F15B 13 - Details of servomotor systems

Patents for F15B 13 - Details of servomotor systems (18,792)
12/1994
12/21/1994	EP0629783A1 Combined control of pneumatic and hydraulic valves
12/21/1994	EP0629782A2 Control device for a multiple-way valve
12/21/1994	EP0629711A1 Composite magnetic member, process for producing the member and electromagnetic valve using the member
12/21/1994	EP0629267A1 Fluid-actuated pilot valve, in particular pneumatic valve
12/15/1994	DE4319489A1 Electrohydraulic continuous valve
12/15/1994	DE4319162A1 Hydraulic valve, in particular for controlling a hydraulic actuator in a system for the rolling stabilisation of a motor vehicle
12/14/1994	EP0628731A1 Pilot-actuated servovalve
12/14/1994	EP0628729A1 Directional control valve and a valve assembly using directional control valves
12/14/1994	EP0425684B1 Valve apparatus and hydraulic drive system
12/14/1994	CN2185341Y Electromagnetic combined control valve for tilting oil tank of car
12/13/1994	US5373121 Method and apparatus for saving electrical energy in an hydraulic elevator drive
12/13/1994	US5372060 Hydraulic valve assembly
12/13/1994	CA2048955C Film holder for dental x-ray film developing machine, and film mounting stage for the holder
12/07/1994	EP0627349A1 Valve block
12/07/1994	CN2184811Y Self unloading automobile electromagnetic safe discharging valve
12/07/1994	CN1096083A Switch valve assembly
12/01/1994	DE4417204A1 Pilot-controlled servo valve
12/01/1994	DE4317706A1 Directional seat valve actuated by external force
12/01/1994	DE4317524A1 Valve
11/1994
11/30/1994	EP0626521A1 Manifold valve
11/30/1994	EP0626304A2 Valve arrangement
11/30/1994	CN1026814C Method to make independent from piston wear the fluid tight seal of the inlet and outlet ports of fluid in a hydraulic appliance
11/30/1994	CN1026813C Method and device for the saving of electrical energy for the drive of an hydraulic lift
11/29/1994	US5368061 Load sensed variable discharge fixed displacement pump control with low unload features
11/24/1994	DE4316951A1 Hydraulic drive, in particular a hydraulic traction drive for a vehicle
11/24/1994	DE4316229A1 Hand-actuated pressure regulating valve
11/23/1994	CN2183466Y Rotary valve
11/22/1994	US5366202 Displacement controlled hydraulic proportional valve
11/17/1994	EP0624832A2 Electronic control system for modular structured valve station
11/17/1994	EP0624831A2 Controlsystem to be used in cooperation with fluid actuated systems
11/17/1994	EP0624732A1 Hydraulic control device
11/10/1994	WO1994025770A2 Power sensing regenerator
11/09/1994	EP0623754A2 Hydraulic control system
11/09/1994	CN2182294Y Equivalent control relief valve
11/09/1994	CN2182293Y Control-before-guide pressure valve
11/08/1994	US5361679 Directional control valve with pilot operated poppet valves
11/03/1994	DE4314581A1 Slide valve, in particular continuous valve
11/02/1994	EP0622550A2 Improved servovalve apparatus for use in fluid systems
10/1994
10/31/1994	CA2122552A1 Poppet configuration for counterbalance valve
10/27/1994	DE4313250A1 Hydraulic control device
10/27/1994	DE4312729A1 Valve station
10/26/1994	EP0621407A1 Valve assembly
10/26/1994	CN2180821Y Pressure-keeping vibration-proof valve
10/26/1994	CN2180820Y Hydraulic operation valve for self-discharging lorry
10/25/1994	CA1332692C Hydraulic safety brake valve arrangement
10/25/1994	CA1332691C Hydraulic control valve with pressure sensing means
10/25/1994	CA1332690C Control apparatus for a hydraulic motor
10/20/1994	DE4413190A1 Pressure-relief valve and method of setting an opening pressure at the pressure-relief valve
