Patents for G05D 16 - Control of fluid pressure (11,321)
04/1988
04/27/1988EP0265037A1 Method and apparatus for controlling the automatic inflation of tires for testing
04/26/1988US4739795 Flow control valve
04/26/1988US4739787 Method and apparatus for improving the yield of integrated circuit devices
04/19/1988CA1235358A1 Gas pressure reducing regulator and adapter
04/14/1988DE3633660A1 Safety device in diaphragm gas pressure controllers
04/13/1988CN87209506U Pneumatic component
04/12/1988CA1235042A1 Pressure-reducing apparatus
04/07/1988WO1988002510A1 Process and device for the control of safety valves
04/07/1988WO1988002509A1 Frequency feedback on a current loop of a current-to-pressure converter
04/07/1988WO1988002508A1 Cascade-based method of controlling a fluid flow
04/06/1988CN87206876U Shock-resisting pressure controlling apparatus
03/1988
03/30/1988EP0261972A2 Integrated, microminiature electric-to-fluidic valve and pressure/flow regulator and method of making same
03/29/1988CA1234612A1 Differential pressure control apparatus
03/22/1988EP0215053A4 Flapper actuated pilot valve.
03/09/1988EP0258291A1 Modulating pressure operated pilot relief valve
03/08/1988US4729721 Valve arrangement with at least two diaphragms
03/08/1988US4729398 For governing the valved condition of a supply of fluid
03/08/1988US4729397 Electromagnetic control valve for a pressure fluid and associated method
03/02/1988EP0257690A2 Piston structure for a pressure reducing valve
03/02/1988EP0257430A1 Control device for a low or high pressure
03/02/1988CN86105114A Positioning and raising device of ball with motive wind
03/01/1988US4728869 Pulsewidth modulated pressure control system for chemical vapor deposition apparatus
03/01/1988CA1233392A1 Pressure regulator with friction dampener
02/1988
02/24/1988EP0256114A1 Fluid pressure regulation and method
02/24/1988CN87105543A Piston structure of reducing valve
02/16/1988US4724865 Control circuit for proportional electro-hydraulic fluid control valves
02/16/1988US4724859 Self-lapping type valve device
02/11/1988DE3626487A1 Gas pressure regulating device in connection with a base plate
02/09/1988US4723725 Pressure reducer/regulator for dispensing a gaseous, liquid, viscous, powdery or pasty product
02/09/1988US4723571 Fluid supply apparatus
02/04/1988DE3626043A1 Pressure-reducing valve
02/04/1988DE3624999A1 Single-seat valve
02/03/1988CN87104851A Self-requlated presure control valve
02/02/1988US4722361 Modulating pressure operated pilot relief valve
02/02/1988US4722360 Fluid regulator
02/02/1988US4722312 Electro-pressure conversion control device
02/02/1988CA1232181A1 Pressure-regulating valve with a force-feedback
01/1988
01/28/1988WO1988000694A1 Automated gas-liquid relative permeameter
01/27/1988EP0254483A2 Solenoid-operated fluid pressure regulator valves
01/21/1988DE3723284A1 Automatisches druckreduzierventil Automatic pressure reducing valve
01/20/1988EP0252955A1 Pressure regulator with integrated pick-off.
