Patents for G05D 7 - Control of flow (11,410)
07/2002
07/11/2002WO2002040738A3 Installation wherein is performed an operation requiring control of atmosphere inside a chamber
07/11/2002US20020088497 System for measuring change in fluid flow rate within a line
07/11/2002US20020088493 Mass flowmeter
07/11/2002DE10064620A1 Fluid control valve for a heating and or cooling system is compact and provides reliable pressure measurement for pre-setting of the control flow rate
07/04/2002WO2002052363A1 Pressure-based mass flow controller system
07/04/2002US20020083979 Mass flowmeter
07/04/2002DE10156440A1 Verfahren und Vorrichtung zur Bestimmung eines Ventilzustandes Method and apparatus for determining a state of valve
07/03/2002CN1356608A Automatic controller for laser coating and powder feeding system
07/02/2002CA2251812C Proportional solenoid-controlled fluid valve assembly
06/2002
06/27/2002WO2001071226A3 Thermally actuated microvalve assembly
06/27/2002US20020082783 Pressure-based mass flow controller system
06/27/2002US20020082727 SPA controller computer interface
06/26/2002EP0954704B1 Flow control valve
06/20/2002US20020077727 Magnetically overridden flow control device
06/20/2002US20020074049 Flow control valve
06/20/2002US20020074048 Diffuser in an air mass flow controller
06/20/2002US20020074047 Air mass flow controller
06/19/2002EP1215431A2 Flow control valve
06/19/2002EP1214635A1 A system and method for a digital mass flow controller
06/19/2002EP1214634A1 Automatic valve for the stabilization of a thermostatic mixing device
06/19/2002EP1214523A1 Addressable valve arrays for proportional pressure or flow control
06/18/2002US6405745 Ultra accurate gas injection system
06/13/2002WO2002046577A1 Method, computer program prodcut and use of a computer program for stabilizing a multiphase flow
06/13/2002US20020069916 Method and apparatus for determining a valve status
06/13/2002DE10059386A1 Verfahren und Vorrichtung zur dosierten Abgabe kleiner Flüssigkeitsvolumenströme Method and device for metered delivery of low volumetric flows of liquid
06/12/2002EP1212665A1 System and method of operation of a digital mass flow controller
06/11/2002US6402048 Accurate horticultural sprinkler system and sprinkler head
06/06/2002WO2002044823A1 Flow control method for micro system
06/06/2002WO2002044441A2 Method and device for the metered delivery of low volumetric flows
06/06/2002US20020066878 Water flow timer
06/06/2002DE10057786A1 Einspritzsystem für eine Brennkraftmaschine und Verfahren zum Regeln und/oder Entlüften eines solchen Einspritzsystems Injection system for an internal combustion engine and method for controlling and / or venting of such an injection system
06/05/2002EP1211487A2 Device for measuring and controlling consumption of heat transferring fluids
06/05/2002EP1007849A4 Automated, quantitative filtration of liquids
06/04/2002US6398185 Water flow timer
05/2002
05/30/2002WO2002042633A1 Injection system for an internal combustion engine and method for regulation and/or bleeding of said system
05/29/2002EP1209364A2 Fluid control system with autonomously controlled pump
05/29/2002DE10058484A1 Device for measurement and regulation of individual consumption values in a shared heating plant has an improved regulation unit based on a water-jet pump that has no moving parts and does not require an electrical supply
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
05/23/2002WO2002040738A2 Installation wherein is performed an operation requiring control of atmosphere inside a chamber
05/23/2002WO2002039814A1 Method and device for flow rate regulation in a hydraulic phytosanitary product spraying device
05/22/2002EP1206663A2 Method for adjusting the pressure in a cryogenic tank and corresponding device
05/22/2002CN1350668A Wide range gas flow system with real time flow measurement and correction
05/21/2002US6393338 Apparatus and control method for accurate rotary peristaltic pump filling
05/21/2002US6390129 Proportional solenoid-operated fluid metering device
05/21/2002US6390122 Fluid flow control valve and orifice therefor
05/16/2002US20020057999 For surface-treating a running substrate, such as crosslinking an ink or varnish surface using ultraviolet radiation or electron beams
