The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2001
Filed:
Oct. 22, 1999
Christopher Brian Ross, Chelsea, MI (US);
General Motors Corporation, Detroit, MI (US);
Abstract
A fluid operated selectively engageable torque transmitter has a fluid operated piston that is pressurized to initiate engagement of a plurality of friction plates. The plates are alternately splined to an input member and an output member. One of the input or output members has a hub member threadably engaged therewith. The hub member has one set of plates and an apply plate splined thereto. Also connected with the threaded hub is a reaction plate. When the piston is lightly pressurized, the hub will traverse the input or output member on which it is threaded until the apply plate abuts a reaction surface on the member at which point the torque transmitter will be fully engaged. Upon a torque reversal, the threaded hub will traverse in the opposite direction to disengage the torque transmitter, thereby providing a direction sensitive mechanism. When the piston is fully pressurized, the torque transmitter will respond in a normal manner to transmit torque in both directions.