Patents
Sitemap › G05 - Controlling; Regulating › G05D - Systems for controlling or regulating non-electric variables › G05D 7 - Control of flow
Patents for G05D 7 - Control of flow (11,410)
12/1991
12/10/1991US5071065 Procedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedure
12/10/1991US5070902 Lateral orifice water regulator
12/10/1991US5070897 Flow controller
12/10/1991US5070813 Coating apparatus
12/05/1991DE4117611A1 Continuous monitoring equipment for variable air floor - controls electrical motor according to air demand signal and computed efficiency
12/04/1991CN1056742A Fluid lines status sensor system
12/03/1991US5069243 Liquid level control system
12/03/1991CA1292659C Forward direction closing safety valve device for automatically shutting the gas pipeline passage off during pressure reducing failure
11/1991
11/27/1991EP0458224A1 Segmental throttle with float
11/27/1991CN2089642U Automatic constant quantity liquid feeder
11/20/1991CN1056337A Electro-hydraulic method and apparatus for controlling switching values of steam turbine
11/20/1991CN1056333A Hydraulic drilling jar
11/19/1991WO1991018337A1 Automatic control valve
11/19/1991US5065903 Fluid delivery system for controlling fluid flow
11/19/1991US5065695 Apparatus for compensating for non-linear flow characteristics in dispensing a coating material
11/19/1991CA2063832A1 Automatic control valve
11/19/1991CA1292169C Flow control with slotted flow openings
11/19/1991CA1292153C Apparatus and method for dispensing fluid materials using position dependent velocity feedback
11/14/1991WO1991017491A1 Flow rate adjusting method in an air blowing device and device implementing such method
11/14/1991DE4015319A1 IC engine idler control esp. for throttle flap - has two pneumatic motors with interconnected chambers and spring coupled control elements
11/14/1991DE4015318A1 IC engine idle control esp. for throttle flap - contains pneumatic control motor with EM control valve
11/14/1991DE4015200A1 Controller for waste water system - associates delivery device parameters with flow rates measured using single flowmeter with probe
11/13/1991EP0456305A2 Hydraulic drilling jar
11/13/1991EP0403546B1 A device for controlling fluid flow
11/12/1991US5063962 Apparatus for the controlled ventilation of rooms
11/06/1991EP0454714A1 Apparatus and installation for the continuous dosing of a product in powder form
11/06/1991EP0454677A1 Fluid flow controller
11/05/1991US5062446 Intelligent mass flow controller
11/05/1991CA1291784C Airflow switch for air ducts
10/1991
10/30/1991EP0453539A1 Fluid flow control valve
10/29/1991US5061242 Adjustable implantable drug infusion system
10/29/1991US5060914 Method for control of process conditions in a continuous alloy production process
10/29/1991US5060860 Paint conductivity measurement system
10/23/1991EP0452496A1 Constant flow rate valve
10/23/1991EP0452437A1 Control valve.
