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:
Sep. 25, 2012
Filed:
Dec. 18, 2008
Kenji Umayahara, Nishikamo-gun, JP;
Takeshi Maenaka, Toyota, JP;
Atsushi Imai, Gamagori, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
Provided is a fuel cell system that can change the number of active phases in a DC/DC converter in order to prevent overcurrent from flowing through one point (e.g., a reactor of the DC/DC converter) in the system. In step S, whether or not the system is in a state that causes a rapid change in a voltage command value is checked. If the system is in a state that causes a rapid change in the voltage command value, the processing goes to step S, and if not, the processing goes to step S. In step S, a DC/DC converter is prohibited from being driven in a single phase and the processing ends. In step S, the DC/DC converter is permitted to be driven in a single phase and the processing ends.