US Patent 7445106 Electronically-controlled hydraulically-actuated coupling

Patent 7445106 was granted and assigned to American Axle on November, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

American Axle

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74451060

Patent Inventor Names

Russell T. Capito0

Date of Patent

November 4, 2008

Patent Application Number

112014680

Date Filed

August 11, 2005

Patent Primary Examiner

‌

Rodney H. Bonck

Patent abstract

A power transmission device includes a friction clutch operable to selectively transfer torque between an input member and an output member. An actuator is operable to provide an actuating force to the friction clutch. The actuator includes an electric motor having an output shaft drivingly coupled to a gerotor. The gerotor is operable to provide pressurized fluid to a piston acting on the friction clutch.