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. 03, 2014
Filed:
Jul. 21, 2011
Applicants:
Naoyuki Tashiro, Atsugi, JP;
Ryo Inaba, Hitachi, JP;
Shinya Sato, Hitachinaka, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2011.01); G06F 17/00 (2006.01); B60T 8/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive control device for an electric vehicle that is driven by a motor-generator, includes: a detection unit that detects a fact that an accelerator pedal depression amount and a brake pedal depression amount of the electric vehicle are both zero; and a control unit that sets a regenerative braking torque command value for the motor-generator to zero, while the detection unit is detecting the fact.