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:
Oct. 09, 2007
Filed:
Oct. 23, 2003
Tatsuya Sugawara, Utsunomiya, JP;
Kouji Miyano, Utsunomiya, JP;
Kuri Kasuya, Utsunomiya, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
The present invention is carried out to improve the starting capability of a fuel cell at low temperatures. The fuel cell system comprises a fuel cellwhich generate electric power by supplying hydrogen gas and a oxidant gas, a hydrogen gas passagefor supplying hydrogen to the fuel cell, a hydrogen off gas circulation passagefor returning the hydrogen off gas to the hydrogen supply flow path, a hydrogen pumpprovided at the hydrogen gas off gas circulation passagefor boosting the hydrogen off gas, a hydrogen off gas bypass passagefor returning the hydrogen off gas to the hydrogen supply flow path, an ejectorfor sending hydrogen off gas in the hydrogen off gas bypass passageprovided in the hydrogen gas supply flow pathto the hydrogen supply flow path