05/16/2002DE10110113C1 Gas dosing module used for introducing a gas into a non-ferrous metal melt, especially an aluminum melt comprises a control block and a controller with a nozzle having a fitting with a peripheral outer edge and a recess
05/15/2002CN1349599A Fluid pressure reduction device
05/15/2002CN1084863C System and operation method for controlling fluid medium distributing pipe-line
05/15/2002CN1084856C Opening and closing valve
05/14/2002US6389364 System and method for a digital mass flow controller
05/10/2002WO2002037199A2 Method and apparatus for a flow regulator having an integral hinge
05/10/2002WO2002036293A1 Metal flow control
05/10/2002CA2426847A1 Metal flow control
05/09/2002US20020054194 Fluid accumulator for ink-jet print heads
05/08/2002CN1084491C Straight tube and closed isolated gas flow controlling system
05/07/2002US6382228 Fluid driving system for flow cytometry
05/07/2002CA2727878A1 Portable spa controller interface
04/2002
04/30/2002US6378542 Flow control device having a lip seal and compressible bypass pads and associated method for operating an appliance water valve
04/25/2002WO2002033361A2 Apparatus and method for maintaining a constant pressure drop across a gas metering unit
04/25/2002WO2001062069A3 Flow regulators with flexible diaphragms
04/24/2002EP1198740A1 Regulator flow measurement apparatus
04/24/2002EP1005670B1 Pressure compensated flow control valve
04/18/2002WO2002031611A2 Variable pressure regulated flow controllers
04/18/2002US20020043283 Device for controlling a liquid flow
04/17/2002EP1196834A1 Regulator diagnostics system and method
04/17/2002EP1196833A1 System and method for a variable gain proportional-integral (pi) controller
04/17/2002EP1196832A2 Particle sensing system and associated methods
04/11/2002US20020040733 Fluid flow controlling
04/11/2002DE10048600A1 Control unit for hydraulic volume flow e.g. for fork lift truck, has control element which controls valve body and pressure divider via which pressure dependent on position of control element is generated
04/10/2002EP1194823A1 Flow regulator
04/10/2002CN1344368A Methods for optimal usage and improved valuation of corrosive petroleum feedstocks and fractions
04/09/2002US6367497 Control system for on-off valves resulting in proportional response
04/03/2002CN2484583Y Dynamic-balancing liquid-level self regulator
04/03/2002CN1343285A Water softener valve
04/03/2002CN1343183A Mixing, aeration or oxygenating method and apparatus
04/02/2002US6364471 Fluid accumulator for ink-jet print heads
04/02/2002US6363958 Flow control of process gas in semiconductor manufacturing
04/02/2002US6363957 End user requirement supply using segmentation
03/2002
03/28/2002WO2002025391A1 Fluid flow controller and method of operation
03/28/2002DE10045232A1 Control device for hydraulic volumetric flow, has pressurized space fitted with additional valve on outflow side
03/27/2002EP0922247B1 Flow control system
03/26/2002US6360772 Mass flow controller
03/21/2002WO2002023298A1 Process and device for flow control of an electrical motor fan
03/20/2002EP1188100A1 A constant gas flow regulating device
03/19/2002US6357463 Control member for a valve and method for determining fluid flow rate through a valve
03/13/2002EP0880733B1 Regulator flow fluctuation stabilizer
03/13/2002EP0853776B1 Adjustable flow regulator device
03/12/2002US6354805 Method for regulating a delivery variable of a pump
03/12/2002CA2056369C System and method for monitoring substances and reactions
03/07/2002WO2001067048A3 Miniature pulsatile flow controller
03/07/2002US20020029130 Flow diagnostic system
03/06/2002CN2480882Y Magnetic controlled flow switch capable of measuring flow
03/05/2002US6352176 Fuel dispensing system with discharge rate control
02/2002
02/28/2002WO2002016698A1 Control gates
02/28/2002WO2001054215A3 Dosing unit and method for dosing liquid or gaseous educts for a fuel cell system
02/28/2002CA2781640A1 Control gates
02/28/2002CA2694067A1 Control gates
02/27/2002CN1079703C System for distributing fluid comprising thermal smelting adhesive
02/26/2002US6349922 Valve with valve body which is non-linearly movable relative to a valve seat
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