Patents for G05D 16 - Control of fluid pressure (11,321)
10/1990
10/03/1990CN2063249U Setting-type single-pressure controller
09/1990
09/27/1990DE3909039A1 Pressure regulator
09/25/1990US4958636 Vital signs monitor pumping system
09/25/1990CA1274445A1 Control regulator having a fabric reinforced diaphragm
09/20/1990WO1990010901A1 Variable pressure control valve
09/20/1990WO1990010811A1 Pressure control valve
09/18/1990US4957136 Non-flowing modulating pilot operated relief valve
09/05/1990EP0385922A2 Bubbler valve
09/05/1990EP0385759A2 High temperature and high pressure digestion vessel assembly
09/05/1990EP0385709A2 Fluid flow control method and apparatus for minimizing particle contamination
09/05/1990EP0385286A2 Variable force solenoid pressure regulator for electronic transmission controller
09/05/1990EP0385029A2 Line pressure regulator
09/05/1990CN2061635U Piston-type gas reducer
09/05/1990CN1045166A Line pressure regylator
09/04/1990US4953582 Combined pressure regulator and relief valve having a single biasing means
09/04/1990US4953578 Dual mode pneumatic control system
09/03/1990CA2007565A1 Bubbler valve
08/1990
08/30/1990DE3905959A1 Pilot-controlled pressure-reducing valve
08/30/1990DE3905937A1 Method and apparatus for controlling a solenoid (electromagnetic) valve
08/29/1990EP0384888A1 Drilling device
08/28/1990US4951705 Two-wire I/P converter with energy storage
08/28/1990US4951698 Process and devices for maintaining the gas contained in a submerged enclosure in pressure equilibrium with the outside
08/22/1990CN1009302B Pressure reducing valve with pressure automatic setting
08/22/1990CN1009301B Self-regulated presure control valve
08/21/1990US4949754 Pressure control valve for railway vehicles
08/21/1990CA1272912A1 Method and a device for regulating pressure fluid cylinders
08/14/1990US4948931 Combined pressure cutoff and pressure relief valve
08/14/1990US4947893 Variable force solenoid pressure regulator for electronic transmission controller
08/14/1990US4947887 Proportional solenoid valve
08/14/1990US4947734 Method of duty-ratio control for hydraulically actuated slip control lock-up clutch and transmission
08/09/1990WO1990008943A1 Indicating device for rotatably mounted component parts
08/09/1990WO1990008914A1 Device for controlling electromagnetic device having a proportional solenoid
08/09/1990DE3906683C1 Lubricant quantity limiter
08/08/1990EP0380556A1 Modulating hydraulic pressure control valve.
08/02/1990DE3902137A1 Pressure-control device for regulating units, in particular in motor vehicles
07/1990
07/31/1990US4944249 For a dual pressure cow milking arrangement
07/25/1990CN2059702U Automatic pressure adjustment water-saving valve
07/24/1990US4942899 Cartridge pressure regulator
07/12/1990WO1990007665A1 Cartridge-type direct loaded safety and pressure relief valve having flow path for preventing supersonic flow and minimizing valve hysteresis
07/10/1990US4940291 Method and apparatus for controlling hydraulic braking pressure for a vehicle
07/04/1990EP0376734A1 Non-flowing modulating pilot operated relief valve
07/03/1990US4938252 Electrically actuated valve, in particular throttle valve
07/03/1990US4938119 Valve means
07/03/1990US4938118 Control valve
07/03/1990CA1271140A1 Integrated, microminiature electric-to-fluidic valve and pressure/flow regulator
06/1990
06/29/1990CA2006940A1 Cartridge-type safety and pressure relief valve
06/27/1990EP0375093A2 Sensitive electrical to mechanical transducer
06/26/1990US4936342 Fuel pressure control valve device
06/26/1990US4936341 Pressure regulator
06/26/1990US4936340 Pressure regulator
06/26/1990CA1270725A1 Differential pressure control valve
06/26/1990CA1270723A1 Hydraulic pressure reducing control valve
06/26/1990CA1270721A1 Pressure reducing valve
06/23/1990CA2005111A1 Sensitive electrical to mechanical transducer
06/20/1990EP0373551A2 Pressure-regulating unit, especially for automotive vehicle braking systems
06/20/1990CN1043193A Power unit control method and power unit control system
06/19/1990US4934399 Pipeline pressure control system
06/19/1990US4934156 Evaporator pressure regulating valve controlled by an auxiliary force for a refrigerator installation
06/13/1990CN2058222U Lpg safety pressure reduction valve
06/13/1990CN1043010A Digital cone valve
06/12/1990US4932844 Control section for a control system for controlling the internal volume of a rotary compressor
06/12/1990US4932840 Control apparatus of variable delivery pump
06/12/1990US4932630 Electropneumatic vacuum supply assembly
06/12/1990US4932430 Adjustable two-stage fluid pressure regulating valve
06/07/1990DE3840865A1 Pressure reducing valve
06/07/1990DE3828776A1 Method and device for the determination and regulation of the pressure in pneumatically actuable devices of a pneumatic guidance system
06/06/1990EP0371507A2 Liquid transfusion apparatus
06/06/1990CN1042773A Improvements in and relating to sensors
06/05/1990US4931816 Internal pressure adjusting mechanism for underwater and waterproof products
06/05/1990US4930992 Control apparatus of variable delivery pump
06/05/1990US4930746 Fluid control device
05/1990
05/30/1990EP0370667A2 Current to pressure transducer with enhanced performance features
05/30/1990EP0370195A1 Fluidic set point amplifier apparatus and method, and uses thereof
05/29/1990US4928730 Proportional electromagnetic valve having amplifier therein
05/29/1990US4928729 Fuel pressure regulator valve
05/29/1990US4928494 Refrigeration system
05/23/1990EP0369570A1 Improvements in and relating to sensors
05/23/1990EP0369412A2 Fluid pressure controller
05/23/1990DE3839146A1 Pilot-controlled gas pressure regulator
05/23/1990CN1008130B Multifunctional floating pressure control valve
05/22/1990US4926896 Sensitive electrical to mechanical transducer
05/22/1990CA1269289A1 Multi-adaptive fuel pressure regulator
05/17/1990DE3838353A1 Electric amplifier for actuating valves
05/16/1990CN2057255U Indicating pressure regulator for liquefied petroleum
05/15/1990US4924926 Central tire inflation system
05/15/1990US4924904 For a stream of fluid
05/09/1990EP0367276A1 Road sweeper with suction means
05/08/1990US4923170 Hydraulic pressure control valve
05/03/1990DE3836878A1 Safety shut-off valve
05/03/1990DE3836613A1 Method for the control of the output pressure of a gas-technological system having a pipework system connected downstream
05/01/1990US4921547 Proportional priority flow regulator
05/01/1990US4921215 Reducing valve assembly with spherically shaped operating part
05/01/1990US4921006 Vacuum regulator apparatus
05/01/1990CA1268392A1 Flapper actuated pilot valve
04/1990
04/26/1990DE3934885A1 Treiberschaltung fuer ein elektromagnetisches fluessigkeits-regelventil Driver circuit for an electromagnetic fluid control valve
04/25/1990EP0364445A1 Apparatus for operating pneumatically sprung chair seats and the like
04/19/1990WO1990003750A1 Body support system
04/17/1990US4917349 Valve, and set point pressure controller utilizing the same
04/17/1990US4917150 Solenoid operated pressure control valve
04/17/1990US4917144 Modulating pilot operated safety relief valve for low pressure application