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:
Apr. 12, 2011
Filed:
Dec. 05, 2007
Shinji Ichikawa, Toyota, JP;
Eiji Sato, Nishikamo-gun, JP;
Shinji Ichikawa, Toyota, JP;
Eiji Sato, Nishikamo-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
When power storage units and are both in a normal condition, system relays are maintained in an ON state. A converter performs a voltage conversion operation in accordance with a voltage control mode, and a converter performs a boost operation in accordance with an electric power control mode. If some kind of fault condition occurs in the power storage unit and the system relay is driven to an OFF state, the converters stop the voltage conversion operation and maintain an electrically conducting state between the power storage units and a main positive bus, a main negative bus.