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:
Sep. 09, 2008
Filed:
May. 06, 2003
Applicants:
Yasumichi Wakao, Tokyo, JP;
Keizo Akutagawa, Tokyo, JP;
Inventors:
Yasumichi Wakao, Tokyo, JP;
Keizo Akutagawa, Tokyo, JP;
Assignee:
Kabushiki Kaisha Bridgestone, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 23/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A car control apparatus including a wheel sensor, wheel torque calculating means for calculating wheel torque from the wheel speed, drive force detecting means for detecting drive force generated by an electric motor, car body drive force calculating means for calculating car body drive force from the above drive force and wheel torque, car body drive force fluctuating component extracting means for extracting multiple frequency band fluctuating components of the car body drive force, and drive or braking force control unit for controlling the running state of a car.