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:
Jul. 01, 2014
Filed:
Aug. 24, 2004
Yasushi Sugawara, Osaka, JP;
Junji Morita, Osaka, JP;
Makoto Uchida, Osaka, JP;
Takayuki Urata, Hyogo, JP;
Shinya Kosako, Hyogo, JP;
Takahiro Umeda, Nara, JP;
Soichi Shibata, Osaka, JP;
Masataka Ozeki, Osaka, JP;
Akinari Nakamura, Osaka, JP;
Yoshikazu Tanaka, Kyoto, JP;
Yoichiro Tsuji, Osaka, JP;
Yasushi Sugawara, Osaka, JP;
Junji Morita, Osaka, JP;
Makoto Uchida, Osaka, JP;
Takayuki Urata, Hyogo, JP;
Shinya Kosako, Hyogo, JP;
Takahiro Umeda, Nara, JP;
Soichi Shibata, Osaka, JP;
Masataka Ozeki, Osaka, JP;
Akinari Nakamura, Osaka, JP;
Yoshikazu Tanaka, Kyoto, JP;
Yoichiro Tsuji, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A fuel cell system includes a fuel cell; a fuel gas supplying unit supplying the fuel gas into the fuel cell on the anode side thereof; an oxidizing agent gas supplying unit supplying the oxidizing agent gas into the fuel cell on the cathode side thereof; a raw material gas supplying unit supplying the raw material gas into the fuel cell; and a controlling unit controlling the supply of the fuel gas, the oxidizing agent gas and the raw material gas. After switching the output of electric power or the fuel cell off, the fuel gas supplying unit suspends the supply of the fuel gas, the oxidizing agent gas supplying unit suspends the supply of the oxidizing agent gas and the raw material gas supplying unit supplies the raw material gas into the fuel cell to purge the fuel cell on the cathode side.