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:
May. 21, 2024
Filed:
Oct. 05, 2020
Showa Corporation, Gyoda, JP;
Shingo Ishige, Haga-gun, JP;
Yusuke Anma, Haga-gun, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
A steering device includes: a plurality of electric motorsconfigured to be driven to turn wheels of a vehicle; and three or more drive systemseach configured to output a driving force for driving a corresponding one of the electric motorsto the corresponding one of the electric motors. A total of maximum driving forces each of which is a maximum value of a driving force of each drive systemof the steering device is set larger than a required driving force required to turn the wheels with the vehicle stationary, and in an event of a failure occurring in one of the three or more drive systems, a total of the maximum driving forces of other properly working drive systemsout of the three or more drive systemsamounts to the required driving force.