Patents for G05D 7 - Control of flow (11,410) |
---|
07/01/1992 | EP0491684A1 Flow control system. |
06/30/1992 | CA1304335C Metering valve temperature compensation |
06/24/1992 | EP0286649B1 Proportional valve control apparatus for fluid systems |
06/23/1992 | US5124934 Constant feed water device |
06/23/1992 | US5123592 Pressure independent control for air distribution system |
06/17/1992 | EP0490027A2 Pressure compensated control valve |
06/17/1992 | DE4039326A1 Dosing and=or controlling flow of liquid or gas - using cylindrical body contg. stepped piston with inlet and outlet near step for operation independent of pressure in inlet and outlet |
06/16/1992 | CA1303703C Flow control device for a reciprocating feed pump |
06/16/1992 | CA1303702C Condition responsive pump control utilizing integrated, commanded, and sensed flowrate signals |
06/10/1992 | EP0489150A1 Method and device for controlling air supply in a network of passages. |
06/09/1992 | US5119987 Ventilating apparatus |
06/09/1992 | US5119683 Solenoid controller with flyback pulses useful for diagnostics and/or control |
06/03/1992 | EP0488318A2 Control method of and apparatus for material charging at top of blast furnace |
06/02/1992 | CA1302204C Time control device for water conditioning apparatus |
06/02/1992 | CA1302183C Flow rate meter and automatic animal feeder installation employing such flow meter |
05/29/1992 | WO1992009023A1 Process and device for mass flow regulation |
05/29/1992 | WO1992009017A1 Methods and devices for control of fluidic systems |
05/29/1992 | WO1992008666A1 Method and device for preventing the puncture of a load-sensing and pressure-compensating control system for a hydraulic crane |
05/20/1992 | CN2105092U Carbon-dioxide flow controller |
05/19/1992 | CA1301049C Noncontrolling type valve |
05/14/1992 | WO1992008177A1 Hybrid control method and system for controlling the flow of liquid coating material |
05/14/1992 | DE4035620A1 Verfahren und vorrichtung zur massenstromregelung Method and device for mass flow control |
05/13/1992 | EP0485335A1 Spring-loaded fluid control device, controlled by the fluid pressure |
05/06/1992 | EP0483401A1 Device, e.g. a lung ventilator, for controlling a fluid flow, particularly a gas flow |
05/06/1992 | EP0483311A1 Automatic control valve |
05/05/1992 | CA1300088C Apparatus and method for dispensing fluid materials |
04/28/1992 | US5108070 Flow control solenoid valve apparatus |
04/28/1992 | US5107886 Constant flow orifice valve |
04/21/1992 | US5107441 System for evaluating the flow performance characteristics of a device |
04/16/1992 | WO1992006422A1 Method and device for the automatic regulation of a fluid flow rate in a fluid distribution network as a function of pressure variations |
04/16/1992 | DE4032661A1 Control of fluid mass flow by coriolis flowmeter - acts on speed of pump to restore desired flow rate after correction of temporary excessive deviation |
04/16/1992 | DE4030539A1 Time-controlled powder dosing appts. - useful for powder feed to plasma powder weld deposition torch |
04/15/1992 | EP0480080A1 Coating apparatus |
04/15/1992 | EP0479921A1 Flight craft with fluid systems which incorporate butterfly valves, and butterfly valve methods and apparatus. |
04/15/1992 | EP0326581B1 Flowmeter for measuring volumetric flow |
04/08/1992 | CN2101273U Infrared controlled automatic flusher |
04/07/1992 | US5103401 System for precisely controlling discharge rates of loss-in-weight feeder systems |
04/07/1992 | US5101862 Rotary actuator and valve control system |
04/07/1992 | US5101854 Low-output flow regulator |
04/07/1992 | US5101670 Automated proportional integrated sampling system |
04/05/1992 | CA2052670A1 Variable gate flow analyzing method and apparatus |
04/02/1992 | DE4029620A1 Dispensing method e.g. for fluid, bulk or granular material - using variation of dispenser delivery rate from initial demand dependent value to reduce values near end of process |
04/01/1992 | EP0477811A2 Liquid delivery system |
04/01/1992 | EP0305435B1 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry |
04/01/1992 | CN1059975A Constant flow regulator |
04/01/1992 | CN1016116B Method and apparatus for measuring liquid |
03/31/1992 | US5100100 Fluid control and shut off valve |
03/31/1992 | US5099875 Fluid flow regulator |
