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:
Dec. 31, 2013
Filed:
Oct. 26, 2006
Applicants:
Mark A. Zerbini, Canton, MI (US);
Goro Tamai, West Bloomfield, MI (US);
Inventors:
Mark A. Zerbini, Canton, MI (US);
Goro Tamai, West Bloomfield, MI (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60W 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of regulating operation of a hybrid vehicle traveling on a surface having a grade includes determining a drive force of the hybrid vehicle, calculating a brake pressure value and determining whether a grade freeze condition exists based on the brake pressure value. The method further includes calculating a grade value of the surface based on the drive force when the freeze condition does not exist and regulating operation of the hybrid vehicle based on the grade value.