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:
Aug. 18, 1987
Filed:
Aug. 05, 1986
Takaaki Uno, Kawasaki, JP;
Nissan Motor Co., Ltd., , JP;
Abstract
A vehicle is provided with a system for steering front wheels, a system for steering rear wheels, a vehicle speed sensor and a controller. By sending a command signal to the rear wheel steering system, the controller steers the rear wheels in an in-phase mode in which the rear wheel steer direction is the same as the front wheel steer direction when the vehicle speed is high, and in a fixed mode in which the rear wheels are not steered at all or in an opposite phase mode in which the rear wheel steer direction is opposite to the front wheel steer direction when the vehicle speed is low. There is further provided with means for detecting a failure in the rear wheel steering system, vehicle speed and controller. The controller is arranged to steer the rear wheels always in the in-phase mode irrespectively of the vehicle speed if a failure is detected.