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.:

US 8258740 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 04, 2012

Filed:

Sep. 09, 2008
Applicants:

Chihiro Wake, Utsunomiya, JP;

Jumpei Ogawa, Wako, JP;

Inventors:

Chihiro Wake, Utsunomiya, JP;

Jumpei Ogawa, Wako, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/44 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel cell system and method comprising a fuel cell stack formed by stacking fuel cells, a high voltage energy storage capable of being directly coupled to the fuel cell stack, a DC-DC converter connected to the fuel cell stack and the energy storage, a load operated by consuming at least electrical energy generated by the fuel cell stack or electrical energy discharged from the energy storage, a fuel cell warming up control unit for warming up the fuel cell stack, and a voltage adjustment unit for implementing voltage control to control the output voltage of the fuel cell stack to become equal to, or higher than the terminal voltage of the energy storage, at the time of warming up the fuel cell stack.


Find Patent Forward Citations

Wake, Chihiro. (2012). Fuel cell system and method of starting operation of fuel cell system (U.S. Patent No. 8258740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8258740

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