Patents for G05D 16 - Control of fluid pressure (11,321)
11/1988
11/01/1988CA1243919A1 Reducing valve equipped with a vapour-liquid separator
10/1988
10/27/1988DE3811669A1 Valve
10/27/1988DE3711999A1 Pressure-reducing valve
10/26/1988EP0288411A2 Variable pressure regulating valve
10/26/1988CN88101956A Automatic water supplying device and method for controlling same
10/25/1988US4779642 Back pressure regulator and valve system
10/25/1988US4779641 Sanitary control back pressure diaphragm valve and sanitary control system employing said valve
10/25/1988CA1243584A1 Coded fluid control system
10/20/1988WO1988008086A1 Hydraulic pressure-regulating device, in particular for powershift gearbox in motor vehicles
10/20/1988DE3810345A1 Hydraulic pressure-control arrangement, in particular for power shift gears of motor vehicles
10/20/1988DE3712091A1 Pressure-reducing valve
10/19/1988EP0287461A1 Demand-responsive regulator for supplying breathing gas
10/19/1988CN88200110U Pilot bellows type relief valve
10/12/1988CN87214653U Plunger limiter of pressure reducing valve
10/11/1988US4777383 Electrically controlled variable pressure pneumatic circuit
10/11/1988US4776368 Fluid pressure regulator
10/05/1988EP0285588A2 A system for controlling automatically the setting of a damper in a ventilation duct
10/05/1988EP0285375A1 Gas quantitiy measuring device
10/05/1988EP0284989A2 Regulator for at least two hydrostatic machines linked to a common pressure pipe
10/05/1988EP0284988A2 Regulator for at least two hydrostatic machines linked to a common pressure pipe
10/05/1988EP0284987A2 Regulator for at least two hydrostatic machines linked to a common pressure pipe
10/05/1988EP0128149B1 Volumetric control device for fluids
10/04/1988US4774976 Modulating hydraulic pressure control valve and assembly method therefor
10/04/1988US4774923 Pressure regulating valve
09/1988
09/29/1988DE3708568A1 Gas pressure regulating device
09/29/1988DE3708492A1 Regulating device for a hydraulic system
09/27/1988US4773443 Pressure reducer
09/27/1988US4773379 Apparatus for controlling pressure-activated actuator, and apparatus for controlling exhaust-gas recirculation
09/22/1988DE3708166A1 Differential pressure valve
09/20/1988US4771674 Device for regulating pressure fluid cylinders
09/15/1988DE3706988A1 Pressure reducer
09/14/1988EP0281937A1 Gas dosing device, especially for medical apparatuses
09/13/1988US4770094 Control valve for regulating a pressure ratio between two pressure systems
09/07/1988WO1988006755A1 Apparatus for operating pneumatically sprung chair seats and the like
09/07/1988EP0280808A1 Electrohydraulically controlled proportional valves
09/06/1988US4768548 Pressure reducer
09/06/1988US4768518 Pressure control system and apparatus for the cuff of an automatic non-invasive blood pressure meter
08/1988
08/30/1988US4766762 Gas regulator with leakage-detecting device
08/24/1988EP0279708A1 Pressure reducer for gas with a pivoting diaphragm
08/18/1988DE3801198A1 Pressure controller having an integrated switching relay
08/17/1988EP0278333A2 Control device for a pipe separator
08/17/1988EP0240541A4 Pneumatic amplifier with negative feedback for current to pressure transducer.
08/11/1988WO1988005939A1 Method of controlling a plurality of machines
08/10/1988EP0277526A2 Expansion valve with an adjustable output pressure
08/10/1988EP0277525A2 Expansion valve with an adjustable output pressure
08/10/1988EP0155953B1 Electric signal to pneumatic signal transducer
08/09/1988CA1240234A1 Priority vacuum control system
08/02/1988US4760866 Combination stop and pressure reducing valve and stop cock version
08/02/1988US4760862 Air pressure regulator
08/02/1988US4760859 Modular pressure instrument
07/1988
07/27/1988EP0276056A2 Valve arrangement for a fluid flow control system
07/27/1988EP0275969A2 Control device for a hydrostatic transmission for at least two users
07/27/1988EP0275968A2 Control device for a hydrostatic transmission for at least two users
07/27/1988EP0275933A2 Pressure control apparatus
07/27/1988EP0275931A2 Expansion valve
07/20/1988EP0275241A2 Improvement to a gas regulator
07/13/1988EP0274408A2 Automatic thermal and speed controls for viscous fluid clutches
07/13/1988CN87108028A Method and apparatus for reduction of pressure in liquid mixture
07/13/1988CN87106970A Photoelectrical autocontrolling pressure apparatus for boiler
07/12/1988US4756330 Flow divider valve
07/12/1988CA1239074A1 Proportional hydraulic solenoid control
07/06/1988CN87106633A Frequecy feedback on current loop of current-to-pressure converter
07/05/1988US4754920 Compact operator for gas control valves
07/05/1988US4754778 Velocity boost body with wrap-around pitot tube
06/1988
06/29/1988EP0272826A1 Control device for a refrigeration circuit
06/29/1988EP0272397A2 Electrohydraulic system with distributed control
06/29/1988EP0272348A1 Gas regulation apparatus having a servo pressure regulator
06/28/1988US4753263 Electrohydraulic regulating valves
06/28/1988CA1238551A1 Timed flow control valve assembly
06/16/1988DE3741065A1 Device for automatically keeping constant the liquid pressure in liquid-carrying conduits, especially at the outlet of centrifugal separators
06/09/1988DE3706579A1 Gas-pressure regulating device with safety shut-off valve
06/08/1988EP0269805A2 Electrically controlled valve device
06/08/1988CN87207497U Power type electric contact pressure gauge
06/07/1988US4749005 Combined gas pressure regulator and shut off valve
06/07/1988CA1237633A1 Priority valve
06/07/1988CA1237618A1 Suction regulator
06/02/1988WO1988003984A1 Method and apparatus for reduction of the pressure in a liquid mixture
06/01/1988DE3639710A1 Method of regulating the differential pressure in a fluid measuring and dosing device as well as a device for implementing the method
05/1988
05/31/1988US4747853 Pressure control
05/31/1988US4747425 3-way pressure reducing valve having means for monitoring the secondary pressure
05/24/1988US4745904 Vacuum controlled variable pressure fuel regulator and carburetor
05/24/1988US4745903 Pressure regulating valve
05/24/1988US4745744 Power transmission
05/24/1988CA1237045A1 Adjustable pressure regulating solenoid valve
05/19/1988DE3639393A1 Pressure control device, especially for pressure medium-actuated brake systems of motor vehicles
05/17/1988US4744542 Hydraulic control apparatus
05/17/1988US4744389 Pressure control device
05/17/1988US4744387 Fluid pressure regulator
05/11/1988DE3637777A1 Pressure-reducing valve
05/11/1988DE3637741A1 Compressed-air generation unit
05/11/1988DE3637409A1 Pressure-reducing valve
05/10/1988US4742845 Fuel pressure regulator valve
05/04/1988EP0266253A1 Gas pressure-reducing valve with a rocking membrane
05/04/1988EP0266007A2 Piston restraining construction of pressure reducing valve
05/03/1988US4741364 Pilot-operated valve with load pressure feedback
05/03/1988US4741360 Fuel pressure regulator
05/03/1988US4741359 For ultra-pure gases
05/03/1988US4741257 Fume hood air flow control
04/1988
04/28/1988DE3636141A1 Pressure regulator, especially a brake cylinder pressure regulator
04/28/1988DE3636140A1 Pressure regulator