| 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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| 03/07/2001 | EP1081445A2 Drying plant for compressed air |
| 03/06/2001 | US6196247 Valve assembly and method for actuation of such a valve assembly |
| 03/06/2001 | US6195989 Power control system for a machine |
| 03/01/2001 | DE19939970A1 Oil filter/air separator device for hydraulic systems esp. in hydraulic presses has porous filter element and high air collection chamber with air volume sensor to operated drainage valve |
| 02/28/2001 | EP1079120A2 Apparatus for conditioning a gaseous medium |
| 02/28/2001 | EP1079118A2 Position detecting device for hydraulic cylinder, and detecting method thereof |
| 02/28/2001 | EP1079116A2 Hydraulic system for tire curing press |
| 02/28/2001 | CN1285474A Vertical reciprocative sealless hydraulic damping cylinder |
| 02/27/2001 | US6192680 Subsea hydraulic control system |
| 02/22/2001 | WO2001013187A2 Diagnostic and control unit for power machine |
| 02/22/2001 | WO2001012997A2 Security valve for a press |
| 02/22/2001 | WO2000037294A8 Method and system for controlling a hydraulic brake system |
| 02/21/2001 | CN1284920A Air Dryer reservoir module |
| 02/20/2001 | US6189432 Automotive lift hydraulic fluid control circuit |
| 02/20/2001 | US6189319 Removal of air from hydraulic system |
| 02/15/2001 | DE10021328A1 Power control system for hydraulic excavator, has controller which judges the temperature limits of engine and hydraulic system based on which boom and rotation control timings are set |
| 02/13/2001 | US6186480 Triaxial positioning actuator and control methods using same |
| 02/08/2001 | WO2001009440A1 Hydraulic circuit control device of construction machinery |
| 02/08/2001 | DE19936465A1 Turbine group control oil circuit flushing device, with lines having parting point at distance from controlling or regulating unit which can be preset |
| 02/08/2001 | DE19934315A1 Verfahren und Vorrichtung zum Verdichten eines gasförmigen Mediums Method and device for compressing a gaseous medium, |
| 02/06/2001 | US6182942 Actuator |
| 02/01/2001 | WO2001007142A1 Filter device for microfiltration of oil |
| 02/01/2001 | DE19935629A1 Piston-cylinder-unit for brake systems in motor vehicles has secondary chamber connected to atmosphere, and closeable connection between pressure chamber and secondary chamber |
| 02/01/2001 | DE19935628A1 Piston-cylinder-unit for brake systems in motor vehicles has secondary chamber sealed relative to atmosphere, and closeable connection between spring chamber and release chamber |
| 01/31/2001 | CN1282407A Fluid oscillator with extended slot |
| 01/30/2001 | US6178803 Crank press |
| 01/25/2001 | DE19933864A1 Door opener system has a throttle in the pressure channel from the hydraulic pump to the door opening mechanism to match the loading during the door movement phases for a constant pump speed |
| 01/25/2001 | DE19931208A1 Closed-circuit hydraulic actuator system e.g. for valves, transmissions, etc. has throttle element of porous sintered part connecting actuator chambers to volume-adjustable compensation chambers |
| 01/24/2001 | EP1070610A2 Method and apparatus for compressing a gas |
| 01/23/2001 | US6176083 Apparatus and method for controlling displacement of steering pump for work vehicle |
| 01/18/2001 | WO2001004500A1 An improved mechanism for retaining a removable element in a mounting structure |
| 01/18/2001 | DE19933620A1 Oil filter for hydraulically operated machines with rotating parts, especially automatic gear boxes of vehicles, has membrane inserted in it to remove air bubbles present in oil stream |
| 01/18/2001 | DE19933470A1 Rotating pressure cavity filling and regulating improvement device, with air separation channel |
| 01/17/2001 | EP1068124A1 Device for displacing the moveable parts of rail switches or crossings |
| 01/17/2001 | EP1068098A1 Hydraulic valve for a camera dolly |
| 01/16/2001 | US6173573 Control device for hydraulic drive machine |
| 01/16/2001 | US6173572 Method and apparatus for controlling a bypass valve of a fluid circuit |
| 01/11/2001 | DE19932097A1 Hydraulisches System zur Filterung von Druckflüssigkeit Hydraulic system for filtering fluid pressure |
| 01/11/2001 | DE19932096A1 Hydraulisches System zur Filterung von Druckflüssigkeit Hydraulic system for filtering fluid pressure |
| 01/11/2001 | DE19930965A1 Flow controller operation method for hydraulic actuator in vehicle, involves modifying desired current peaks of dither current in controller, relative to controller element current peaks |
| 01/10/2001 | EP1067296A1 Electrohydraulic lifting module |
| 01/10/2001 | EP1067295A2 Filter bypass for hydraulic systems |
| 01/10/2001 | EP1067294A2 Filter bypass for hydraulic systems |
| 01/10/2001 | CN2414244Y Self-cleaning type hydraulic oil filter |
| 01/09/2001 | US6170527 Manifold solenoid valve driven by serial signals |
| 01/09/2001 | US6170262 Control device for hydraulically driven equipment |
| 01/04/2001 | WO2001000936A1 Shovel |
| 01/04/2001 | WO2001000934A1 Hybrid construction machinery and control device of the construction machinery |
| 01/04/2001 | WO2001000933A1 Construction machine |
