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)
01/2004
01/15/2004DE10117619B4 Verfahren und Vorrichtung zum Entgasen von hydraulischen Systemen Method and apparatus for degassing hydraulic systems
01/14/2004EP1380756A1 Fluid pressure circuit
01/07/2004EP1261809B1 Cooling device
01/06/2004US6672056 Device for cooling components by means of hydraulic fluid from a hydraulic circuit
01/02/2004EP1375758A1 Hydraulic control circuit of boom cylinder of working machine
01/02/2004EP1374965A1 Oil filter for construction machine and assembling method therof
01/02/2004EP1373737A1 Hydraulic pressurization system
01/01/2004US20040000141 Hydraulic energy recovering/regenerating apparatus
12/2003
12/31/2003CN1464945A 液压回路装置 Hydraulic circuit system
12/30/2003US6669169 Bleed device and kit for hydraulic circuits
12/25/2003US20030234213 Oil filter for construction machine and assembling method thereof
12/25/2003US20030233942 Fluid tank
12/24/2003WO2003008250A3 Compressed air treatment device that is designed to be installed in an industrial vehicle
12/24/2003CN1463332A Hydraulic drive unit
12/23/2003CA2285805C System for converting jet aircraft to parabolic flight operation
12/17/2003CN1461729A Replicating position arrival hydraulic machine controlling device
12/17/2003CN1131381C Pressuriazed fluid-driven apparatus with zero point position-determining mechanism
12/16/2003US6662881 Work attachment for loader vehicle having wireless control over work attachment actuator
12/11/2003WO2003101881A1 The control method and device of a hydraulic apparatus whose cylinder is able to come to a desired work position iteratively
12/10/2003CN1461255A Controller for hydroaulic press and method for operation thereof
12/09/2003US6658842 Hydraulic system
12/04/2003WO2003100264A1 Hydraulic control in a hydraulic system, especially for the operation of scrap cutters
12/04/2003US20030223889 Hydraulic pump reservoir having deaeration diffuser
12/04/2003US20030221339 Construction equipment
12/03/2003EP1152936B1 Pressure control device
12/03/2003CN1459575A Liquid cylinder
12/02/2003US6655136 System and method for accumulating hydraulic fluid
11/2003
11/27/2003WO2002081932A3 Disconnected piston for a valve actuator
11/26/2003EP1364128A1 Hydraulic drive system
11/26/2003EP1363818A1 Method for control of a braking device on a motor vehicle and braking device
11/26/2003EP1363721A1 Arrangement and method for compressed air systems in vehicles
11/26/2003EP1272767B1 Valve arrangement
11/26/2003CN1128938C Hydraulic system and pump
11/20/2003US20030213807 Container
11/20/2003US20030213360 Air cushion cylinder apparatus with a lock
11/20/2003US20030213238 Hydraulic regeneration system
11/20/2003DE20314784U1 Hand-held pneumatic hammer for general-purpose construction applications and automobile assembly has vibration absorption mechanism
11/19/2003EP1037783B1 Air dryer reservoir module
11/19/2003CN1457387A Vehicle fluid change apparatus and method
11/18/2003US6649035 Low energy and non-heat transferring crust breaking system
11/18/2003US6648014 Fluid control valve and plate with filter
11/18/2003US6647719 Hydraulic oscillator as a drive of machines
11/18/2003US6647718 Electronically controlled hydraulic system for lowering a boom in an emergency
11/13/2003US20030209134 Apparatus and method for providing vibration to an appendage of a work vehicle
11/12/2003EP1361312A1 Apparatus and method for providing vibration to an appendage of a work vehicle
11/11/2003US6644351 Booster pilot valve
11/11/2003US6644335 Precision orificing for pilot operated control valves
11/06/2003WO2003091577A1 Wind turbine, hydraulic system, air bleed system and method of controlling at least two wind turbine blades
11/06/2003WO2001083985A8 Rotomolded hydraulic reservoir with integral baffle
11/05/2003EP1359094A2 Containers
11/05/2003CN1126873C Control device for travelling system in construction vehicles
