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. 25, 2006
Filed:
May. 30, 2002
Applicant:
Hyeongcheol Lee, Ann Arbor, MI (US);
Inventor:
Hyeongcheol Lee, Ann Arbor, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vehicle drive control system comprising a primary driving system having a first power source for providing torque to a first set of one or more wheels and an auxiliary driving system having a second power source for providing torque to a second set of one or more wheels of the vehicle. The auxiliary driving control system is configured to apply torque to a second set of one or more wheels of the vehicle to arrest downhill movement of the vehicle.