Featured patents

Hydraulic Load Control Valve Device
US 08800426 B2, Aug. 12, 2014, Contracting chamber exhaust valve controlled by expanding chamber pressure or flow, Bo Andersson / Nordhydraulic AB (Kramfors, SE)
A hydraulic load control valve device, comprising:…

Hydraulic Servo-Drive Device and Variable Turbo-Supercharger Using the Same
US 08770087 B2, July 8, 2014, Axially movable spool-type valve, Masayuki Tajima et al. / Komatsu Ltd. (Tokyo, JP)
A variable geometry turbocharger, comprising:…

Valve Apparatus
US 08739681 B2, June 3, 2014, Relatively movable unitary inlet and exhaust valves for opposed working chambers, Axel Grigoleit et al. / Hydac Fluidtechnik GmbH (Sulzbach/Saar, DE)
A valve apparatus for setting and monitoring a clamping pressure of a clamping…

Hydraulic Valve Device
US 08667884 B2, March 11, 2014, Expanding chamber inlet controlled by contracting chamber pressure or flow, Bo Andersson / Nordhydraulic AB (Kramfors, SE)
A hydraulic valve device comprising:…

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…

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:…

Valve Arrangement Having Individual Pressure Scale and Load-Lowering Valve
US 08516944 B2, Aug. 27, 2013, Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber, Matthieu Desbois-Renaudin / Robert Bosch GmbH (Stuttgart, DE)
A valve arrangement for supplying pressure medium to a hydraulic consumer (2),…

Electro-Mechanical Control System for Positioning Fluid Motors
US 08468931 B2, June 25, 2013, Cable, James B. Johnson
A fluid motor control system comprising:…

Hydraulic System Including Priority Based Valve Sequencing
US 08474364 B2, July 2, 2013, Pressure responsive valve divides motive fluid between motors, Duqiang Wu et al. / Eaton Corporation (Cleveland, US)
A method comprising:…

Bidirectional Hydraulic System for Operating Table
US 08459173 B2, June 11, 2013, Single valve for relatively movable working members, Jyh-Wei Liang / Amtai Medical Equipment, Inc. (Raleigh, US)
A bidirectional hydraulic system comprising:…

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