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:
Sep. 26, 1995
Filed:
Dec. 30, 1992
Takashi Imaseki, Kanagawa, JP;
Yuichi Fukuyama, Kanagawa, JP;
Masato Fukino, Kanagawa, JP;
Masato Origuchi, Kanagawa, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A wheel motor drive system for electric automobiles comprises a car battery mounted on a vehicle body, at least two electric motors connected to vehicle wheels independently of each other, each of the motors having inherent torque characteristics with regard to a rotational speed and a maximum torque, sensors for monitoring a vehicle travelling condition, and a controller responsive to the vehicle travelling condition and the torque characteristics of the motors for controlling the motors at a low power consumption mode wherein at least one of the motors is driven within a high motor efficiency range so as to assure a long travel distance per one battery discharge.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile