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:
Dec. 06, 1994
Filed:
Feb. 09, 1993
Applicant:
Inventor:
Takashi Imaseki, Zushi, JP;
Assignee:
Nissan Motor Company, Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318 52 ; 318807 ;
Abstract
A system for driving an electric automotive vehicle controls a slip frequency of a motor by feeding back to a signal control part a rotational speed detected by a motor speed sensor when the motor speed is normal. When the motor speed sensor is abnormal the system controls the slip frequency by feeding back to the signal control part the rotational speed estimated in accordance with an operating condition of the vehicle.
Imaseki, Takashi. (1994). System for and method of driving electric automotive vehicle (U.S. Patent No. 5371446). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5371446
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile