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. 30, 2015
Filed:
Nov. 08, 2012
Ntn Corporation, Osaka, JP;
Tomoaki Makino, Iwata, JP;
NTN CORPORATION, Osaka, JP;
Abstract
An electric vehicle is provided in which left and right drive wheels are driven by respective motors, and which enables slip control in a simple structure while preventing a driver who used to drive an engine vehicle with a differential from feeling uncomfortable. The vehicle includes a controller having a computer controlling the two motors including a basic control unit, a slip determiner, and a dual-wheel-drive-reduction unit. The control unit determines driving forces of the motors such that the forces are equal to each other, depending on a depression of an accelerator pedal. The determiner detects slippage between each of the wheels, and a road surface. The dual-wheel-drive-reduction unit reduces, when the determiner determines that greater slippage has occurred at at least one of the wheels, drive currents of the motors.