Featured patents

Control Device of a Rotating Shifting Element of an Automatic Transmission for Engine Start-Stop Operation
US 08839930 B2, Sept. 23, 2014, With means to move clutch-element axially and latch into engaged or disengaged position, Horst Rogner / ZF Friedrichshafen (Friedrichshafen, DE)
A device for controlling a rotating shifting element of an automatic transmission…

US 08844697 B2, Sept. 30, 2014, With means to cool or lubricate clutch parts, Jonathan Charles Wheals et al. / Ricardo UK Ltd (West Sussex, GB)
A clutch assembly having a driving plate arranged in communication with a thermal…

Fan Drive System With Sensor Feedback
US 08807313 B2, Aug. 19, 2014, Temperature and speed, Joshua L. Roby / BorgWarner Inc. (Auburn Hills, US)
A wet friction clutch assembly comprising:…

Mechanical Device for the Transmission of a Force With a Threshold
US 08789672 B2, July 29, 2014, Axially engaged, Arnaud Lafitte et al. / Messier-Bugatti-Dowty (Velizy Villacoublay, FR)
A mechanical transmission device for transmitting a threshold force, the device…

Friction Plate and Wet-Type Multi-Plate Clutch Having Such Friction Plate
US 08714333 B2, May 6, 2014, Grooved surfaces, Tomoyuki Miyazaki et al. / NSK-Warner K.K. (Tokyo, JP)
A friction plate having a friction surface formed by sticking an annular friction…

Control Element for a Parking Lock
US 08678160 B2, March 25, 2014, Parking pawl, Carsten Weifels / ZF Friedrichshafen AG (Friedrichshafen, DE)
A parking lock control element (2) for controlling a parking lock pawl…

Strut for a Controllable One-Way Clutch
US 08646587 B2, Feb. 11, 2014, Positive, John W. Kimes / Means Industries, Inc. (Saginaw, US)
A strut for a controllable one-way clutch, the strut comprising:…

US 08443954 B2, May 21, 2013, Rotary electric motor is clutch actuator, Klaus Eder et al. / Magna Powertrain AG & Co KG (Lannach, AT)
A clutch comprising: two…

Dog Clutch Gear
US 08448771 B2, May 28, 2013, Positive, Satoshi Kuwashima / Honda Motor Co., Ltd. (Tokyo, JP)
A dog clutch gear, comprising:…

Balanced Clutch System
US 08453819 B2, June 4, 2013, Including balance chamber, Glenn E. Meeusen et al. / Twin Disc, Inc. (Racine, US)
A balanced clutch system, comprising:…

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