Patents for G05D 7 - Control of flow (11,410)
05/1989
05/17/1989CN2037840U Flow monitor
05/16/1989US4830581 Apparatus for dispensing measured quantities of a liquid material
05/16/1989US4830287 Pulverized coal flow control system
05/16/1989US4830218 Flow compensated pump
05/11/1989DE3736701A1 Method and device for dosing a gas
05/10/1989CN1032840A Metering valve temp. compensation
05/09/1989US4828218 Multiple mode regulator
05/03/1989EP0314653A1 Pressure medium valve
05/02/1989US4827280 Flow rate control system
05/02/1989US4825901 Temperature compensating fluid metering valve
05/02/1989US4825751 Controlled bypass and flow-control valve unit for hydraulic power steering system
05/02/1989US4825747 Method and device for detecting a fluid flow rate
04/1989
04/27/1989DE3820105A1 Ventil zum regeln eines luftstroms Valve for controlling a flow of air
04/26/1989EP0313503A2 Metering valve temperature compensation
04/25/1989US4824073 Integrated, microminiature electric to fluidic valve
04/25/1989US4824025 One-piece in-line pressure compensating drip irrigation emitter
04/25/1989US4824016 Acoustic monitoring of two phase feed nozzles
04/20/1989DE3733642A1 Quantity control valve
04/18/1989US4821515 Control device for liquid or gaseous medium
04/12/1989EP0310642A1 Standard gas flow apparatus
04/05/1989EP0310466A1 Device for proportional control using flow amplification
04/05/1989EP0310193A1 Flow rate meter and automatic animal feeder installation employing such flow meter
04/05/1989EP0309643A1 Actuator for influencing the flow of a gas or a fluid medium
04/04/1989US4817659 Apparatus for automatically metering gas into liquid
03/1989
03/28/1989US4815497 Valve assembly and flow control therefor
03/22/1989EP0308154A2 Universal controller for material distribution device
03/21/1989US4813447 Flow control valve apparatus
03/21/1989US4813443 Method for controllably positioning a solenoid plunger
03/14/1989US4811755 Process for controlling the flow of a gas in a valve and flow generator employing said process
03/08/1989EP0305435A1 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry.
02/1989
02/28/1989US4807664 Programmable flow control valve unit
02/21/1989US4806833 System for conditioning air, method of operating such, and circuit
02/21/1989US4805663 Flow control valve
02/21/1989US4805552 Apparatus for regulating the flow of gaseous and liquid media
02/08/1989EP0302264A1 Automobile coolant flow control
02/07/1989US4803626 Universal controller for material distribution device
02/01/1989EP0301687A2 Temperature compensating fluid metering valve
02/01/1989EP0301568A2 Fluid flow control apparatus
01/1989
01/31/1989US4800925 Automobile coolant flow control
01/26/1989DE3723559A1 Liquid quantity controller
01/18/1989EP0299195A2 Device for measuring and regulating a gas mass flow
01/10/1989US4797820 Programmable flow control valve unit with clock, program, automatic, manual, and repeat modes
01/10/1989US4796803 Air volume regulator valve
01/10/1989US4796660 Drip emitter
01/10/1989US4796651 Variable gas volume flow measuring and control methods and apparatus
01/03/1989US4795314 Condition responsive pump control utilizing integrated, commanded, and sensed flowrate signals
01/03/1989US4794947 A gas through a conduit
12/1988
12/29/1988WO1988010403A1 Procedure and means for controlling volumetric flow rate in air-conditioning installations
12/28/1988EP0296551A2 Valve assembly and flow control therefor
12/22/1988DE3718657A1 Method and device for the start-up of a control loop, particularly for a batch process
12/21/1988EP0295400A1 One-piece in-line pressure compensating drip irrigation emitter
12/20/1988US4792113 Fluid flow control valve
12/20/1988US4791956 Constant flow valve
12/15/1988DE3718146A1 Apparatus for metered discharging of bulk material
12/13/1988CA1246393A1 Machine for discharging granular material
12/13/1988CA1246347A1 Fuel metering system
11/1988
11/29/1988US4787419 Apparatus for controlling the pressure of gases flowing through a conduit
11/29/1988US4787332 Adhesive dispensing pump control system
11/24/1988DE3810056A1 Method and device for volume-flow control
11/23/1988EP0291553A1 Method to control a differential metering balance, especially for bulk materials, and a differential metering balance for carrying out the method
11/23/1988CN88103592A Mthod of and apparatus for measuring liquid
11/17/1988WO1988009005A1 Electronic pump control
11/17/1988EP0291332A1 Electronic pump control
11/17/1988EP0291140A2 Flow control valve apparatus
11/17/1988EP0290889A1 Method of and apparatus for measuring liquid
11/17/1988DE3714642A1 Agricultural appliance combination
11/16/1988CN87103289A Wet sand-aerating machine
11/15/1988US4784580 Airflow control system
11/15/1988US4784130 Flow controller
11/08/1988US4783043 Hydraulic snub valve
11/08/1988CA1244320A1 Throttle hose
11/03/1988DE3713420A1 Apparatus for suction removal of lens debris during ophthalmological cataract operations
11/02/1988EP0288594A1 Flow control apparatus
11/02/1988EP0288588A1 Flow meter
11/01/1988US4781216 Gas regulating valve
11/01/1988US4781161 Setting member for controlling the quantitative flow of a fluid
10/1988
10/26/1988EP0288412A2 Multi-function fuel metering valve
10/25/1988US4779639 Automatic recirculation valve
10/25/1988US4779419 Adjustable flow limiting pressure compensated flow control
10/19/1988EP0287165A1 A machine for spreading material
10/19/1988EP0286649A1 Proportional valve control apparatus for fluid systems.
10/18/1988US4778450 Fluid flow control system
10/18/1988US4777794 Mass flow rate regulation of propellant fluid in the feed system of a bi-propellant, pressure-fed rocket engine
10/18/1988CA1243251A1 Liquid flow controller having pressure balanced piston for delivering constant flow
10/11/1988US4776367 Aseptic constant-flow valve
10/06/1988WO1988007713A1 Apparatus and method for dispensing fluid materials using position-dependent velocity feedback
10/06/1988WO1988007712A1 Standard gas flow apparatus
10/05/1988EP0128149B1 Volumetric control device for fluids
09/1988
09/22/1988WO1988007231A1 A valve assembly
09/21/1988EP0283053A2 Hydraulic valve arrangement
09/21/1988EP0159358B1 Device for regulating the flow of a fluid from a container
09/14/1988EP0281771A2 Temperature compensated fluid flow metering system
09/13/1988US4770212 Pressure compensated flow rate controllers
09/13/1988US4770201 Fluid flow valve
09/07/1988WO1988006727A1 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry
09/07/1988EP0280808A1 Electrohydraulically controlled proportional valves
09/06/1988US4768544 Digital valve flow control system
09/06/1988US4768540 Flow control apparatus
08/1988
08/31/1988EP0279939A1 Method for adjusting the feed volume of a circulation pump
08/30/1988US4766928 Constant flow rate control valve