| 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) |
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| 04/08/2004 | DE20218937U1 Distributor particularly for compressed air, has number of output connection valves and electrical cable extension reel |
| 04/08/2004 | DE19515640B4 Schaltungsanordnung für die elektrische Ansteuerung eines Fluidik-Ventils Circuit arrangement for the electrical control of a fluid valve |
| 04/07/2004 | EP1250253B1 Noise reducing fluid transfer hose, in particular for a motor vehicle power steering controlled system |
| 04/07/2004 | CN1144654C Electric clamp |
| 04/06/2004 | US6715403 Independent and regenerative mode fluid control system |
| 04/06/2004 | US6715402 Hydraulic control circuit for operating a split actuator mechanical mechanism |
| 04/01/2004 | WO2001073297A3 Booster pilot valve |
| 04/01/2004 | US20040060430 System for recovering energy in hydraulic circuit |
| 04/01/2004 | US20040060290 Hydraulic valve system |
| 04/01/2004 | US20040060205 Device for controlling hydraulic pressure of construction machine |
| 04/01/2004 | DE202004001139U1 Pressure equalization element comprises a base section, a lid, and a gas exchange channel with a filter element |
| 04/01/2004 | DE10244383A1 Oil container for a hydraulic system, especially a steering system of a vehicle, comprises a tubular flow channel arranged in the oil container downstream of an oil outlet so that undissolved gas bubbles in the oil are dissolved |
| 03/31/2004 | EP1403531A1 Hydraulic pump circuit |
| 03/31/2004 | EP1403529A2 Method of sharing flow of fluid among multiple hydraulic functions in a velocity-based control system |
| 03/31/2004 | EP1403528A1 Hydraulic circuit device |
| 03/31/2004 | EP1403527A1 Velocity based electronic control system for operating hydraulic equipment |
| 03/31/2004 | EP1403526A1 Method of selecting a hydraulic metering mode for a function of a velocity based control system |
| 03/31/2004 | EP1403525A1 Velocity based method for controlling a hydraulic system |
| 03/31/2004 | EP1403438A1 Method for preventing bounce oscillations of inertial masses caused by accelerations in hydraulically powered equipment |
| 03/31/2004 | EP1402178A1 Expansible polymer clamping device |
| 03/31/2004 | CN2608736Y Hydropress hydralic medium electric refrigeration cooling device |
| 03/31/2004 | CN1143970C Integrated electromagnetic valve driven by series signals |
| 03/25/2004 | US20040057836 Hydraulic pump circuit |
| 03/25/2004 | US20040055455 Apparatus for controlling bounce of hydraulically powered equipment |
| 03/25/2004 | US20040055454 Method of selecting a hydraulic metering mode for a function of a velocity based control system |
| 03/25/2004 | US20040055452 Velocity based method for controlling a hydraulic system |
| 03/25/2004 | US20040055289 Method of sharing flow of fluid among multiple hydraulic functions in a velocity based control system |
| 03/25/2004 | US20040055288 Velocity based electronic control system for operating hydraulic equipment |
| 03/25/2004 | DE10242050A1 Hydraulic reservoir with integral filter has the return feed through a labyrinth to remove any trapped gasses and thereby prevent foaming |
| 03/24/2004 | EP1400702A2 Pneumatic arrangement with several service modules for compressed air preparation |
| 03/24/2004 | CN1143065C Vibration damper on basis of electrophenological/magnetorheological fluids for belt tensisoning systems |
| 03/23/2004 | US6708787 Hybrid construction equipment |
| 03/23/2004 | US6708716 Valve assembly |
| 03/23/2004 | US6708710 Vehicle fluid change apparatus and method |
| 03/23/2004 | US6708708 Pneumatic actuation control system and method of operation |
| 03/18/2004 | WO2004022858A1 Hydraulic driving system of construction machinery |
| 03/18/2004 | US20040051381 Pneumatic arrangement comprising a plurality of servicing modules for the preparation of compressed air |
| 03/18/2004 | US20040050436 Flow control method for micro system |
| 03/17/2004 | CN2606818Y Full mechanical hydraulic automatic air supplement device |
| 03/16/2004 | US6705079 Apparatus for controlling bounce of hydraulically powered equipment |
| 03/11/2004 | US20040045609 Vehicle fluid change apparatus |
| 03/11/2004 | US20040045436 Air dryer module |
| 03/09/2004 | US6701822 Independent and regenerative mode fluid control system |
| 03/03/2004 | EP1393428A1 Viscosity regulating valve |
| 03/03/2004 | EP1392982A1 A method and device for fine filtering |
| 03/03/2004 | EP1326695B1 Filter device |
| 03/02/2004 | US6700056 Pre-equilibrium chemical reaction energy converter |
| 03/02/2004 | US6698523 Electrohydraulic control system for implement lift cylinders |
| 02/26/2004 | WO2004016900A1 Mobile working tool with a tool head |
| 02/26/2004 | US20040035103 Plural pressure oil energies selective recovery apparatus and selective recovery method therefor |
