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:
Jun. 19, 1990
Filed:
Apr. 11, 1989
Applicant:
Inventors:
Paul C Bloor, Warwick, GB;
Jonathan A Fuller, Warwick, GB;
Assignee:
Austin Rover Group Limited, Coventy, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
180 791 ; 310190 ;
Abstract
A power assisted steering system which utilizes a brushless electric motor having a rotor and a wound stator. The rotor is directly connected to the steering shaft 12 rotated by a driver of the vehicle, and is formed by a number of permanent magnets secured in respective recesses on the steering shaft. The controller 17 associated with the steering system is arranged to switch off the motor 15 above a pre-determined vehicle speed.