Patents for G05D 7 - Control of flow (11,410)
10/1987
10/06/1987US4697616 Fluid flow control apparatus
10/06/1987US4697613 Pressure compensated flow rate controllers
10/06/1987US4697607 Procedure and means for making the effect of gravity the same in flow regulators independent of the installation mode
10/01/1987DE3610002A1 Volumetric-flow measuring and control system
09/1987
09/30/1987EP0238816A1 Control valve
09/23/1987EP0237624A2 Actuator for controlling a fluid-flow
09/22/1987US4694854 Device for regulating the discharge of fluid from a container
09/22/1987US4694852 Flow regulating valve for controlling the flow of corrosive fluids
09/22/1987US4694851 Flow regulator and its use
09/16/1987EP0237390A1 Method for controlling fluid flow through a valve and apparatus for carrying out this method
09/16/1987EP0236308A1 Vacuum vapor transport control
09/09/1987EP0235896A1 Electromagnetic flow coupler for regulating flow rate/pressure
09/08/1987CA1226508A1 Dual mode gas sampler and pneumatic flow control system
09/03/1987DE3604267A1 Device for rate of flow limitation, metering and admixture of liquid and gaseous substances
09/02/1987EP0234797A1 Improvements in or relating to gas pressurised dispensing containers
09/01/1987US4691187 Variable linear resistor
09/01/1987US4690163 Method and apparatus for regulating fluid flow
08/1987
08/27/1987WO1987005133A1 Device for automatic dosage of gas into liquid
08/27/1987WO1987004951A1 Adhesive dispensing pump control system and pump
08/25/1987US4688996 Electromagnetic flow coupler for regulating flow rate/pressure
08/19/1987EP0144369B1 Flow regulator
08/18/1987US4687020 Fluid mass flow controller
08/13/1987DE3703111A1 Device for dosing liquid
08/12/1987EP0231217A1 Thrust regulator comprising a mounting housing.
08/11/1987US4685331 Thermal mass flowmeter and controller
08/05/1987EP0230822A1 Flow regulating distribution circuit
08/05/1987EP0230715A1 Variable rate flow controller
08/05/1987CN86204969U Automatic controlling device for titration experiment
08/04/1987US4683907 Valve for the interception and regulation of flow with a fixed tubular sealing element
07/1987
07/29/1987EP0229817A1 Method and device for regulating a fluid flow to hydraulic or pneumatic drive means
07/28/1987CA1224860A1 Controlled flow rate intravenous apparatus employing shape-memory flow-control element
07/22/1987EP0229632A2 Flowmeter-controlled valving
07/22/1987CN86108708A Control system and method for gas-making process in gas-making furnace
07/21/1987CA1224554A1 Flow rate control system
07/21/1987CA1224446A1 Liquid flow rate controller
07/16/1987WO1987004277A1 Adjustable flow regulating valve
07/15/1987EP0228514A1 Aseptic constant flow valve
07/14/1987US4679595 Device for controlling the flow in a pipe system
07/14/1987US4679585 Flowmeter-controlled valving
07/14/1987US4679579 Method and apparatus for controlling the pressure of gases flowing through a conduit
07/14/1987CA1224101A1 Precision medication dispensing system and method
07/08/1987CN86207203U Automatic continual burden proportion-regulating unit
07/08/1987CN85204970U Quantitative liquid pump with digital phase-lock loop controlling the liquid flow
07/07/1987US4678005 Flow regulator
07/06/1987EP0188461A4 Liquid flow controller having pressure balanced piston for delivering constant flow.
07/01/1987EP0227316A1 Dampers
06/1987
06/30/1987CA1223575A1 Method and device for injecting a liquefied pressurisation gas into containers
06/24/1987EP0225996A1 Flow rate control system in fluid supply and drain apparatus
06/23/1987US4674531 Flow regulator
06/16/1987US4672997 Modular, self-diagnostic mass-flow controller and system
06/09/1987US4671097 Calibration system for the calibration of mass flow controllers
06/09/1987CA1222804A1 Airflow control apparatus
06/04/1987DE3639161A1 Dosing arrangement
06/02/1987US4670138 Apparatus for controlling an infinitesimal flow rate of fluid
06/02/1987US4670007 Fluid flow control process and apparatus
06/02/1987US4669495 Adjustable flow regulating valve
05/1987
05/26/1987US4667700 Apparatus for throttling flow limitation in water fittings
05/19/1987US4666732 Process for the control and adjustment of the flow of a viscous liquid in an apparatus which automatically emits the viscous liquid in the form of a seam
05/06/1987EP0220332A1 Method and circuit for timing chemical dispenser operation
05/05/1987US4662798 Method and a device for measuring and/or regulating the mass flow of solid particles
05/05/1987US4662601 Hydraulic valve means
04/1987
04/29/1987CN86200994U Fixed quantity liquid supplier, time pulse controlled with step-switch
04/22/1987EP0218588A1 A calibration system for the calibration of mass flow controllers.
04/22/1987CN85107722A Program controlling automatic valve
04/21/1987US4659062 Flowgrid regulator
04/21/1987US4658855 Mass flow controller
04/07/1987US4655246 Regulated gas flow control valve
04/07/1987US4655245 Hydraulic fuse
04/07/1987US4655240 Hydraulic volumetric proportioning valve
04/01/1987EP0216382A2 Gas supply system for variable demand application
03/1987
03/26/1987WO1987001614A1 Vacuum vapor transport control
03/25/1987EP0215541A1 Pressure-responsive pilot valve
03/24/1987US4651780 Apparatus for visually monitoring and controlling the liquid flow in a pressure line
03/24/1987US4651730 Gas metering device for medical apparatus
03/24/1987US4651729 Fluid flow regulator
03/19/1987DE3628899A1 Flow regulator
03/17/1987US4649951 Assisted slide for pressure compensation in a hydraulic distributor
03/17/1987US4649760 Method and apparatus for controlling flow volume through an aerosol sampler
03/10/1987US4648424 Liquid flow rate controller
03/03/1987US4646941 Mechanism for discharging granular material
03/03/1987CA1218640A1 Piezoelectric fluid control device
02/1987
02/26/1987WO1987001172A1 Valve for the addition of water to electrochemical accumulator batteries
02/25/1987EP0077770B1 Pulse width modulated constant current servo driver
02/19/1987DE3624470A1 Method and device for improving a web-drying process
02/19/1987DE3528781A1 Proportional choke valve
02/17/1987US4644238 Airflow control apparatus
02/17/1987US4643353 Air conditioning control system with enhanced operating range
02/11/1987CN86105193A Valve for the addition of water to electrochemical accumulator batteries
02/10/1987US4641683 Valve arrangement for controlling the flow of mediums
02/04/1987EP0210170A1 Digital electro-hydraulic valve arrangement
02/03/1987US4640310 Variable air-piloted air regulator system
02/03/1987US4640095 Digital electro-hydraulic valve arrangement
02/03/1987US4640093 Fuel metering system
01/1987
01/29/1987WO1987000588A1 Method and device for regulating a fluid flow to hydraulic or pneumatic drive means
01/29/1987WO1987000513A1 Thrust regulator comprising a mounting housing
01/27/1987CA1217260A1 Airflow control system
01/20/1987US4638233 Method of establishing a preferred rate of air flow, method of determining torque, and apparatus
01/20/1987US4637546 Pneumatic differential pressure controller
01/20/1987US4637525 Control system for controlling the supply of a predetermined quantity of fluid
01/20/1987US4637428 Fluid flow control valves