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:
Feb. 27, 2018
Filed:
Oct. 13, 2015
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Kazuyuki Sasaki, Nagoya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
There is provided a vehicle electric power system comprising: a battery; a first DC-DC converter configured to step down a voltage of electric power; a second DC-DC converter configured to step down the voltage of the electric power; an electric power storage unit configured to accumulate energy of the electric power whose voltage is stepped down to a first voltage by the second DC-DC converter; an electric power receiving unit configured to receive an electric power from an external device, a voltage of the received electric power being less than the first voltage; and a control circuit configured to control the first DC-DC converter and the second DC-DC converter; wherein the control circuit is started with the electric power received by the electric power receiving unit and operated with electric power, whose voltage is a second voltage less than the first voltage.