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)
04/1996
04/18/1996DE19537758A1 Implement for emptying and drying hydraulic systems
04/17/1996EP0706615A1 Power sensing regenerator
04/17/1996CN2224946Y Pressure self-compensating and floating sealing unit of hydraulic cylinder
04/11/1996DE4435870A1 Ventil, insbesondere für Wasser- oder Emulsions-Hydraulik Valve, in particular for water or hydraulic emulsion
04/11/1996DE19536398A1 Motor vehicle hydraulic system adaptive control method
04/11/1996DE19535972A1 Pneumatic height-adjustable vehicle suspension compressed-air supply system
04/03/1996EP0704628A1 Motor cavitation prevention device for hydraulic system
04/02/1996US5503216 Continuous casting mold for the casting of thin slabs
04/02/1996US5503098 Air-purging device for hydraulic boat steering arrangements
04/02/1996US5502965 Device for generating operating states characterized by differences in height in mechanical actuators
03/1996
03/21/1996DE4438709A1 Mechanical=hydraulic lift for lifting people and loads
03/19/1996US5500580 Integrated compliance servovalve
03/14/1996WO1996007836A2 Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same
03/14/1996DE4431103A1 Hydraulische Betätigungseinheit Hydraulic control unit
03/14/1996CA2199496A1 Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same
03/13/1996EP0701067A2 Hydraulic system
03/13/1996EP0700485A1 Microvalve
03/13/1996EP0700348A1 Hydraulic systems for winches
03/12/1996US5497805 Drive control system for hydraulic machine
03/12/1996CA2161619A1 Arrangement for preheating hydraulic circuits
03/07/1996WO1996007029A1 Hdyraulic actuating unit
03/07/1996DE4431341A1 Fuzzy logic control of electrohydraulic sequence or slave system for vehicle hydrostatic pumps and motors
03/05/1996US5495871 Multiple valve manifold with plural power supplies
02/1996
02/29/1996DE4430245A1 Pressure dividing cylinder group for hydraulic systems
02/27/1996US5494075 Hydraulic time delay valve
02/27/1996US5493861 Hydraulic system with pump and load
02/27/1996US5493860 Method for flushing a closed loop hydraulic system
02/27/1996US5493798 For controlling a work implement of an excavating machine
02/21/1996CN1117309A Hydraulic unit
02/14/1996CN2219980Y Hydraulic detecting cooler for gas-making furnace
02/13/1996US5490385 Valve range
02/07/1996EP0695572A2 Oil separator
02/07/1996CN2219392Y Air pressure rod inflator
02/01/1996WO1996002764A1 Actuator
01/1996
01/18/1996DE4424881A1 Cooler for liq. and gaseous media for stationary and mobile hydraulic systems
01/15/1996CA2129590A1 Automatic leveling system for blasthole drills
01/09/1996US5481874 Exhaust pressurizing circuit including flow amplification
12/1995
12/27/1995EP0688957A1 Pneumatic bus
12/26/1995US5477677 Energy recovery device
12/14/1995DE4412388A1 Current-loop powered electropneumatic actuator controller
12/13/1995CN2215044Y Compensation valve of air pressure regulating unit
12/07/1995WO1995033137A1 Hydraulic power cylinder
12/07/1995DE4419213A1 Hydraulic actuating cylinder
12/06/1995EP0532502B1 Negative load control and energy utilizing system
11/1995
11/29/1995EP0683864A1 Hydraulic unit.