10/2003
10/30/2003US20030201016 Low leak boom control check valve
10/28/2003US6637457 Rotomolded hydraulic reservoir with inserted baffle
10/23/2003WO2003087638A1 Bidirectional check valve
10/23/2003WO2003087589A1 Passive control element
10/23/2003US20030196433 Method for controlling a hydraulic activation unit
10/22/2003CN1450272A Cylinder driving system and energy regenerating method thereof
10/21/2003US6636782 Method of driving and controlling a solenoid-operated valve
10/21/2003US6634172 Thermal contraction control apparatus for hydraulic cylinders
10/16/2003US20030192687 Downhole actuation system utilizing electroactive fluids
10/16/2003US20030192252 Detection of obstruction of doors
10/15/2003CN1124418C Hydraulic servo device
10/09/2003WO2003083321A1 Pressure control valve for hydraulic actuation assembly
10/09/2003US20030188530 Cylinder driving system and energy regenerating method thereof
10/02/2003US20030187562 Corrective control system and method for liquid pressure control apparatus in automatic tramsmission
10/02/2003DE20308303U1 Hydraulic pump for power steering in vehicle, includes additional suction channel complementing standard suction channel
10/01/2003EP1347814A1 Filter dehydrator
10/01/2003EP0935713B1 Valve system and manufacture of same
10/01/2003CN1122954C Method and device for transmitting control and/or sensor signals
09/2003
09/30/2003US6627077 Multi-part filter combination
09/30/2003US6626082 Table feed system
09/24/2003EP1347353A1 Flow control method for micro system
09/24/2003EP1347208A2 Method for converting a rotation into a translation and arrangement for executing that method
09/23/2003US6622507 Electromechanical device and a process of preparing same
09/23/2003CA2232868C Sanitary aseptic drain system
09/22/2003CA2423222A1 Method for controlling a hydraulic activation unit
09/18/2003US20030173210 Pneumatic actuator system
09/18/2003US20030172805 Valve device and a control cylinder
09/17/2003EP1344949A2 Valve arrangement for a positioning cylinder
09/17/2003CN1443125A Accumulation chamber for hydraulic vehicle braking system and hydraulic vehicle braking system
09/17/2003CN1121558C Apparaus for improving electric rheological effect
09/16/2003US6619626 Method for pressure compensation in hydraulic motors in crane operations
09/16/2003US6619317 Rotomolded hydraulic reservoir with integral filter bowl
09/16/2003US6619310 Rotomolded hydraulic reservoir with integral baffle
09/16/2003US6619183 Electrohydraulic valve assembly
09/11/2003US20030167936 Controller for a hydraulic press and method for the operation thereof
09/11/2003US20030167761 Method and device for controlling a hydrodynamic clutch
09/10/2003EP1342015A2 Method for operating a control device for a hydraulic system
09/10/2003EP1341992A1 Valve actuating device, and method for controlling same
09/10/2003CN1441171A Controller for hydraulic operation mechanism and its controlling method
09/09/2003US6615866 Hydraulic power assembly having a removable top
09/04/2003US20030167114 Control apparatus and control method for a forklift and forklift
09/04/2003US20030166470 Valve and position control using magnetorheological fluids
09/02/2003US6612218 Working vehicle with a working implement displaceable by a hydraulic actuator
08/2003
08/28/2003US20030159876 Noise reducing fluid tranfer hose, in particular for a motor vehicle power steering controlled system
08/28/2003US20030159577 Hydraulic control circuit for operating a split actuator mechanical mechanism
08/28/2003US20030159576 Thermal contraction control apparatus for hydraulic cylinders
08/27/2003EP1338802A2 Hydraulic control circuit for operating a split actuator mechanical mechanism
08/26/2003US6609369 System and method of pressure compensation for electro hydraulic control systems
08/21/2003US20030155014 Self-contained hydraulic ESD system
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