| 02/25/2004 | EP1181458B1 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder |
| 02/25/2004 | EP1025366B1 Fluid oscillator with extended slot |
| 02/24/2004 | US6694860 Hydraulic control system with regeneration |
| 02/24/2004 | US6694803 Method and system for determining the actuating pressure of a servo cylinder actuated by pressurized fluid |
| 02/19/2004 | DE10234541A1 Master cylinder for hydraulic brake system has means to keep valve shut-off component open following closing pressure difference resulting from evacuation of brake system, and to allow movement into closed position during braking |
| 02/18/2004 | EP1389653A1 Operation device for mechanisms associated to locks and for flow control of rivers |
| 02/18/2004 | EP1263673B1 Working machine |
| 02/18/2004 | CN1138932C Electrohydraulic system and apparatus with bidirectional electric-motor hydraulic-pump unit |
| 02/17/2004 | US6691603 Implement pressure control for hydraulic circuit |
| 02/12/2004 | WO2004012974A1 Master cylinder |
| 02/12/2004 | US20040029082 Element with expansible relief |
| 02/12/2004 | US20040026332 Hydraulic filter assembly with priority valve |
| 02/12/2004 | US20040025682 Valve-controlled fluidic actuator system |
| 02/12/2004 | DE10317412A1 Hydraulic system has a number of hydraulic actuators supplied fro common pressure converter with electromechanical control stages coupled to central unit |
| 02/12/2004 | DE10252148B3 Process for dewatering a hydraulic fluid stream in a hydraulic system comprises removing water from the hydraulic fluid by pervaporation on a membrane which is impinged on the permeate side with a rinsing stream |
| 02/12/2004 | DE10235373A1 Vehicle brakes test method for testing an electro-hydraulic motor vehicle braking system tests for unreleased gas in a brake fluid |
| 02/12/2004 | DE10233350A1 Combination compensator reservoir for main cylinder consists of two containers connected via connection with two separate channels |
| 02/11/2004 | EP1388673A2 Drive device for packaging machine |
| 02/11/2004 | EP1388670A1 Hydraulic driving unit |
| 02/11/2004 | EP1387968A1 Control arrangement and method for a hydraulic system |
| 02/11/2004 | CN2603240Y Timing valve type pressured air automatic water discharging device |
| 02/11/2004 | CN1473751A Hydraulic system controlled by electricity for lowering crane frame under emergency condition |
| 02/10/2004 | US6688707 Hydraulic aggregate |
| 02/05/2004 | WO2004011812A2 Actuator control system for hydraulic devices |
| 02/05/2004 | DE10247967B3 Multi-way valve for controlling pneumatic or hydraulic drive has main valve element held in neutral position between 2 working positions for pressure equalization between load connections via pre-control stage |
| 02/04/2004 | EP1387088A1 Device for delayed and/or slowed return of gas cylinders |
| 02/04/2004 | CN1137334C Revolution control device |
| 02/03/2004 | US6685159 Wireless, intrinsically safe valve |
| 02/03/2004 | US6685139 Emergency opening cylinder of a passenger door for an airplane, a door system and a method of modifying a door system |
| 02/03/2004 | US6684905 Construction machine |
| 01/29/2004 | US20040016556 Electrohydraulic control system for implement lift cylinders |
| 01/29/2004 | US20040016465 Pneumatic actuation control system and method of operation |
| 01/29/2004 | US20040016230 Noise attenuation in a hydraulic circuit |
| 01/29/2004 | DE4303694B4 Flüssigkeitsfilter mit Überströmventil Liquid filters with overflow valve |
| 01/28/2004 | EP1384902A2 Construction machine |
| 01/28/2004 | CN1470718A Oil-filter of building machine and its assembling method |
| 01/27/2004 | US6681818 Hydraulic circuits for tree-harvesting knuckle booms |
| 01/27/2004 | US6681813 Device for removing fluid from a container |
| 01/27/2004 | US6681800 Control valve means and furthermore a valve suitable for use as a component thereof |
| 01/22/2004 | WO2003083321A8 Pressure control valve for hydraulic actuation assembly |
| 01/22/2004 | US20040012256 Accumulation chamber for a hydraulic vehicle braking system and a hydraulic vehicle braking system |
| 01/22/2004 | US20040011714 Filter device |
| 01/22/2004 | US20040011194 Arrangement using fluid technology and valve arrangement and actuator for the same |
| 01/22/2004 | US20040011147 Filter soil detecting device |
| 01/22/2004 | DE10230860A1 Druckflüssigkeitssystem Pressure fluid system |
| 01/21/2004 | CN1468643A Filter dirt detecting apparatus |
| 01/20/2004 | US6679800 Hydraulic pressure control method and apparatus of an automatic transmission for a vehicle |
| 01/20/2004 | US6679102 Method and apparatus for measuring fluid contaminants |
| 01/15/2004 | WO2004005727A1 Hydraulic drive unit |
| 01/15/2004 | WO2004004439A1 Electrohydraulic control system for implement lift cylinders |