11/29/1995CN1112785A Procedure for operating an elevator and elevator machinery
11/25/1995CA2149950A1 Pneumatic bus
11/23/1995DE4417587A1 Regulating magnet for electrohydraulic controlled devices
11/21/1995US5467800 Low inertia servo valve
11/15/1995EP0417087B1 Electrohydraulic control method
11/15/1995CN2212676Y 流体阻尼器 Fluid damper
11/15/1995CN1111728A Device for operating hydraulically operated fittings
11/14/1995US5465746 Pneumatic circuit to provide different opening and closing speeds for a pneumatic operator
11/09/1995DE4416173A1 Hydraulic lifting system for battery operated ground conveyor vehicle
11/09/1995DE4415945A1 Hydraulic-pneumatic installation for vehicle or machinery
11/08/1995EP0680565A1 Hydraulic system with pump and load
11/07/1995US5464085 Solenoid operated hydraulic valve
11/07/1995CA2148788A1 Filter arrangement for single-acting telescopic hydraulic cylinders
10/1995
10/26/1995DE19515169A1 Türschließer für eine Brandschutz-Sicherheitstür Closer for a fire-safety door
10/18/1995EP0448716B1 Teaching/playback method of working machine
10/18/1995EP0440802B1 Device for controlling hydraulic pump
10/18/1995CN2210274Y Pressure message device for oil filtration aparatus
10/17/1995US5458048 Electro-pneumatic control device
10/17/1995US5457960 Hydraulic control system
10/10/1995US5457594 Electropneumatic control device
10/10/1995US5456078 Method of purging a hydraulic system
10/10/1995US5456077 Remote unloader hydraulic valve system
10/05/1995DE4440310A1 Shock preventer for machines with hydraulic and/or pneumatic drives
10/04/1995EP0675291A1 Fluidic or electric actuator with a control
09/1995
09/28/1995DE19510634A1 Automatic control of work mechanism of excavating machine
09/26/1995US5452745 Magnetorheological valve and devices incorporating magnetorheological elements
09/26/1995US5452579 Hydraulic system with pump and load
09/21/1995DE4409305A1 Seal in pressure transformer
09/20/1995EP0672224A1 Magnetorheological valve and devices incorporating magnetorheological elements
09/20/1995EP0672003A1 Controlled proportional valve
09/07/1995DE4438899C1 Energy recovery installation for work tool
09/06/1995EP0670426A1 Circuit capable of varying pump discharge volume in closed center-load sensing system
08/1995
08/30/1995EP0669281A1 Hydraulic lifting device for battery-actuated load handling trucks
08/23/1995EP0504415B1 Control system of hydraulic pump
08/23/1995CN2205883Y Plate-type oil pressure cooler
08/17/1995WO1995022005A1 Device for cleaning oil in hydraulic systems
08/16/1995EP0666964A1 Device for improvement of running condition in hydraulic system
08/10/1995WO1995021332A1 Hydraulic valves
08/09/1995EP0666552A2 Method for obtaining working positions of different heights for mechanical adjustable articulated elements
08/09/1995CA2141711A1 Apparatus for cleaning oil of hydraulic systems
08/03/1995DE4402557A1 Appts. for operation of hydraulically actuated valves etc.
08/02/1995EP0665381A1 System for operating hydraulically actuated valves
08/02/1995EP0665379A1 Pump support with integral oilcooler
07/1995
07/20/1995DE4401459A1 Control unit for electroviscous fluid
07/19/1995EP0663531A2 Pneumatic circuit to provide different opening and closing speeds for a pneumatic operator
07/19/1995EP0663046A1 Hydraulic system with pump and load
07/05/1995EP0660799A1 Multiple ram assembly and recuperative drive system for hydraulic lift
07/04/1995CA1336203C Electrically controlled auxiliary hydraulic system for a skid steer loader
06/1995
06/29/1995DE4446408A1 Betriebssicherer Fahrsimulator Operation Safe Driving Simulator
06/27/1995CA2101235C Supply valve arrangement for closed center hydraulic system
06/22/1995DE4342701A1 Vacuum cell for motor vehicle actuator in heating or air conditioning system
06/22/1995DE4342598A1 Appts. used to dry compress air
06/21/1995CN2201508Y Radiator for engineering machinery hydraulic system
06/21/1995CN2201507Y Hydraulic preguide logic switching dual-coupling filter
06/14/1995EP0657018A1 Contactless inner coating measuring device and method for cast iron pipes