03/26/1992 | DE4030159A1 Flow regulating valve with circular gap forming throttle - has piston responding to pressure difference to control orifice under spring pressure |
03/24/1992 | US5098667 Particulate flow control |
03/24/1992 | US5098666 Hydraulic chambers with hermetic seals, feeder pipes, storage containers and controllers |
03/24/1992 | US5097863 Flow control apparatus |
03/19/1992 | WO1992004667A1 Flow controlling device for a discharge system such as a drainage system |
03/18/1992 | EP0475743A1 Pressure-compensated infusion regulator |
03/18/1992 | EP0475097A2 Flow governor |
03/12/1992 | DE4028794A1 Measuring installation choking waste water throughput - contains inductive flow meter, electrically driven slider and electronic controller |
03/11/1992 | EP0473919A1 Device for measurement and dosage of mass flows |
03/11/1992 | CN1059397A Pressure-responsive fluid saving device |
03/04/1992 | EP0473001A1 Device for controlling of fluid flow and for opening a conduit for pressurized liquids |
03/04/1992 | EP0472798A2 Pressure-responsive fluid saving device |
03/03/1992 | US5092739 Distributing a fluid over land |
03/03/1992 | US5092230 Steam infusion float control |
03/03/1992 | US5092227 Apparatus for controlling the ventilation of laboratory fume hoods |
03/01/1992 | CA2194855A1 Process gas distribution system and method |
03/01/1992 | CA2034818A1 Self-adjusting suction regulator |
02/27/1992 | DE4026442A1 Flow regulator for flowing liquids - has elastic annular ring with central journal and is easier to set to desired rate |
02/25/1992 | US5090444 Valve particularly useful for flushing fluid lines |
02/21/1992 | CA2025512A1 Pressure-responsive fluid saving device |
02/20/1992 | WO1992002748A1 Sanitary fittings |
02/19/1992 | EP0471341A2 Flow regulation valve, especially for gasified fluids |
02/19/1992 | CN1015574B Adjustable device for flow |
02/18/1992 | CA1295917C Gas governor apparatus and gas piping system |
02/12/1992 | EP0470743A1 Electrochemical control valve |
02/11/1992 | US5086806 Automatic flow control system and flood protector |
02/06/1992 | DE4024482A1 Flow control valve - has ball control element in bore between inlet and outlet channels with annular gap acting as choke |
02/05/1992 | EP0469391A1 Sanitary armature |
02/04/1992 | US5085248 Flow control device |
01/29/1992 | EP0467914A1 Method for producing a heatable and refrigerable element for a system handling small quantities of liquid, and an element manufactured by the method. |
01/23/1992 | WO1992000813A1 Constant liquid delivery device |
01/23/1992 | WO1992000768A1 Fluid control apparatus and methods |
01/22/1992 | EP0466871A1 Variable air volume ventilating system and method of operating same |
01/15/1992 | EP0465857A2 Stepper motor throttle controller |
01/15/1992 | CN2093414U Heat quantity controller for heating system |
01/14/1992 | US5081600 Loss-in-weight feeder system |
01/14/1992 | US5080131 Mass flow controller |
01/14/1992 | CA1294345C Electronic controlled gas valve and method |
01/09/1992 | DE4020787A1 Producing actual flow value for gaseous medium control - by drawing calibrated flow of atmospheric air into parallel flow subsequently returned to flow channel |
01/08/1992 | EP0464476A1 Flow rate regulating mechanism for gas lighters and similar devices and method of producing a microcell polymer filter for use therein |
01/08/1992 | CN1057713A Flow rate regulating mechanism for gas lighters and similar devices and method of producing microcell polymer filter |
01/08/1992 | CN1015290B Automatic regulating method and apparatus of glass flow in floatation production |
01/07/1992 | US5078173 Droop compensated bypass valve |
01/03/1992 | WO1992000492A1 Method and device for controlling air supply in a network of passages |
01/03/1992 | CA2065252A1 Method and device for controlling air supply in a network of passages |
01/02/1992 | DE4019503A1 Control of regulator valve of central heating system - is based upon valve stove and flow characteristic held in memory |
01/01/1992 | CN2092117U Valve with flow changeable with temp |
12/31/1991 | US5076890 Method for pulp quality control and regulation |
12/27/1991 | EP0462432A2 Integrated process control valve |
12/27/1991 | CA2044980A1 Slurry distributor |
12/18/1991 | EP0252138B1 Adjustable flow regulating valve |
12/18/1991 | CN1057104A Method for producing heatable and refrigerable element for system handling small quantities of liquid, and element manufactured by method |