Patents for G05D 7 - Control of flow (11,410)
08/1993
08/10/1993US5234128 Aggregate material spreader
08/10/1993US5234027 Fluid flow inhibitor for use in a static flow system device
08/10/1993US5234025 Partitioned flow regulating valve
08/10/1993US5234012 Petroleum stream control system and method
08/04/1993EP0496803A4 Computer controlled metering pump
08/04/1993EP0321515B1 Procedure and means for controlling volumetric flow rate in air-conditioning installations
08/04/1993CN2139712Y 流量开关 Flow Switch
08/04/1993CA2088709A1 Method and apparatus for flow control nh3
08/03/1993US5232012 Fluid flow control device
08/03/1993US5231841 Refrigerant charging system and control system therefor
07/1993
07/27/1993US5230366 Automatic fluid flow control device
07/22/1993WO1993014451A1 Electronically timed shower controller
07/22/1993WO1993014450A1 Device for regulating the flow rate of a centrifugal pump in a closed network of pipes
07/22/1993DE4201300A1 Controlling compost distribution from tractor-drawn waggon - using hydraulic driven scraper chain conveyor providing regulated discharge
07/22/1993DE4201100A1 Einrichtung zur regelung des foerderstroms einer kreiselpumpe in geschlossenem rohrnetz Means for control of foerderstroms a centrifugal pump in a closed pipe network
07/22/1993DE4200803A1 Sucking gas from liquid connector and feeding back to control vehicle refuelling fuel=air mixture - involves measuring pressure drop in feedback line, using difference between actual and demand vol. flow to control vol. flow.
07/21/1993EP0551479A1 Variable assist gain control apparatus for a servo-assist system
07/20/1993US5228802 Underground drainage facility and operation method therefor
07/20/1993US5228469 Fluid control system
07/15/1993DE4200603A1 Dispensing of charges of medium with specified measurement parameter demand value - using dispensing system with measurement transducer and adjustable extraction device
07/13/1993US5226446 Flow noise reduction
07/13/1993US5226311 Fluid flow generating apparatus
07/07/1993EP0550340A1 Procedure of continuous modulation of a fluid flow with the aid of a sequential electrically commanded valve
07/06/1993US5224524 Multi-variable regulator having at least four mechanical ports and system provided with such a regulator
06/1993
06/30/1993EP0549059A1 Device for making a seam joint in, for example, floor covering
06/30/1993EP0548149A1 Flow controlling device for a discharge system such as a drainage system.
06/30/1993CN1073803A Apparatus for sorting and feeding bead supporters for an electron gun of a cathode-ray tube
06/30/1993CN1073781A Electromechanical integrated digital-control pneumatic regulating valve
06/23/1993CN2136998Y Self-adaptive apparatus for gas flow
06/22/1993US5220940 Flow control valve with venturi
06/15/1993US5218989 Flow control valve
06/10/1993WO1993011383A1 A pressure regulator for maintaining a stable flow level of a fluid
06/09/1993EP0545356A1 Constant flow rate control valve with low pressure drop start
06/09/1993DE4140408A1 Electrohydraulic control of linear hydraulic actuator - has proportional flow control valve responding to pressure feedback to provide load compensating action
06/01/1993US5215497 Fume hood controller
05/1993
05/27/1993WO1993010421A1 Air flow meter for milking machines
05/25/1993US5213132 Automatic regulating valve
05/19/1993EP0541862A1 Apparatus for controlling the ventilation of laboratory fume hoods
05/19/1993DE4239845A1 Paper-making inlet correction - uses correlated measurements from start and end of water extraction stage to calculate the settings
05/19/1993DE4137811A1 Messgeraet zur messung des luftdurchflusses in melkanlagen Meter for measuring the air flow rate through milking parlor
05/19/1993DE4137741A1 Continuous gas flow regulating appts. - in which pressure build-up occurs via inlet valve and preset throttle valve and inlet valve is switched to determine gas mass flow
05/13/1993WO1993009407A1 Method for liquid flow measuring and apparatus to practise this method
05/13/1993DE4136982A1 Diecasting die lubricant spraying - having number of separate spray units on head that can be individually controlled to obtain distribution of fluid over surface
05/11/1993US5209265 Flow control device with restrictor
05/05/1993EP0540079A1 Actuator control of a flow control valve by its characteristic curve
05/04/1993US5207354 Metered fluid valve with switchable outlets
05/04/1993US5207239 Variable gain servo assist
04/1993
04/28/1993EP0538327A1 Fluid control apparatus and methods
