/2009CN101377244A Civil methane voltage-stabilizing stop valve
03/03/2009US7497232 Pressure control valve
02/2009
02/26/2009WO2009025701A1 Pressure control with coarse and fine adjustment
02/26/2009WO2009024703A2 Pressostat pressure switch
02/26/2009US20090054605 including a head assembly having an array of nozzles each coupled to a reservoir of liquid reagent and a base assembly having an array of reaction wells
02/26/2009US20090050212 Method and apparatus for sample injection in liquid chromatography
02/26/2009CA2696365A1 Pressure control with coarse and fine adjustment
02/25/2009EP1704093B1 Cabin pressure control system using all-electric control without outflow valve position feedback
02/25/2009CN100464039C Buried type stacked-pressing non-negative-pressure life fire-fighting common feed water equipment
02/24/2009CA2374242C Pilot valve
02/19/2009DE102008030134A1 Pressure regulating valve for use in cylinder head cover of internal combustion engine of motor vehicle, has valve element arranged in compensation chamber such that element is pressure compensated with respect to pressure in flow chamber
02/18/2009EP1118102B1 Low-pressure apparatus and pressure control valve
02/18/2009CN201196745Y Pressure regulating arrangement
02/18/2009CN201196280Y Cutting valve of gas pressure regulator
02/18/2009CN101371208A Pressure control valve, method of producing pressure control valve, fuel cell system with pressure control valve, and method of controlling pressure
02/18/2009CN101368644A A control loop used for positioning throttle part of pneumatic operation control valve
02/18/2009CN101368643A Method for detecting fault of pneumatic operation control valve in a control loop
02/18/2009CN101368642A Positioner system of a pneumatic actuator
02/18/2009CN101368394A Non-negative pressure frequency conversion water supply facility
02/12/2009WO2009019279A2 Improved direct acting gas pressure regulator
02/12/2009WO2009019237A1 Pilot device with remote pressure control for gas pressure regulators
02/12/2009WO2009018999A2 Material transport and event monitoring in systems featuring piezoelectrically activated emission of droplets, and possible combinations of a matrix and material to be metered
02/12/2009DE102007037447A1 Pressure regulator for slip-controlled hydraulic brake system in motor vehicle, has wireless transducer operated between measuring point and rotary sensor, and producing wireless information transmission between point and sensor
02/11/2009EP2023080A2 Liquid flow proximity sensor for use in immersion lithography
02/11/2009EP1797490B1 Method and device for determining a pwm signal on which a dither frequency is superimposed in order to control a solenoid valve
02/11/2009CN101363235A Water boosting system and boosting method thereof
02/05/2009WO2009017922A1 Fuel delivery module regulator valve
02/05/2009WO2009017641A1 Piezo-electric actuated valve
02/05/2009WO2008152427A3 Pressure reducing valve control
02/05/2009US20090035624 Fuel gas generation supply equipment
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