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:
Jan. 18, 2011
Filed:
Oct. 12, 2005
Shigeru Inai, Wako, JP;
Katsumi Hayashi, Wako, JP;
Hiromichi Yoshida, Wako, JP;
Ryo Jinba, Wako, JP;
Minoru Koshinuma, Wako, JP;
Naoki Mitsuta, Wako, JP;
Shigeru Inai, Wako, JP;
Katsumi Hayashi, Wako, JP;
Hiromichi Yoshida, Wako, JP;
Ryo Jinba, Wako, JP;
Minoru Koshinuma, Wako, JP;
Naoki Mitsuta, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A method of operating a fuel cell assembly and a fuel cell system use a simple construction to restrain deterioration of power generating performance of a fuel cell assembly at a startup in a subfreezing environment. If an ignition switch is turned off is STEP, a control unit determines in STEPwhether the temperature of a fuel cell assembly (the internal temperature of the fuel cell assembly) is lower than a predetermined temperature, which is higher than the temperature at which the water produced during power generation freezes. If the internal temperature of the fuel cell assembly is the predetermined temperature or higher, then the processing proceeds to STEPwherein a power generating condition is adjusted to cause the internal temperature of the fuel cell assembly to rise. In STEP, an alarm device is actuated. The power generation is continued until the internal temperature of the fuel cell assembly reaches the predetermined temperature or higher, and then the power generation is stopped in STEP