Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided 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
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)
08/2003
08/21/2003US20030155006 Viscosity regulating valve
08/20/2003CN2567390Y Emulsion filter for mine
08/20/2003CN1118987C Bus system
08/14/2003US20030150210 Fluid pressure circuit
08/14/2003DE10214225C1 Hydraulic operating unit control method uses characteristic fields for hydrotransformers incorporated in hydraulic circuit as input values for movement control unit for hydraulic cylinder
08/13/2003EP1169105B1 Filtering device, especially a suction return filter
08/12/2003US6605210 Hydraulic fluid filter device
08/07/2003US20030149518 Features of main control computer for a power machine
08/07/2003US20030146147 Cooling device
08/07/2003US20030145721 Control system and method for hydraulic working machine
08/06/2003EP1333183A2 Control system and control method for hydraulic working machine
08/06/2003EP1332305A2 Pilot-operated pressure supply valve
08/06/2003CN1433831A 液体过滤器 Liquid Filter
07/2003
07/31/2003US20030141478 Bleed device and kit for hydraulic circuits
07/31/2003US20030141140 Power steering system
07/31/2003US20030140975 Solenoid valve for reduced energy consumption
07/31/2003US20030140628 By-pass incorporated in hydraulic control and activation cylinders to facilitate air bleeding
07/30/2003EP1331405A1 By-pass incorporated in hydraulic control and activation cylinders to facilitate air bleeding; method of bleeding
07/30/2003EP1331029A1 Filter bag sealing arrangement
07/30/2003EP1330610A2 Valve-controlled fluidic actuator system
07/30/2003EP1330608A2 Fluid flow control valves
07/30/2003CN1432760A Header regulator
07/29/2003US6598696 Device and method for purging trapped air from a vehicle steering gear housing
07/29/2003US6598391 Control for electro-hydraulic valve arrangement
07/25/2003CA2416497A1 By-pass incorporated in hydraulic control and activation cylinders to facilitate air bleeding
07/24/2003WO2003060330A1 Hydraulic-operated regulating arrangement
07/24/2003WO2003059704A1 Valve for controlled inflation and venting of an airbag
07/24/2003US20030136452 Manifold regulator apparatus
07/17/2003US20030132729 Construction machinery
07/17/2003US20030132347 Emergency opening cylinder of a passenger door for an airplane, a door system and a method of modifying a door system
07/16/2003EP1326695A2 Filter device
07/15/2003US6592099 Silting prevention controller
07/10/2003WO2003042765A3 Method and apparatus for increasing and modulating the yield shear stress of electrorheological fluids
07/10/2003US20030127143 Orifice of fluid passage and orifice clogging preventing mechanism
07/09/2003EP1325237A1 Arrangement using fluid technology and valve arrangement and actuator for the same
07/09/2003CN2559819Y Cooler for cooling hydraulic oil of hydraulic press
07/08/2003US6588441 Flow direction indicator loop
07/03/2003US20030121411 High-speed cylinder apparatus
07/03/2003US20030121408 Implement pressure control for hydraulic circuit
07/03/2003US20030121184 Hydraulic control circuit of boom cylinder of working machine
07/02/2003EP1323967A1 Electromagnetic multiway valve
07/02/2003EP1323889A2 High-speed cylinder apparatus
07/02/2003EP1229991B1 A method and device for cleaning air in a compressed air system
07/01/2003US6585806 Air dryer reservoir module components
07/01/2003US6585128 Oil breather splash guard structure
07/01/2003US6584769 Mobile working machine
06/2003
06/26/2003WO2003052277A1 Hydraulic system with improved efficiency
06/26/2003US20030115867 Hydrostatic transmission
06/26/2003US20030115866 System and method for controlling hydraulic flow
06/26/2003US20030115863 System and method for accumulating hydraulic fluid
06/25/2003EP1321842A2 Hydraulic system
06/25/2003CN1112522C Integrated electromagnetic valve driven by series signals