04/28/1993CN2131129Y Self-control valve for regulating flow
04/27/1993US5205322 Method and apparatus for flow control for sensor calibration
04/27/1993US5205320 Flow rate control unit
04/20/1993US5203367 Apparatus for supplying liquid under constant pressure
04/20/1993US5203204 Flow regulating apparatus and flow measuring apparatus for porous hydrostatic bearing
04/15/1993DE4211723A1 Fuel injection valve with valve needle and restoring spring mfr. - pressing valve into connector to defined depth, measuring delivered quantity, and adjusting valve insertion depth
04/13/1993US5202951 Mass flow rate control system and method
04/13/1993US5202813 Driver device for a duty solenoid valve
04/13/1993CA2028504C Weigh feeding apparatus for pourable substances
04/07/1993CN2129428Y Gravimetric intelligent-displaying flow-regulating device
04/07/1993CN2129427Y Constant-flow controlling device for sampling pump
04/06/1993US5199853 Pneumatic flow control system
03/1993
03/31/1993EP0534487A2 Vapor recovery arrangement for gasoline dispensing installation
03/30/1993US5197862 Method and device for monitoring radon mitigation system
03/30/1993US5197507 Linear solenoid valve apparatus and method assembling
03/25/1993DE4130295A1 Dispensing system for aggressive fluids or pastes - has double piston pump units operated in synchronised cycle to deliver output keeping pulsation low
03/24/1993CN1070245A 溶液流量调节器 Solution flow regulator
03/23/1993US5196050 Weighing
03/23/1993US5195656 Accurately controlled fluid dispenser with upper and lower stroke adjusters
03/18/1993WO1993005303A1 Pressure compensated flow amplifying poppet valve
03/17/1993CN2128394Y Small constant flow gas pump
03/10/1993EP0530967A2 An improved flow control system
03/04/1993WO1993003946A1 Flow amplifier
03/04/1993DE4129211A1 Motor-driven radial ventilator fan for air conditioner - has pyramidal deflector funnel extending outwards in downstream direction from rim of intake nozzle to casing around fan wheel outlet
03/04/1993DE4129210A1 Motor-driven radial ventilator fan for air conditioner - has adjustable axial gap, broadened or narrowed according to volume flow set-point by intake-pressure-dependent fan wheel displacement
03/03/1993EP0529686A2 Method of compensating for changes in the flow characteristic of a fluid being dispensed from a nozzle
03/03/1993EP0529569A2 Apparatus for controlling the rate of dripping of intravenous fluid
03/02/1993US5190075 Viscosity-insensitive mechanical fluid flow regulator
03/02/1993US5190068 Control apparatus and method for controlling fluid flows and pressures
02/1993
02/24/1993EP0491684A4 Flow control system
02/23/1993US5188337 Control valve with pressure equalization
02/23/1993US5188258 Apparatus reponsive to pressure of a medium which effects fluid discharge for controlling the pressure of the medium and the time the medium acts on the fluid
02/18/1993WO1993003337A1 Flowrate control device
02/17/1993CN1069135A Electromechanical integrated digital controlled metrological valve device
02/16/1993US5186619 Flow rate regulating mechanism for gas lighters and similar devices and method of producing a microcell polymer filter for use therein
02/10/1993CN2126913Y Fluid total flow monitor
02/09/1993US5184641 Flow regulator
02/09/1993CA1313558C Method of setting the output of a pump
02/04/1993DE4125623A1 Einrichtung zum regeln eines volumenstromes Means for control of a flow
02/04/1993DE4125238A1 Flow regulating valve - has flow set by flow restrictor set into pressure balancing piston to maintain constant output over varying load conditions
02/03/1993EP0525547A1 Hydraulic control system for an actuator
02/03/1993CN1068635A Straight tubed and closed flow controlling system for separated air
01/1993
01/31/1993WO1993002905A1 Variable gain servo assist
01/26/1993US5182704 Method and device for regulating the spraying of coating materials
01/26/1993US5181540 Electric multi-point positioner
01/26/1993US5181534 Flow control valve
01/26/1993US5181532 Flow control
01/21/1993WO1993001539A1 Compressed air control system
01/21/1993DE4123969A1 Fluid pressure modifying device for e.g. blood - comprises inflatable tubing, wrapped around elastic conduit, to constrict conduit when inflated
01/19/1993US5179977 Flow control device
01/14/1993DE4123219A1 Fine plaster or paint pump for application to large surfaces - has controllable electric motor driving pump, applicator drum or tube and press. control system
01/13/1993EP0522741A1 Electric multipoint positioner for a rotary component