Featured patents

Hydraulic Motor Driving Device
US 08776666 B2, July 15, 2014, By varying reaction plate inclination relative to cylinder axes, Satoshi Mori / Kayaba Industry Co., Ltd. (Tokyo, JP)
A hydraulic motor driving device that varies a capacity of a hydraulic motor…

Hydraulic Control System and Method
US 08763513 B1, July 1, 2014, Electrical input and feedback signal means (459), Arnold Peterson
A system for moving a platform, the system comprising:…

Floating Piston Actuator for Operation With Multiple Hydraulic Systems
US 08677885 B2, March 25, 2014, Stand-by means utilizes an auxiliary motive fluid source for another working member to drive same load, Rhett Henrickson et al. / Woodward HRT, Inc. (Santa Clarita, US)
A hydraulic actuator, comprising:…

Actuating Device for a Shift Element of a Transmission Device Which Can Be Applied With an Actuating Pressure
US 08667885 B2, March 11, 2014, Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber, Georg Gierer et al. / ZF Friedrichshafen AG (Friedrichshafen, DE)
An actuating device (1) for a shift element (B) of a transmission mechanism,…

Hydraulic Control System
US 08671824 B2, March 18, 2014, Expanding chamber inlet controlled by contracting chamber pressure or flow, Wolfgang Kauss et al. / Robert Bosch GmbH (Stuttgart, DE)
A hydraulic control system for supplying pressure fluid to at least one consumer…

Output System for a Plurality of Masses
US 08640601 B2, Feb. 4, 2014, Plural Relatively Movable or Rigidly Interconnected Working Members, Christoph Schmid / Henkel AG & Co. KGaA (Duesseldorf, DE)
An output system for the extraction and/or output of plural masses, comprising…

Solenoid Valve Assembly
US 08635940 B2, Jan. 28, 2014, Means to simultaneously open working chambers to inlet or exhaust, Xiangrong Shen et al. / Vanderbilt University (Nashville, US)
A system comprising:…

Active Implement Down Force System With Automatic Latching of Tractor Power Beyond Pressure
US 08573111 B2, Nov. 5, 2013, Between working chamber and inlet and exhaust valve, William Douglas Graham et al. / Deere & Company (Moline, US)
An improvement in an active hydraulic down pressure system for an agricultural…

Cushioning System for Pneumatic Cylinder of Differential Engine
US 08528459 B2, Sept. 10, 2013, Part movable with respect to working member, Gennady Plavnik / Wabtec Holding Corp. (Wilmerding, US)
A cushioning system for use with a pneumatic cylinder/differential engine door…

Valvetrain Oil Control System and Oil Control Valve
US 08534182 B2, Sept. 17, 2013, Expanding chamber inlet controlled by contracting chamber pressure or flow, Robert D. Keller et al. / Eaton Corporation (Cleveland, US)
A hydraulic control system for a valve train comprising:…

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