| 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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| 07/29/2009 | CN201281056Y Hydraulic pipe structure in small space |
| 07/29/2009 | CN101493108A Diaphragm type oil-liquid sanitation oil tank |
| 07/29/2009 | CN100520022C Method and device for controlling pump torque for hydraulic construction machine |
| 07/23/2009 | WO2009091767A1 Servo system augmented with an active material component |
| 07/23/2009 | DE102008004950A1 Druckmittelvorrichtung eines Fahrzeugs Print media device of a vehicle |
| 07/22/2009 | EP2080914A2 Pressure device for a vehicle |
| 07/22/2009 | EP1987257B1 Pneumatic drive system |
| 07/22/2009 | CN201277223Y Combined control device of variable frequency proportion valve |
| 07/22/2009 | CN101490427A Electrohydraulic control system for the actuation of an actuator in a motor vehicle |
| 07/22/2009 | CN100516578C Electrical loop flushing system |
| 07/21/2009 | US7562944 Hydraulic regenerative braking system for a vehicle |
| 07/16/2009 | WO2009087059A1 Prcess and device for dewatering a hydraulic fluid |
| 07/16/2009 | US20090178553 Compressor |
| 07/16/2009 | DE102008004385A1 Fluid e.g. gas, system alternatively switching circuit, has selected wiring arrangement enabling simple and uninterrupted switching operation, where wiring arrangement is formed by four/two way valves |
| 07/16/2009 | DE102008003179A1 Verfahren und Vorrichtung zum Entwässern einer Hydraulikflüssigkeit Method and apparatus for dewatering a hydraulic fluid |
| 07/16/2009 | CA2709761A1 Process and device for dewatering a hydraulic fluid |
| 07/15/2009 | EP1644643B1 Method and arrangement for controlling at least two hydraulic consumers |
| 07/15/2009 | CN101482134A High-precision fixed-load double-pump control apparatus of hydraulic system |
| 07/14/2009 | US7559401 Hydrostatic drive system |
| 07/09/2009 | US20090175734 Power Steering Pump Flow Control |
| 07/09/2009 | US20090173222 Fluid System |
| 07/09/2009 | US20090173070 Pulse Generator and Impulse Machine for a Cutting Tool |
| 07/09/2009 | DE102008062106A1 Entfeuchtungssystem und Entfeuchtungsverfahren in einer Druckerhöhungsleitung Dehumidification and dehumidification in an increase in pressure line |
| 07/09/2009 | DE102007059491B3 Verfahren und Schaltungsanordnung zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern Method and circuit arrangement for supplying pressure fluid from at least two hydraulic consumers |
| 07/09/2009 | DE102005005612B4 Ventilanordnung Valve assembly |
| 07/08/2009 | CN201269235Y Hydraulic energy-saving oil supply system of miniature hydraulic excavator |
| 07/08/2009 | CN101476581A Pulsating flow generator |
| 07/08/2009 | CN101476580A Energy-saving wide-range high-precision pulseless hydraulic loading system |
| 07/08/2009 | CN100510430C Integrated modular unit |
| 07/07/2009 | US7556457 Drilling system including drilling machine and compressor |
| 07/02/2009 | DE102007013673B4 Druckluftversorgungseinrichtung für ein Nutzfahrzeug und Verfahren zum Betreiben einer Druckluftversorgungseinrichtung Compressed air supply device for a utility vehicle and method for operating a compressed air supply device |
| 07/02/2009 | DE102006023681B4 Verfahren zum Steuern beziehungsweise Regeln des Luftdrucks in einer Druckluftversorgungseinrichtung A method for controlling or regulating the air pressure in a compressed air supply device |
| 07/01/2009 | CN101469727A Frequency generating apparatus |
| 07/01/2009 | CN100507286C Hydraulic precision regulator |
| 06/30/2009 | US7553408 Hydraulic lubrication filter circuit |
| 06/25/2009 | US20090158725 Hydraulic pump with control system |
