Patents
Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959)
10/1997
10/22/1997EP0802329A2 Breathing device for a storage tank
10/22/1997EP0802153A1 System for raising and lowering the load support of an electric lift truck
10/22/1997EP0771396A4 Actuator
10/16/1997DE19614263A1 Hydraulic oil filter
10/08/1997EP0800003A2 Water hydraulic proportional control valve
10/07/1997US5673721 Electromagnetic fluid conditioning apparatus and method
10/07/1997US5673605 Motor cavitation prevention device for hydraulic systems
09/1997
09/25/1997DE19704799A1 Quick discharge valve for pneumatic system
09/24/1997EP0797010A2 Hydraulic oil power unit
09/24/1997EP0796952A1 Control system for construction machine
09/23/1997US5669479 Oil supply system for working vehicles
09/19/1997CA2172006A1 Fluid control valve for a hydraulic system operating with variable viscosity, contaminated, fluid
09/18/1997WO1997023733A3 Compact hydraulic unit
09/17/1997CN1159843A Vibrating device for an operating machine for a hydraulic shovel
09/16/1997US5666807 Oil processor circuit
09/16/1997US5666806 Control system for a hydraulic cylinder and method
09/12/1997WO1997033093A1 Single acting pneumatic piston-cylinder unit
09/12/1997CA2247975A1 Single acting pneumatic piston-cylinder unit
09/10/1997CN2262098Y Filter for hydraulic main loop of coal cutter
09/04/1997WO1997032135A1 Control device for hydraulic drive machine
09/03/1997EP0793084A2 A communication control apparatus for controlling comunication between a group of electronic units in vehicles
09/03/1997EP0792417A1 A device for double-acting hydraulic systems
08/1997
08/27/1997EP0791139A1 Heterogeneous energy accumulation or dissipation structure, methods for using such structure and associated apparatus
08/26/1997US5660096 Controlled proportional valve
08/26/1997US5660041 Process for adjusting the characteristics of infinitely variable transmissions of a vehicle
08/20/1997EP0789816A1 Energy recovery device
08/13/1997EP0700485B1 Microvalve
08/13/1997EP0672224A4 Magnetorheological valve and devices incorporating magnetorheological elements.
08/13/1997CN2259519Y Electric-operated electro-hydraulic transducer and its feedback mechanism
08/07/1997DE19602608A1 Hydraulic displacement and force transmission unit
08/06/1997EP0787792A1 Electro-sensitive movable fluids, methods of using the same and motors for the electro-sensitive movable fluids
08/06/1997EP0787318A1 Multiplexing hydraulic control network with latching valves
08/05/1997US5653155 Method and apparatus for single lever control of multiple actuators
07/1997
07/31/1997DE19613029C1 Pressurised medium operated regulated armature drive, esp. for process valve
07/30/1997EP0786600A1 Multiple activation hydraulic system
07/30/1997EP0785861A1 Hydraulic press drive
07/23/1997EP0785312A1 Vibrating device for an operating machine for a hydraulic shovel
07/22/1997US5649422 Hydraulic lift apparatus for a battery driven lift truck
07/17/1997WO1997025533A1 Hydraulic drive
07/09/1997EP0783033A1 Power steering fluid
07/09/1997EP0782673A1 Hydraulic circuit
07/08/1997US5644948 Control valve with a drive operated by a pressure medium and a position controller
07/08/1997US5644915 Control system for a hydraulic press brake
07/03/1997WO1997023733A2 Compact hydraulic unit
07/02/1997EP0782060A1 Microprocessor controlled position regulator
07/01/1997US5642653 On a hydraulic system
06/1997
06/26/1997DE19652706A1 Compact hydraulic unit with hydro-pump driven by air-cooled electric motor
06/25/1997EP0780580A1 Device for producing periodic impulse changes in a fluid flow, method for the operation and the use of the device
06/25/1997EP0779952A2 Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same
06/25/1997EP0660799A4 Multiple ram assembly and recuperative drive system for hydraulic lift.
