Patents for G05D 7 - Control of flow (11,410)
01/1993
01/12/1993US5177965 Pump control system with limit signal generated at a given displacement setting
01/07/1993WO1992021006A3 Method and apparatus for translating a mass flow meter signal
01/05/1993US5177470 Sensor device for particles in an air stream
01/05/1993US5175996 Apparatus for propellant flow control at low mass flow rates in zero G environment
12/1992
12/30/1992CN1067484A Free-lobe compressor set
12/29/1992US5174339 Fluid flow control valve
12/29/1992US5174332 Constant flow valve
12/29/1992US5174330 Constant flow rate control valve with low pressure drop start
12/29/1992US5174329 Loading pressure compensation type logic valve
12/29/1992US5174320 Bulk cement metering device
12/29/1992CA1311987C Fresh water control system and method
12/23/1992EP0519523A2 Valve control system
12/16/1992EP0518594A1 Droop compensated bypass valve
12/16/1992EP0518538A2 Motor control system
12/16/1992EP0518301A2 Sprayhead
12/15/1992US5170626 Hydraulic flow control system for automotive vehicle
12/10/1992WO1992022025A1 Flow control apparatus
12/09/1992EP0517293A1 Integrated device for controlling the volume of fluids flowing through electrovalves for liquid distributing machines and washing machines
12/08/1992US5168894 Air terminal
12/02/1992EP0516240A1 Apparatus for supplying liquid under constant pressure
12/01/1992US5168200 Automatic powered flowmeter valves and control thereof
11/1992
11/30/1992CA2069791A1 Valve control apparatus
11/26/1992WO1992021006A2 Method and apparatus for translating a mass flow meter signal
11/19/1992EP0514358A2 Control device for the adjustment members of the flowrate to the delivery nozzles in hydromassage or underwater massage installations
11/17/1992US5164643 Electric multi-point positioner for a rotary component
11/17/1992US5163920 Flow regulator damper element
11/17/1992US5163818 Automatic constant air flow rate pump unit for sampling air
11/11/1992EP0512507A1 Control system for automatically connecting or disconnecting conveyors lined up one behind the other and forming a conveyor line
11/10/1992US5161777 Control device for a valve
11/03/1992US5160216 Drainage distribution amount determining method and drainage system
11/03/1992US5159951 Mass flow controller
11/03/1992US5159840 Method and apparatus for measuring, regulating and controlling the quantity of fiber tufts in flight
11/03/1992US5159812 Circuitry for controlling control coils of servo devices in a hydraulic system
10/1992
10/29/1992WO1992018921A1 Device for regulating the flow rate of a fluid in a fluid distribution network
10/29/1992DE4113388A1 Flow regulating valve for hydraulic system - has actuator adjustment provided by stepping motor to rotate valve restrictor through angle to adjust restricting orifice and with electromagnetic brake to maintain position
10/28/1992CN1018855B Power unit control method and power unit control system
10/27/1992US5159218 Motor with integral controller
10/27/1992US5158230 Air flow control apparatus
10/27/1992US5158215 Automatic lift valve
10/25/1992CA2057346A1 Fluid metering apparatus
10/21/1992EP0509455A1 Flow testing apparatus for injectors
10/20/1992US5156334 Gas permeation system
10/20/1992US5156332 Pressure regulating flow control apparatus
10/20/1992US5156298 Method and apparatus for detecting a limit of the usable portion of a batch of fluent material flowing in a conduit
10/17/1992CA2065975A1 Fluid flow generating apparatus
10/15/1992WO1992017281A1 Method and device for applying a paste
10/14/1992CN2119003U Automatic control fluid flow constant output device
10/14/1992CN1065334A Modular pressure instrument
10/13/1992US5154394 Solenoid operated valve with improved flow control means
10/13/1992US5154353 Optimized weir construction for liquid distributors
10/07/1992CN1018572B Butterfly valve having function for measuring flow rate and method of measuring flow rate with butterfly valve
10/06/1992US5152354 Weigh feeding apparatus for pourable substances
10/06/1992US5152309 Valve control apparatus
10/06/1992CA2055181A1 Automatic flow control system and flood protector
10/06/1992CA1308324C Constant pressure variable flow pump
10/01/1992WO1992016885A1 Flow regulator adaptable for use with process-chamber air filter
10/01/1992WO1992016884A1 Flow regulator adaptable for use with exhaust from a process chamber
10/01/1992WO1992016883A1 Process-chamber flow control system
10/01/1992WO1992016882A1 Flow control valve with venturi
10/01/1992DE4208884A1 Verfahren und vorrichtung zum aufbringen einer pastoesen masse Method and device for Apply a paste
09/1992
09/29/1992US5151017 Variable speed hydromassage pump control
09/29/1992US5150741 Device for controlling the gas stream delivered by a pressurized gas reservoir and a gas supply system comprising such a device
09/23/1992CN2116927U Rationing water-adding unit
09/17/1992WO1992015979A1 Computer controlled positive displacement pump for physiological flow simulation
09/17/1992WO1992015928A1 Correction circuit for four-way continuous-flow valve
09/17/1992WO1992015875A1 Pneumatic controller for analyzer transport device
09/16/1992EP0503360A1 Room air treating equipment
09/16/1992EP0503209A1 Regulating device for changing the cross section of the discharge opening of an equalizing reservoir, especially a rain water storage basin
09/15/1992US5146941 High turndown mass flow control system for regulating gas flow to a variable pressure system
09/06/1992CA2037577A1 Method and system for dispensing precise amount of fluid with automatic set reset
09/02/1992EP0500986A1 Correction circuit for a four-way flow valve
09/02/1992EP0500560A1 Volume and flow measuring apparatus
09/01/1992US5143120 Electromagnetic valve assembly
09/01/1992US5143116 Flow regulating valve and system using the same
08/1992
08/25/1992US5141021 Mass flow meter and mass flow controller
08/19/1992WO1992014980A1 Regulation of flowrate of liquid furnace products
08/19/1992CA2101253A1 Regulation of flowrate of liquid furnace products
08/18/1992US5139197 Air conditioning system
08/18/1992US5139044 Fluid control system
08/18/1992US5138845 Method and apparatus for controlling the flow of process fluids
08/12/1992EP0498242A2 System for distributing lubricant to several users via remotely controlled distributors connected to the same lubricant delivery or distribution line
08/12/1992CN1017824B Pumping plant
08/11/1992US5137522 Pressure-compensated infusion regulator
08/11/1992US5137254 Pressure compensated flow amplifying poppet valve
08/11/1992US5137046 Fluid metering apparatus
08/05/1992EP0496803A1 Computer controlled metering pump.
08/05/1992CN1063367A Stock monitoring method of barrel-shaped steel ball mill
08/04/1992US5134961 Electrically actuated variable flow control system
08/04/1992CA1305906C Automatic flow control valve
07/1992
07/31/1992WO1992014199A1 Flow regulator
07/23/1992WO1992012474A1 Intelligent mass flow controller
07/22/1992CN1062958A Changeable operating mode submersible pump when pulled
07/21/1992US5132897 Method and apparatus for improving the accuracy of closed loop controlled systems
07/14/1992US5129620 Sealed magnetically operated flow control valve assembly
07/14/1992US5129619 Sealed magnetically operated flow control valve assembly
07/14/1992US5129418 Mass flow controller with supplemental condition sensors
07/08/1992EP0466871A4 Variable air volume ventilating system and method of operating same
07/08/1992CN2109594U Automatic controller for mixed gas
07/07/1992US5127431 Flow control system for a beverage dispenser
07/01/1992EP0492111A2 Flow controller