10/19/1994	EP0620370A1 Hydraulic control valve device and hydaulically driving device
10/18/1994	US5355772 Hydraulic servo unit with solenoid operated valves having variable duty cycles
10/13/1994	DE4311347A1 Directional control valve which in particular can be actuated electromagnetically
10/12/1994	CN1026189C Multi-function proportioning pressure control valve with no pressure difference
10/11/1994	US5353686 Hydraulic circuit for four-position closed-center selector valve controlled by pressure proportional control valve
10/11/1994	US5353684 Hydraulic control device for working cylinders with unequal piston speeds
10/06/1994	DE4311216A1 Adjusting a pressure balance or a hydraulic amplifier of a servo valve by means of a disc translator
10/06/1994	DE4310984A1 Electromagnetically operable hydraulic control valve
10/06/1994	DE4310899A1 Hydraulic by-pass valve
10/05/1994	EP0618372A2 Hydraulic control device with at least one pilot operated checkvalve
10/04/1994	US5351601 Hydraulic control system
09/1994
09/30/1994	CA2120083A1 Remote hydraulic control systems
09/29/1994	WO1994021947A1 Hydraulic control valve
09/29/1994	DE4324025C1 Device for actuating valves
09/29/1994	DE4309695A1 Control device for a multi-way valve
09/27/1994	US5350152 Displacement controlled hydraulic proportional valve
09/27/1994	US5349818 Low deadband marine hydraulic steering system
09/22/1994	DE4406973A1 Slide-valve housing of a hydraulic control device
09/21/1994	EP0321475B1 Load responsive system having synchronizing systems between positive and negative load compensation
09/20/1994	US5348049 Input apparatus
09/20/1994	US5348047 Valve arrangement
09/20/1994	CA2048901C Rotary servo actuator with internal valve
09/15/1994	WO1994020891A1 Valve positioner having adjustable gain
09/15/1994	WO1994020778A1 One-way valve for automatic or manual actuation in holders for chain-saw guidebars
09/15/1994	DE4406815A1 Pneumatic swivel drive
09/15/1994	DE4308084A1 Hydraulic control valve
09/15/1994	DE4308020A1 Hydraulic control valve
09/13/1994	US5345856 Valve positioner having adjustable gain
09/07/1994	EP0432270B1 Pilot valve
09/01/1994	WO1994019611A1 Valve block
08/1994
08/31/1994	CN1091500A Unit for controlling of hydraulic servo driving apparatus
08/30/1994	US5341846 Valve stack assembly
08/30/1994	US5341841 Fluid distribution device
08/25/1994	DE4305607A1 Valve block
08/24/1994	CN1025726C Copper liquid energy recovering device for nitrogenous fertilizer producing
08/23/1994	US5339863 Port mounted implement selector
08/23/1994	US5339777 Electrohydraulic device for actuating a control element
08/23/1994	US5339723 Pressurized fluid actuation system for amplifying operator input force in a surgical instrument
08/18/1994	DE4304796A1 Pilot-controlled pressure-relief valve
08/18/1994	DE4304440A1 Valve
08/18/1994	DE4303498A1 Hydraulic solenoid spool valve
08/17/1994	EP0610501A1 Fluid pressure machine
08/16/1994	US5337786 Slide actuation valve
08/11/1994	DE4340455A1 Sealing arrangement
08/11/1994	DE4303465A1 Hydraulische Baugruppe Hydraulic assembly
08/10/1994	EP0471785B1 Electromagnetic directional control valve
08/09/1994	US5335926 Hydraulic actuating apparatus for opening and closing a vehicle cover with auxiliary manual hydraulic pump
08/09/1994	US5335495 Brake valve
08/03/1994	EP0608821A1 Electrohydraulic actuator
08/03/1994	EP0608415A1 Hydraulic circuit having pressure compensation valve
08/03/1994	EP0608245A1 Electro-pneumatic control device.
08/03/1994	EP0427865B1 Hydraulic driving device of construction equipment

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