01/20/1988CN85106699B Controller of braker operating under nagative pressure
01/19/1988US4720807 Adaptive pressure control system
01/19/1988US4719940 Adjustable tied-diaphragm gas pressure regulator
01/14/1988WO1988000317A1 Flame cutting machine with a flame cutter and supply lines for the heating oxygen, heating gas and cutting oxygen
01/14/1988DE3716364A1 Pressure-equalisation valve
01/14/1988DE3622446A1 Brennschneidmaschine mit einem schneidbrenner und zufuehrungen fuer heizsauerstoff, heizgas und schneidsauerstoff Cutting machine with a cutting torch and supplies for heating oxygen, fuel gas and oxygen cutting
01/13/1988EP0252626A2 Pressure control
01/12/1988US4718824 Usable device, in particular for the pumping of an extremely viscous fluid and/or containing a sizeable proportion of gas, particularly for petrol production
01/07/1988EP0251766A1 Apparatus for providing calibrated gas pressure
01/07/1988EP0251438A2 Adjustable tied-diaphragm gas pressure regulator
01/07/1988EP0251416A1 Deep-forming press
01/07/1988EP0104209B1 Central heating circulation pump for alternating current and system comprising such a pump
01/07/1988DE3622212A1 Pressure-regulating device, particularly for a pressure-actuated motor-vehicle brake system
01/05/1988US4716929 Flow control valve
12/1987
12/29/1987US4715397 Pressure regulator
12/29/1987US4715396 Proportional solenoid valve
12/23/1987EP0249797A2 Pressure-regulating valve
12/22/1987US4714296 Hydraulic control valve
12/17/1987DE3719351A1 Gasregler-modulator fuer wandboiler Gas regulator Modulator for wall boiler
12/17/1987DE3620195A1 Hydraulic continuous valve
12/09/1987EP0248411A2 Fuel pressure regulator
12/08/1987US4711275 Air supply and control apparatus for inflatable mattress
12/01/1987CA1229767A1 Electric signal to pressure signal transducer
11/1987
11/25/1987EP0246944A1 Gas-pressure reducing valve and its production method
11/24/1987US4708156 Fuel burner pump assembly
11/24/1987CA1229541A1 Pressure regulator
11/19/1987EP0245963A2 Gas pressure reducing regulator
11/19/1987EP0245911A2 Pressure transmitter
11/19/1987DE3616828A1 Device for adjusting the line of action of the force of a helical spring
11/10/1987US4705067 Electric-to-pressure transducer
11/10/1987US4705066 Space static pressure control
11/10/1987CA1229150A1 Solid state current to pressure transducer
11/05/1987WO1987006732A1 Method of operating a system
11/04/1987EP0243527A1 Method for regulating and/or controlling the pressure in a vessel
10/1987
10/27/1987US4702287 Method and apparatus for controlling the automatic inflation of tires for testing
10/27/1987US4702273 Electrically controlled starter air valve
10/22/1987DE3612756A1 Pressure regulator for regulating a pressure according to a guide pressure
10/22/1987DE3611869A1 Regulator, in particular for gas engines
10/21/1987EP0241870A2 Hydraulic control device
10/20/1987CA1228279A1 Fuel pressure regulator
10/14/1987EP0240541A1 Pneumatic amplifier with negative feedback for current to pressure transducer.
10/13/1987US4700205 Hydraulic servomechanism for controlling the pressure of writing fluid in an ink jet printing system
10/13/1987US4699570 Vacuum pump system
10/13/1987US4699355 Fail-safe fluid piloted valve positioner with hydromechanical position lock
10/13/1987US4699175 Flapper actuated pilot valve
10/13/1987US4699167 Electric valve
10/13/1987CA1227949A1 Light pipe and heater apparatus
10/08/1987DE3714065A1 Gas pressure control combination for adjustable output pressures
10/06/1987CA1227723A1 Pressure regulator
09/1987
09/29/1987US4696320 Pressure control valve with push-pull locking adjustment knob
09/29/1987CA1227395A1 Modulating pressure operated pilot relief valve
09/24/1987DE3707698A1 Flow-dividing valve
09/24/1987DE3609391A1 Device for changing the spring rate of a control spring
09/22/1987US4694520 Fluid support system
09/22/1987CA1227104A1 Gas pressure regulator with reversible setting rod
09/16/1987EP0236608A1 Improvements in and relating to water supply systems
09/16/1987EP0083587B1 Apparatus for regulation of gas fed for gas consumption
09/15/1987US4693275 Electro-hydraulic pressure regulating valve
09/15/1987US4693272 Post pressure compensated unitary hydraulic valve