Patents for G05D 16 - Control of fluid pressure (11,321)
07/1985
07/30/1985US4531707 Pressure control valve for an open hydraulic circuit
07/30/1985US4531706 Pressure operated control installation
07/30/1985US4531540 Servocontrolled pressure limiting valve
07/30/1985CA1191127A1 Actuator system with electric to pressure transducer
07/24/1985EP0149010A2 Digital fluid pressure flow rate and position control system
07/23/1985US4530395 Single zone HVAC controlled for operation in multiple zone arrangement
07/23/1985US4530371 Control of fluid pressure circuits
07/16/1985US4528813 Control system for hydrostatic power transmission
07/10/1985EP0147589A2 Force actuated pressure control valve
07/09/1985US4528251 Differential-pressure control device for a fuel cell
07/09/1985US4527592 Flow control valve for hydraulic circuits
07/09/1985US4527583 Electropneumatic transducer system
07/09/1985US4527445 Automatic control system having manual control engagable at will
07/04/1985WO1985002888A1 Method of and apparatus for controlling gas pressure
07/02/1985US4526155 Pressure regulating system
06/1985
06/26/1985EP0146200A1 Multi-position relief valve
06/25/1985US4524948 Electrically controlled pressure transducer valve
06/25/1985CA1189424A1 Pressure modulating and reducing valve
06/20/1985WO1985002695A1 Combination of a gas pressure regulator and a magnetic safety valve
06/12/1985EP0143931A2 Aeration and air conditioning device for railway coaches
06/11/1985US4522221 Timed flow control valve assembly
06/04/1985US4520838 Valve for high pressure fluid container
05/1985
05/21/1985US4518316 Pressure sustaining apparatus
05/14/1985US4516600 Pressure regulating valves
05/14/1985US4516595 Gas pressure reducing regulator and adapter
05/08/1985EP0140048A2 Electrically controlled pressure transducer valve
05/07/1985US4515176 Solenoid operated pressure regulation
05/02/1985EP0139149A2 Modulating pressure-actuated servo-overpressure valve
04/1985
04/30/1985US4513881 Temperature compensator for pressure regulator
04/30/1985US4513775 Pressure regulator
04/24/1985EP0137932A1 Pressure control system
04/23/1985US4512358 Compact long-life by-pass and pressure unloader valve
04/16/1985US4510962 Precise pressure regulator for a variable output pump
04/09/1985US4510425 Control device for pump apparatus for vehicular use
04/09/1985US4509547 Control system for an electro-pneumatic converter
04/09/1985CA1185124A1 Method and apparatus for regulating fluid flows in parallel-connected conduits, e.g. in furnace installations having air pre-heaters and by-pass conduits
04/03/1985EP0135751A1 Hydraulic device
04/02/1985CA1184851A1 Pneumatic devices with noise dampening
03/1985
03/26/1985US4506690 Pressure regulator system
03/20/1985EP0134486A1 Pneumatic stepping switch
03/20/1985EP0134447A2 Valve for high pressure fluid container
03/19/1985US4505296 Fuel pressure regulator
03/14/1985WO1985001133A1 Electric signal to pressure signal transducer
03/12/1985US4503883 Gas pressure regulator with under and over shut-off
03/12/1985US4503875 Gas high-low pressure control apparatus
03/05/1985CA1183512A1 Proportional solenoid valve
02/1985
02/28/1985WO1985000903A1 Timed flow control valve assembly
02/26/1985US4501290 Pressure regulating mechanically and electrically operable shut off valves
02/19/1985US4500322 Apparatus for regulation of gas feed for gas consumption
02/19/1985US4500035 Expansion valve
01/1985
01/23/1985EP0131683A2 Relay valve
01/22/1985US4494559 Negative pressure control apparatus
01/22/1985CA1181318A1 Multi-stage pressure reducing system
01/22/1985CA1181317A1 Bypass-type differential pressure regulator
01/08/1985US4492526 Compressor drive system
01/08/1985US4492246 Solid state current-to-pressure and current-to-motion transducer
01/02/1985EP0129888A2 Air flow controlling apparatus
01/01/1985US4491153 Pressure reducing valve
01/01/1985US4491149 Pressure regulator with over-pressure safety shut-off feature
12/1984
12/27/1984CA1179883A Space static pressure control
12/25/1984US4489758 Multiple function valve assembly
12/25/1984US4489751 Pressure reducing regulator for oxygen service
12/25/1984US4489749 Pressure regulating device for gaseous and liquid fluids
12/25/1984US4489483 Method of making an electrical current input to a pneumatic signal output transducer construction
12/19/1984EP0128740A1 Pressure regulator
12/18/1984US4488574 Pressure control valve arrangement
12/12/1984EP0127875A2 Servo valve
12/12/1984EP0127717A1 Flow control device with integrated pressure detector
12/11/1984US4487363 Bypass control system to maintain a constant air supply pressure in a HVAC duct system
12/04/1984US4485729 Control of the atmosphere in an enclosure
12/04/1984CA1178870A1 Gas pressure reducing regulator
11/1984
11/27/1984US4484695 Safety pressure reducing regulator
11/27/1984CA1178500A1 Apparatus and method for pneumatically controlling a dynamic pressure wave device
11/13/1984US4481967 Control circuit for current to pressure converter
11/06/1984CA1177357A1 Fluid pressure regulating device
10/1984
10/23/1984US4478250 Pressure control valve
10/17/1984EP0121796A2 Oxygen partial pressure controller for a pressure swing adsorption system
10/16/1984US4476893 Hydraulic flow control valve
10/16/1984US4476888 Overpressure valve
10/16/1984CA1176349A1 Electro-pneumatic signal converter
10/09/1984US4475568 Pressure reducing and regulating valve
10/03/1984EP0120594A2 Electro-pneumatic transducer assemblies
10/03/1984EP0120593A2 Electro-pneumatic control systems
10/02/1984US4474207 Pressure regulator
09/1984
09/19/1984EP0119057A2 Dispenser malfunction detector
09/19/1984EP0118967A1 Apparatus for controlling pressure in a chamber
09/19/1984EP0118937A1 A pressure regulating system
09/19/1984EP0118679A2 Oxygen partial pressure controller for a pressure swing adsorption system
09/19/1984EP0040213B1 Control of the atmosphere in an enclosure
09/18/1984US4471809 Hydraulic control apparatus with an adjustable throttle
09/18/1984US4471802 Pressure regulator assembly with improved cartridge
09/12/1984EP0073797B1 Method of determining an order value for a temperature or pressure regulator in a heat pump
09/11/1984US4470426 Vacuum control valve
09/11/1984CA1174335A1 Reciprocable pump with variable speed drive
09/05/1984EP0117844A2 Pressure-regulating valve with electric control
09/04/1984US4469120 Fluid pressure and signal controller
09/04/1984US4469099 Pneumatic torniquet
08/1984
08/29/1984EP0117039A1 Relief valve assembly
08/28/1984US4467828 Fluid regulator
08/08/1984EP0114816A1 Solenoid operated pressure regulation.