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:
Feb. 10, 2004
Filed:
Mar. 14, 2002
Nancy Michelle Atkinson, Brownstown Township, MI (US);
Syun Kyung Lee, Ann Arbor, MI (US);
Todd Allen Brown, Dearborn, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A method and apparatus for overcoming negative torque transfer in a passive coupling ( ) in a vehicle ( ) having all wheel drive. The vehicle ( ) includes a front driveshaft ( ), a rear driveshaft ( ), with the passive coupling ( ) connecting the front driveshaft ( ) and the rear driveshaft ( ). The vehicle ( ) also includes a transmission ( ) operatively connected to the passive coupling ( ). The method includes determining negative torque transfer in the passive coupling ( ) and requesting the vehicle ( ) to increase transmission output equal to the negative torque transfer.