10/23/1991EP0452332A1 Weighing metering device for free-flowing substances
10/23/1991CN1055586A Industrial pump set with controlled operation conditions
10/23/1991CN1055584A Numerically-controlled compressor with variable operation conditions
10/22/1991CA1290934C Adhesive pump and it's control system
10/15/1991CA1290837C Universal controller for material distribution device
10/09/1991EP0450195A1 Multi-variable regulator having at least four mechanical ports and system provided with such a regulator
10/09/1991EP0450183A1 Method and apparatus for regulating fluid flow
10/08/1991US5056036 Computer controlled metering pump
10/08/1991US5054650 Method of compensating for changes in the flow characteristics of a dispensed fluid to maintain the volume of dispensed fluid at a setpoint
10/08/1991US5054516 Automatic flow control valve
10/01/1991US5052656 Flow control valve unit
10/01/1991US5052442 Device for controlling fluid flow
09/1991
09/25/1991EP0447623A1 Electromagnetic valve
09/24/1991US5050634 Very low differential pressure switch
09/19/1991WO1991011731A3 Inductive flow meter
09/18/1991EP0446920A2 Fluid flow control device
09/18/1991CN2085075U Automatic constant-flow device for fluid
09/17/1991US5048332 Flow meter for measuring fluid flow with multiple temperature sensors
09/14/1991CA2029016A1 Steam infusion float
09/12/1991DE4007282A1 Measurement and control for water outflow from raw overflow tank - contains measurement device in outflow pipe of rain overflow tank with motorised selector and level sensor in static chamber
09/12/1991DE4007050A1 Dispensing appts. for gas or liq. - contains two input chambers communicating with pressure chambers of regulator with dividing membrane
09/10/1991CA1288841C Method of and apparatus for controlling the flow rate of viscous fluid
09/04/1991EP0445101A1 Method for the sealing of insulating glazing assemblies
09/04/1991EP0444269A2 Method for regulating the load of a pump
09/03/1991US5044394 Apparatus for regulating am outflow
08/1991
08/29/1991DE4006186A1 Electrically-operated pump regulation system - corrects rotation rate of electric pump motor dependent on measured flow velocity
08/27/1991US5042209 Process for charging a carrier gas stream with a free-flowing material and process for operating the device
08/22/1991DE4105322A1 Flow regulator for IC engine air intake system - has operating shaft supporting two valve elements controlled by single setting motor
08/13/1991US5038822 Flow rate control valving apparatus
08/13/1991US5038821 Electrochemical control valve
08/08/1991WO1991011762A1 Servovalve apparatus for use in fluid systems
08/08/1991WO1991011667A1 Variable air volume ventilating system and method of operating same
08/08/1991CA2032448A1 Refrigeration system with mass flow limiting device
08/07/1991EP0440201A1 Servovalve apparatus for use in fluid systems
08/07/1991CN1053664A Supervisory control method and apparatus for micropump
08/01/1991CA2035074A1 Servovalve apparatus for use in fluid systems
07/1991
07/31/1991EP0438976A2 Method and device for controlling powder flow in a powder coating installation
07/31/1991EP0438872A2 Self compensation for duty cycle control
07/31/1991CN2081991U Fluid level controller
07/30/1991USRE33649 Butterfly valve having a function for measuring a flow rate and method of measuring a flow rate with a butterfly valve
07/30/1991CA1286908C Air volume regulator valve
07/25/1991WO1991011731A2 Inductive flow meter
07/25/1991WO1991010949A1 Fluid flow regulator
07/25/1991DE4002030A1 Induktiver durchflussmesser Inductive flow meters
07/25/1991CA2053280A1 Inductive flow meter
07/24/1991EP0334874B1 Device for metering at least two flowable reaction components into a mixing chamber
07/24/1991CA2031299A1 Self-compensation for duty cycle control
07/23/1991US5033557 Hydraulic drilling jar
07/16/1991CA1286198C Aseptic constant flow valve
07/09/1991US5029620 Method of operating a gas recovery system and apparatus for employing the method
07/09/1991US5029470 Device for measuring or metering and regulating the mass of a flow of gas
07/09/1991CA1285852C Liquid flow control device in a pipe, namely of a coolant
07/03/1991EP0435711A1 Device for controlling the gas stream delivered by a container for pressure gas and gas feed system comfusing such a device
07/03/1991EP0434723A1 Flow control
07/03/1991CN1052720A 流量控制系统 Flow control system
06/1991
06/26/1991EP0434259A1 Electronic control of fluid flow rate
06/26/1991EP0434092A2 Flow control valve
06/26/1991EP0434003A2 Automated powered flowmeter valves and control thereof
06/25/1991US5026020 Miniature compound lever pinch valve/regulator
06/25/1991CA1285180C Pulverized coal flow control system
06/19/1991EP0433251A1 A method and an arrangement for adjusting the settings of flow regulators
06/19/1991EP0432555A2 Control of polymerization reaction
06/18/1991US5025222 System and method for monitoring substances and reactions
06/18/1991US5024417 Control circuitry for a solenoid operated control valve
06/18/1991US5024105 Viscosity-insensitive variable-area flowmeter
1 ... 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 ... 115