Featured patents

Fluid Accumulator Chamber
US 08851257 B2, Oct. 7, 2014, Separate reservoir, Frank M. Haase et al. / BorgWarner Inc. (Auburn Hills, US)
A fluid accumulator chamber (1) of a fluid clutch device…

Constant-Force Device and Micrometer
US 08833535 B2, Sept. 16, 2014, Positive, Yoshiaki Shiraishi et al. / Mitutoyo Corporation (Kawasaki-Shi, JP)
A constant-force device comprising:…

Free-Wheel Cage Ring With Centrifugal-Force Lifting
US 08813931 B2, Aug. 26, 2014, Wedging pawl or block, Siegfried Jackwerth et al. / RINGSPANN GmbH (Bad Homburg, DE)
A free-wheel cage ring, comprising two annular flanged disks (1, 2; 11, 12)…

Bearing Centering Plate Centered on a Piston
US 08863922 B2, Oct. 21, 2014, Having fluid-pressure operator, Mark Graf / Schaeffler Technologies GmbH & Co. KG (Herzogenaurach, DE)
An assembly for a clutch, comprising:…

Arrangement for Shifting a Gearbox
US 08869963 B2, Oct. 28, 2014, Radial-radial, Jörg Börner et al. / ZF Friedrichshafen AG (Friedrichshafen, DE)
An arrangement for shifting a transmission, the arrangement comprising:…

Three-Stage Hysteresis for Series Damper
US 08727086 B2, May 20, 2014, Having fluid-pressure operator, Markus Steinberger et al. / Schaeffler Technologies GmbH & Co. KG (Herzogenaurach, DE)
A torque converter damper, comprising:…

Powertrain Pressure Control System
US 08695774 B2, April 15, 2014, Including fluid pressure control, Chi-Kuan Kao et al. / GM Global Technology Operations LLC (Detroit, US)
A pressure control system for a powertrain having a friction launch clutch,…

Electronically Controlled Fluid Coupling Device With Fluid Scavenge Control
US 08596438 B2, Dec. 3, 2013, Magnetic or electric, Rick L. Boyer / BorgWarner Inc. (Auburn Hills, US)
An electronically controlled fluid coupling device for a fan comprising:…

Parking Lock Device for Motor Vehicle
US 08573378 B2, Nov. 5, 2013, Parking pawl, Juergen Stauber / ZF Friedrichshafen AG (Friedrichshafen, DE)
A parking lock device for a motor vehicle transmission, the parking lock device…

Hydraulic Circuit for Controlling a Hybrid Clutch and an Automatic Transmission of a Motor Vehicle
US 08544624 B2, Oct. 1, 2013, Electrically triggered, Marco Grethel / Schaeffler Technologies AG & Co. KG (Herzogenaurach, DE)
A hydraulic circuit for controlling a hybrid clutch and an automatic transmission…

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