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:
Apr. 13, 2004
Filed:
Sep. 30, 2002
Jin Li, Rochester Hills, MI (US);
Mark Buchanan, Rochester Hills, MI (US);
BorgWarner Inc., Auburn Hills, MI (US);
Abstract
A method for the control of a bi-directional overrunning clutch assembly ( ) disposed within a vehicle transmission, including the steps of initiating a drive function control routine ( ) within an electronic control unit and sensing the commanded gear ratio within the transmission. The method steps further include determining whether a first gear function ( ) should be initiated based on the commanded gear ratio and determining whether a second gear function ( ) should be initiated based on the commanded gear ratio. The method also includes sensing whether the reverse engagement members ( B) and the forward engagement members ( A) of the bi-directional clutch ( ) are engaged when neither the first gear function ( ) nor the second gear function ( ) are initiated.