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. 28, 2013
Filed:
Mar. 15, 2012
Takeo Nagamori, Toyota, JP;
Yoshihiro Sakaguchi, Okazaki, JP;
Takeo Nagamori, Toyota, JP;
Yoshihiro Sakaguchi, Okazaki, JP;
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A front-and-rear-wheel-drive vehicle includes first and second electric drive motors which drive front and rear wheels, the second electric drive motor has a maximum torque greater than that of the first electric drive motor, a first speed reducer which reduces rotation of the first electric drive motor, a second speed reducer which reduces rotation of the second electric drive motor at a speed reduction ratio smaller than that of the first speed reducer, the speed reduction ratios of the first and second speed reducers are set in a manner that a maximum rate of rotation of one of the front and rear wheels corresponding to that of the second electric drive motor is greater than a maximum rate of rotation of the other wheel corresponding to that of the first electric drive motor.