| 06/25/2009 | DE10258873B4 Diagnoseeinrichtung für eine fluidtechnische Einrichtung sowie damit ausgestattete fluidtechnische Einrichtung Diagnostic device for a fluidic device and thus equipped fluidic device |
| 06/25/2009 | DE102008063927A1 Collective load determination method for hydrostatic machine i.e. hydro pump, of stationary plant e.g. press, involves measuring system parameters, memorizing measured values by control device, and determining and storing collective load |
| 06/25/2009 | DE102007062384A1 Einrichtung mit integriertem Lagesensor Device with integrated position sensor |
| 06/25/2009 | DE102007062036A1 Hydrostatic system's operational condition detecting method for diesel-internal combustion engine of vehicle, involves storing presence of event during fulfilling of event condition by evaluation parameter |
| 06/25/2009 | DE102006017181B4 Fluidtechnisches Gerät Fluidic device |
| 06/25/2009 | DE102005021799B4 Verfahren zum automatischen Spülen von Verunreinigungen von einem elektrisch betätigten Hydraulikventil A method for automatic rinsing of contaminants from an electrically operated hydraulic valve |
| 06/25/2009 | DE102005009843B4 Hydraulikanlage mit geschlossenem Kreislauf für ein Arbeitsfahrzeug Hydraulic system with closed circuit for a working vehicle |
| 06/24/2009 | CN101463850A Method and system for pressure relief energy recovery and recycle of superpressure plant in parallel |
| 06/24/2009 | CN101463849A Hydraulic electrohydraulic ratio control system and method for prebending machine |
| 06/24/2009 | CN101463848A Engineering machinery control system, engineering machinery and engineering machinery control method |
| 06/24/2009 | CN100504044C Vehicle fluid change apparatus and method |
| 06/18/2009 | WO2009074216A1 Electro hydraulic servo steering system and hydraulic accumulator for a servo steering system |
| 06/17/2009 | EP2071196A1 Hydraulic drive device and working machine with the same |
| 06/17/2009 | CN201258892Y Long stroke oil cylinder electrohydraulic proportional synchronous control system |
| 06/17/2009 | CN101460747A Fluidsystem |
| 06/11/2009 | WO2009071264A1 Hydraulic system having adjustable rapid-lowering valve |
| 06/11/2009 | US20090148310 Working fluid cooling control system for construction machine |
| 06/11/2009 | US20090145376 Control Device for Hydraulically Driven Fan |
| 06/11/2009 | US20090145291 Method for detecting the drive type of an actuator (ii) |
| 06/10/2009 | EP2066907A2 Quiet fluid supply valve |
| 06/10/2009 | DE102007058777A1 Verfahren zur Inbetriebnahme von Stellantrieben Procedures for placing actuators |
| 06/10/2009 | DE102007058776A1 Verfahren zur Erkennung des Antriebstyps eines Stellantriebs (II) Method for detecting the type of an actuator drive (II) |
| 06/10/2009 | DE102007058211A1 Verfahren zum Betrieb eines strömungstechnischen Leitungssystems Method for operating a fluidic conduit system |
| 06/10/2009 | DE102007057295A1 Fluid-electrical device, has supply source exhibiting electrical energy storage that is rechargeable by fluid-electrical converter, where storage is connected with load and/or supply source by fluid operatable electrical switching device |
| 06/10/2009 | CN201255157Y Intelligent exhaust for front low-pressure end of hydraulic system |
| 06/10/2009 | CN101451562A Method for identifuing and adjusting drive type of drive device |
| 06/10/2009 | CN101451561A Method for commissioning actuators |
| 06/10/2009 | CN101451560A Intelligent driving method of hydrocylinder precise stroke and outside driving unit thereof |
| 06/10/2009 | CN100496668C Coin-filter mounting structure |
| 06/09/2009 | US7543449 Hydraulic system for linear drives controlled by a displacer element |
| 06/04/2009 | US20090139222 System for storing, delivering and recovering energy |
| 06/04/2009 | DE10303185B4 Fluidkanalgehäusebaugruppe, Stopfen füe eine Fluidkanalgehäusebaugruppe und Verbrennungsmotor mit einer Fluidkanalgehäusebaugruppe Fluid channel housing assembly, plug füe a fluid channel housing assembly and internal combustion engine having a fluid passage housing assembly |
| 06/04/2009 | DE102007057993A1 Electrohydraulic valve i.e. pressure regulating valve, washing method for motor vehicle, involves moving closing unit from stroke path till final stroke path that is smaller than stroke path of unit and larger than aperture width of insert |
| 06/03/2009 | EP2065600A1 Hydraulic circuit of a servo-assisted mechanical transmission |
| 06/03/2009 | CN101446311A Passive pulse ejector for inhibiting blade back separation of air compressor |
| 06/03/2009 | CN101446310A Hydraulic circuit of a servo-assisted mechanical transmission |
| 06/03/2009 | CN101446309A Thermostatic hydraulic oil tank based on semiconductor refrigeration technology and electromagnetic induction eddy current principle |
| 06/03/2009 | CN100494699C Liquid cooling device |
| 05/28/2009 | DE102008057646A1 Dirt protection device for opening at component in hydraulic distance for clutch or brake operation of motor vehicle, is realized by foil, and covers cross-section of opening in sealed manner |
| 05/28/2009 | DE102007056430A1 Verfahren zur Herstellung einer pneumatischen Einrichtung eines Fahrzeugs aus Kunststoffteilen A process for producing a pneumatic device of a vehicle from plastic parts |
| 05/28/2009 | DE102007056362A1 Filtervorrichtung, insbesondere Rücklauf-Saugfilter, sowie Filterelement für eine solche Filtervorrichtung Filter device, including back-suction filter and filter element for such a filter device |
| 05/27/2009 | CN201246368Y 液力油加热器 Hydraulic oil heater |
| 05/27/2009 | CN201246367Y Movable hydraulic oil multilevel circulation filtering device |
| 05/27/2009 | CN201246351Y Oil storage pot of automobile hydraulic pressure steering booster system |
| 05/27/2009 | CN101440833A Modularization digital closed loop power mechanism |
| 05/27/2009 | CN101440832A Automatic cooling apparatus of hydraulic system |
| 05/27/2009 | CN101440829A Engineering machinery and engineering machinery control method |
| 05/27/2009 | CN100491749C Power generating equipment regulating valve oil motor servo control system |
| 05/26/2009 | US7537624 Condensate filter, particularly for pneumatic classification modules |
| 05/26/2009 | CA2504225C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 05/22/2009 | WO2009062558A1 Valve apparatus |
| 05/22/2009 | WO2009062276A1 Pressure control unit |
| 05/20/2009 | EP2060800A1 Combined actuator with rheological control brake |
| 05/20/2009 | EP2060799A2 Vehicle fluid change apparatus and method |
| 05/20/2009 | DE202009003010U1 Druckluft-Wartungsgerät Compressed air maintenance device |
| 05/20/2009 | CN201241899Y 液压放大器控制系统 Hydraulic amplifier control system |
| 05/20/2009 | CN201241883Y Pressurization hydraulic oil tank respirator |
| 05/20/2009 | CN101438064A Hydraulic control system for working machine |
| 05/20/2009 | CN101435451A Movable arm potential energy recovery method and apparatus of hydraulic excavator |
| 05/20/2009 | CN101435448A Combined actuator with rheological control brake |
| 05/20/2009 | CN101435442A Method for processing hydraulic oil tank |
| 05/20/2009 | CN101434372A Hydraulic system control method and apparatus for fuel charger |
| 05/14/2009 | WO2009060091A1 Hydraulic pressure transformer and method for the operation thereof |
| 05/13/2009 | EP2058529A2 Vehicle fluid change apparatus and method |