| 01/04/2001 | WO2001000471A1 Hydraulic aggregate |
| 01/04/2001 | DE19958194A1 Hydraulikaggregat Hydraulic unit |
| 01/04/2001 | DE19930562A1 Hydraulikanlage für ein Flurförderzeug Hydraulic system for a truck |
| 01/03/2001 | EP1065386A2 Hydraulic circuit for a materials handling vehicle |
| 01/02/2001 | US6169338 Compressed air servicing unit |
| 01/02/2001 | US6168634 Hydraulically energized magnetorheological replicant muscle tissue and a system and a method for using and controlling same |
| 12/28/2000 | DE19927372A1 Verfahren und Vorrichtung zum Erkennen einer Fehlfunktion von Stellantrieben Method and apparatus for detecting a malfunction of actuators |
| 12/27/2000 | EP1062137A2 Method for compensating the temperature dependence of an inductive resistance of a valve coil |
| 12/26/2000 | US6164927 Process for venting a hydraulic assisted steering system |
| 12/26/2000 | US6164402 Control of pump for hydraulic front wheel drive |
| 12/26/2000 | US6164335 Manifold solenoid valve driven by serial signals |
| 12/26/2000 | US6164327 Meter-out flow control valve |
| 12/21/2000 | WO2000077334A1 Apparatus for operating gates and the like |
| 12/21/2000 | DE19953936A1 Electro hydraulic flow regulator valve operates with a pulse width modulated armature |
| 12/21/2000 | DE19927432A1 A method for determining hydraulic fluid temperature uses the resistance value of an electromagnetic valve coil. |
| 12/21/2000 | DE19927079A1 Betätigungseinrichtung für eine Sperre, vorzugsweise eine Reibschlußsperre, eines Differentialgetriebes Actuator for a lock, preferably a Reibschlußsperre, a differential gear |
| 12/20/2000 | EP1061289A2 Actuator for a lock, preferably a frictional lock, of a differential |
| 12/20/2000 | EP1061269A2 Method and device for detecting faulty operation of a positioning drive |
| 12/20/2000 | EP1060096A1 Air dryer reservoir module components |
| 12/20/2000 | CN2411374Y Hand double-valve-stem for hydraulic multiple unit valve |
| 12/20/2000 | CN2411373Y Coordinate solution feeding device |
| 12/14/2000 | DE19925665A1 Adjusting system pressure of hydraulic actuator for clutch or automatic transmission by using characteristic curves for temperature and lifetime, stored in controller |
| 12/13/2000 | CN2410456Y Pipe bundle type fluid rectifier |
| 12/07/2000 | WO2000073667A1 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder |
| 12/06/2000 | EP0870113B1 Servicing apparatus for treating compressed air |
| 12/05/2000 | US6155336 Power steering reservoir and cooler |
| 11/30/2000 | WO2000072384A1 Pre-equilibrium chemical reaction energy converter |
| 11/30/2000 | WO2000071233A1 Method for dewatering hydraulic fluids and device for carrying out said method |
| 11/30/2000 | DE19924473A1 Hydraulischer Antrieb mit mehreren auch einen Differentialzylinder umfassenden hydraulischen Verbrauchern, insbesondere an einer Kunststoffspritzgießmaschine Hydraulic drive with more comprehensive and a differential cylinder hydraulic consumers, particularly in a plastic injection molding |
| 11/30/2000 | DE19923415A1 Verfahren zum Entwässern von Hydraulikflüssigkeiten sowie Vorrichtung zur Durchführung des Verfahrens A method for dewatering of hydraulic fluids as well as apparatus for carrying out the method |
| 11/29/2000 | EP0787318B1 Multiplexing hydraulic control network with latching valves |
| 11/29/2000 | CN2408289Y Hydraulic automatic controller |
| 11/28/2000 | US6151894 Apparatus for recovering pressure oil returned from actuators |
| 11/28/2000 | CA2309244A1 Apparatus and method of operating a fluid cylinder of a work machine |
| 11/22/2000 | EP1054177A2 Drain valve for hydrostatic coupling |
| 11/22/2000 | EP1054166A1 Service unit without housing |
| 11/15/2000 | EP1052413A1 Revolution control device |
| 11/14/2000 | US6146113 Compact hydraulic unit |
| 11/14/2000 | US6145627 Zero point position-determining mechanism for pressurized fluid-driven apparatuses |
| 11/14/2000 | US6145311 Pneumo-hydraulic converter for energy storage |
| 11/09/2000 | WO2000066251A1 Air compression arrangement for vehicles |
| 11/09/2000 | DE19919228A1 Ungehäuste Wartungseinheit Unpackaged maintenance unit |
| 11/07/2000 | CA2105982C High force thermochemical actuator |
| 11/02/2000 | WO2000065239A1 Method and apparatus for controlling construction machine |
| 11/02/2000 | WO2000064231A2 Features of main control computer for a power machine |
| 11/02/2000 | EP1048853A1 Hydraulic control device for working machines |
| 11/02/2000 | DE19918455A1 Active noise suppression in hydraulic unit of motor vehicle by controlling vibration of actuator to compensate for other sources of vibration |
| 11/02/2000 | DE10020269A1 Solenoid valve device for fluid channel between main cylinder and wheel brake cylinder of motor vehicle has solenoid valve in channel joining switching valve to wheel brake cylinder connection |
| 11/02/2000 | CA2369813A1 Features of main control computer for a power machine |
| 10/31/2000 | CA2117055C Process for separating gaseous components from pourable media and device and installation therefor |
| 10/26/2000 | WO2000062898A1 Filtering device, especially a suction return filter |