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)
04/1981
04/21/1981CA1099689A1 Weigh feeding apparatus
04/15/1981EP0027068A1 Flow stabilizer for a ventilation shaft
04/14/1981US4261388 Drop rate controller
04/14/1981US4261380 Flow regulator having damping means
04/08/1981EP0026586A1 Flow control valve
04/07/1981CA1099002A1 Digital servovalve drive
04/01/1981EP0025871A1 Method for producing a reaction mixture from free-flowable components that constitute foamed or solid plastics
03/1981
03/31/1981US4259038 Method and regulator for controlling the delivery of a pump arrangement according to demand
03/31/1981CA1098605A1 Closed-loop air-fuel mixture control apparatus for internal combustion engines with means for minimizing voltage swing during transient engine operating conditions
03/31/1981CA1098414A1 Flow-regulating valve
03/24/1981US4257746 Dosimeter having a low air flow rate
03/24/1981US4257437 Liquid flow control
03/24/1981CA1098154A1 Shower nozzle for fabric conditioner
03/10/1981US4254791 Flow rate regulator
03/10/1981CA1097075A1 Feed regulator for nutrient film agriculture system
03/03/1981US4253491 Fluid flow regulating valve and system
02/1981
02/24/1981US4252141 Flow control valve
02/24/1981CA1096292A1 Accelerated response for delivery of smoke suppressant to flares
02/17/1981US4251475 Method and apparatus for controlling the proportion of liquid and dry particulate matter added to a pelletizer
02/17/1981US4251193 Flow control valve
02/17/1981US4250919 Constant flow valve
02/17/1981US4250915 Automatic controlling valve for maintaining the rate of fluid flow at a constant value
02/17/1981US4250914 Flow regulator
02/10/1981US4250553 Fluid flow measurement system
02/10/1981US4249876 Control of plastics extrusion
02/10/1981US4249574 Orifice trim and backpressure plate for high pressure valves
02/10/1981CA1095610A1 Liquid spreader control system
02/10/1981CA1095209A1 Extrusion control
02/05/1981WO1981000312A1 Constant flow rate supplying device
02/04/1981EP0023416A2 Hydraulic valve
02/03/1981US4248270 Reduced noise water valve provided with flow control
01/1981
01/27/1981US4247311 Downflow or upflow adsorbent fractionator flow control system
01/27/1981US4246922 Fluid flow control apparatus
01/27/1981CA1094349A1 Apparatus and method for the indirect measurement and control of the flow rate of a liquid in a piping system
01/20/1981US4245669 Self-actuated flow regulator system
01/20/1981CA1094039A1 Weigh feeder system
01/13/1981US4244526 Flow controlled shower head
01/13/1981CA1093659A1 Flow control apparatus and method for gravity fed objects
01/08/1981EP0016010A4 Fluid flow regulating valve and system.
01/06/1981US4243069 Fluid flow regulator
12/1980
12/30/1980US4242051 Feed control system for pumping fluids to dishwashers and the like
12/30/1980US4242009 Apparatus for automatically and selectively discharging saline water
12/30/1980US4241757 Flow regulator
12/30/1980CA1092484A1 Electrohydraulic flow control valve
12/09/1980US4237922 In-line flow control valve
12/02/1980US4236690 Electrohydraulic flow control apparatus
11/1980
11/11/1980US4232703 Safety close-off valve arrangement for pipe conduit systems and installations
11/11/1980CA1089325A1 Flow regulator
11/04/1980US4232255 Delivery control system for vehicle-mounted spreader
11/04/1980US4231386 Differential pressure relief valve
10/1980
10/29/1980EP0018088A1 An in-line flow regulator for a pressurized fluid
10/28/1980US4230149 Fluid flow regulating valve and system
10/28/1980US4230147 Constant flow valve
10/28/1980CA1088649A2 Diesel engine control means
10/21/1980US4228815 Measurement and control of multicomponent liquid systems
10/21/1980US4228683 Method of determining liquid flow in a conduit
10/07/1980US4226344 Constant flow valve actuator
10/07/1980CA1087280A1 Fluid regulating systems
10/02/1980WO1980002072A1 Method and device for keeping constant the flow rate of bulk material
10/01/1980EP0016010A1 Fluid flow regulating valve and system
09/1980
09/23/1980US4223450 Methods and apparatus for controlling gas flows
09/09/1980US4221507 Microbubble feeding apparatus and method
09/09/1980US4221335 Flow controller and support therefor, and flow controller-noise reducer combinations
09/09/1980CA1085339A1 Liquid flow sensing device
09/09/1980CA1085169A1 Constant flow rate fluid supply device, particularly for a spray gun
08/1980
08/19/1980US4218145 Liquid asphalt weigh out system
08/19/1980US4217993 Flow metering apparatus for a fluid infusion system
07/1980
07/29/1980US4214859 Apparatus for regulating the output of a single or twin screw extruder for processing plastics melts
07/29/1980CA1082564A1 Spool type metering valve
07/22/1980US4213744 Hydraulic pump and improved by-pass flow means therefor
07/22/1980US4213454 Control system for metering apparatus for a fluid infusion system
07/15/1980US4212599 Method and device for regulating the output quantity of compressed medium of single and multi-stage screw and turbo compressor systems
07/15/1980US4212590 Method and apparatus for the continuous regulation of rotary hydrodynamic pumps
07/10/1980WO1980001357A1 Pelletizing control
07/09/1980EP0013182A1 Method and apparatus for controlling a pelletizing operation
07/09/1980EP0013065A2 Normally closed pressure compensated flow control valve
07/08/1980US4211340 Catalyst regeneration
07/08/1980US4211254 Normally closed pressure compensated flow control valve
07/01/1980US4210963 Weigh feeder system
07/01/1980US4210172 Apparatus for dispensing fluid under pressure
07/01/1980US4210171 Automatic controlling valve for maintaining the rate of fluid flow at a constant value
07/01/1980US4210138 Metering apparatus for a fluid infusion system with flow control station
06/1980
06/17/1980US4207919 Digital fluid flow control system
06/10/1980US4206781 Self-actuated flow control valve
05/1980
05/27/1980US4205238 Digital electronic apparatus and casette sized for intravenous fluid-flow limiting equipment
05/27/1980US4204612 System for applying foam insulation
05/27/1980CA1078290A1 Flow limiting device for a pipe carrying a fluid or gaseous medium
05/20/1980US4203463 Flow-regulating device for perfusion-transfusion apparatus
05/14/1980EP0010704A1 Downflow or upflow adsorbent fractionator flow control system
05/01/1980WO1980000849A1 Apparatus and method for controlling the rate of feeding a petroleum product to a coking drum system
04/1980
04/29/1980USRE30261 Modulating flow control valve
04/29/1980US4200911 Control of the flow rate and fluid pressure in a pipeline network for optimum distribution of the fluid to consumers
04/29/1980US4199981 Flow control device for fluids flowing in a closed conduit
04/22/1980US4199003 Flow control system with density compensation
04/22/1980CA1075998A1 Fluid flow regulating valve
04/16/1980EP0009909A1 Spray nozzle for a dual-purpose shower system
04/15/1980CA1075489A1 Measurement and control of multicomponent liquid systems
04/08/1980US4197116 Method and apparatus for automatically controlling the rate of flux injection to a converter
04/08/1980US4196753 Flow regulator
04/08/1980CA1075087A1 Variable speed planter seed drive
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