06/24/2003US6583525 Viscosity regulating valve
06/24/2003US6581639 Low leak boom control check valve
06/24/2003US6581619 Method and device for the supply of electrical loads in or on a pneumatic device with electrical power energy
06/19/2003US20030111115 Valve assembly
06/19/2003US20030110766 Hydraulic system with improved efficiency
06/18/2003EP1318906A1 Controller for a hydraulic press and method for the operation thereof
06/18/2003EP1194321B1 Hydraulic aggregate
06/18/2003DE10162525C1 Electromagnetic multi-way valve has magnetic field sensor followed by driver stage for contactlessly transferring drive signals via external data lines within range of sensor
06/17/2003US6578819 Hydraulic valve
06/12/2003US20030106423 Independent and regenerative mode fluid control system
06/12/2003US20030106422 Independent and regenerative mode fluid control system
06/12/2003US20030106420 Hydraulic control system with regeneration
06/12/2003US20030106419 Electrohydraulic valve assembly
06/12/2003US20030106315 Fluid system having variable pressure relief
06/11/2003CN2555098Y Jet self-excited pulse oscillator
06/05/2003WO2003046433A1 Autarchic pipeline fitting
06/04/2003EP1315916A1 Method and device for controlling a hydrodynamic clutch
06/04/2003EP1254318B1 Device for removing fluid from a container
06/04/2003EP0773370B1 Hydraulic controller
05/2003
05/30/2003WO2003044940A1 Actuator driving device of working machine
05/29/2003US20030097925 System and method of pressure compensation for electro hydraulic control systems
05/29/2003US20030097837 Hbrid machine with hydraulic drive device
05/28/2003DE19933864C2 Türöffner Door opener
05/27/2003US6568470 Downhole actuation system utilizing electroactive fluids
05/22/2003WO2003042765A2 Method and apparatus for increasing and modulating the yield shear stress of electrorheological fluids
05/22/2003US20030094540 Last chance aircraft back-up hydraulic system
05/22/2003CA2466018A1 Method and apparatus for increasing and modulating the yield shear stress of electrorheological fluids
05/21/2003EP1311767A1 Pneumatic actuator system
05/21/2003EP1112452B1 Vibration damper on the basis of electrorheological/magnetorheological fluids for belt tensioning systems
05/20/2003US6564547 Device for digital hydraulic pressure transformation (DHPT)
05/15/2003WO2003040575A1 Hydraulic device with breather assembly
05/15/2003US20030089827 Control device and method for emergency opening of an aircraft evacuation door
05/15/2003US20030089596 Method and apparatus for increasing and modulating the yield shear stress of electrorheological fluids
05/15/2003US20030089407 Solenoid valve for reduced energy consumption
05/13/2003US6561076 Differential configuration of remote hydraulic valve flow rates for extend and retract modes of operation
05/08/2003US20030084794 Hydraulic press
05/07/2003EP1308415A2 Hydraulic lifting device in particular for battery-powered industrial trucks and control method therefor
05/06/2003US6557344 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder
05/06/2003CA2327466C Device for displacing the moveable parts of rail switches or crossings
05/02/2003EP1305195A1 Accumulation chamber for a hydraulic vehicle braking system and a hydraulic vehicle braking system
05/02/2003EP0934472A4 Removal of air from hydraulic system
05/02/2003EP0821766B1 Electrofluidic module
05/01/2003WO2003036102A1 Pulsating aerial vibration wave generating device
05/01/2003WO2003036100A1 Hydraulic equipment
05/01/2003US20030079470 Hydrostatic transmission
04/2003
04/29/2003US6554662 Hydraulic system in a boat hull, preferably a boat hull having an outboard drive
04/24/2003WO2002046021A3 Electro-hydraulic load sense on a power machine
04/24/2003US20030078697 Device for controlling a hydraulic actuator
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