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:
Mar. 01, 2022
Filed:
Sep. 05, 2017
Applicant:
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Inventors:
Assignee:
Hitachi Astemo, Ltd., Hitachinaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); B62D 6/00 (2006.01); B62D 15/02 (2006.01);
U.S. Cl.
CPC ...
B62D 5/0463 (2013.01); B62D 5/04 (2013.01); B62D 5/0481 (2013.01); B62D 6/00 (2013.01); B62D 15/021 (2013.01);
Abstract
A motor torque control section switches a change rate of a motor torque for approximating the motor torque to an assist torque according to relationship between the motor torque of an electric motor and the assist torque and according to a change in a turning angle, after automatic steering is cancelled according to a steering torque.