06/24/1997US5641003 Process for the replacement of a hydraulic fluid contained in a control circuit such as an aircraft circuit
06/24/1997US5640995 Electrofluidic standard module and custom circuit board assembly
06/19/1997WO1997021929A1 Triaxial positioning actuator and control methods using same
06/19/1997DE19651988A1 Hydraulic servo system e.g. for machine oil-cooler temperature control
06/18/1997CN2256484Y Axial-flow regulator
06/17/1997US5638680 Device for double-acting hydraulic systems
06/12/1997DE19544805C1 Electrochemical setting element using electrochemical cell pair e.g. for ventilation flaps, and aircraft control surfaces
06/11/1997EP0778191A2 Device for simultaneous application of force by hydraulic actuators arranged in series
06/10/1997US5636713 Multiple RAM assembly and recuperative drive system for hydraulic lift
06/04/1997EP0777055A2 A power unit for the supply of hydraulic actuators
06/04/1997EP0587902B1 Hydraulically driving system
05/1997
05/28/1997EP0775836A2 Apparatus for controlling selectively engageable detents in a pilot controller
05/28/1997EP0775264A1 Method and apparatus in a fluid-operating system
05/28/1997EP0683864B1 Hydraulic unit
05/23/1997CA2190786A1 Ventilation device
05/22/1997DE19543237A1 Hydraulic setting device e.g. for turning drive
05/20/1997US5630317 Controller for hydraulic drive machine
05/15/1997WO1997017546A1 Pneumo-hydraulic converter for energy storage
05/15/1997WO1997012151A3 Sanitary aseptic drain system
05/15/1997CA2236746A1 Pneumo-hydraulic converter for energy storage
05/14/1997EP0773370A1 Hydraulic controller
05/14/1997EP0773135A1 Adapter for mechanical impedance
05/13/1997US5629849 Method for controlling operation of repeated work of excavator vehicle
05/07/1997EP0771396A1 Actuator
05/01/1997WO1997015438A1 High-speed hydraulic press
05/01/1997WO1997015373A1 Oil container intended in particular for hydraulic steering systems in motor vehicles
04/1997
04/30/1997DE19540441A1 Microprocessor-controlled setting regulator for flow control valve in equipment and plant
04/30/1997DE19539759A1 Ölbehälter, insbesondere für hydraulische Lenksysteme von Kraftfahrzeugen Oil container, in particular for hydraulic steering systems of motor vehicles
04/24/1997DE19642385A1 Electronic control for hydraulic equipment
04/22/1997US5622217 Injection apparatus for a die casting machine
04/17/1997WO1997013929A1 Control system for construction machine
04/17/1997CA2201626A1 Control apparatus for construction machine
04/16/1997CN1147847A Hydraulic controller
04/03/1997WO1997012151A2 Sanitary aseptic drain system
04/03/1997WO1997012150A1 Electromagnetically actuated directional valve
04/02/1997EP0766086A2 Multiple element particle sensor and signal processing electronics
04/01/1997US5616965 For controlling/adjusting unit in a motor vehicle
03/1997
03/27/1997DE19545021A1 Elektromagnetisch betätigtes Wegeventil A solenoid directional valve
03/26/1997EP0764241A1 Hydraulic power cylinder
03/20/1997WO1997010444A1 Hydrostatic drive control device
03/20/1997DE19534210A1 Ending movement and power of working operation of machine
03/19/1997EP0763679A2 Control system with temperature compensation
03/19/1997CN1145457A Liquid pump
03/04/1997US5608316 Apparatus for detecting particles in a fluid and a method for operating same
02/1997
02/27/1997DE19629873A1 Hydraulic unit with sealing and filtering element
02/11/1997US5600953 Compressed air control apparatus
01/1997
01/29/1997CN2246207Y Processing device of compressed air users
01/29/1997CN1141396A Driving loop with fluid presure as power device
01/23/1997WO1997002432A1 Control system for a hydraulic cylinder and method
01/07/1997US5590685 High-low indicator