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:
May. 27, 2003
Filed:
Feb. 15, 2001
Haruhiko Kato, Anjo, JP;
Naoto Hotta, Aichi-gun, JP;
Kunio Okamoto, Okazaki, JP;
Tadayoshi Terao, Toyoake, JP;
Kiyoshi Kawaguchi, Toyota, JP;
Masanori Uehara, Kariya, JP;
Denso Corporation, Kariya, JP;
Abstract
A fuel cell system includes a fuel cell (FC stack), an inflow passage valve provided in a hydrogen inflow passage through which hydrogen is supplied to the FC stack, and a discharge passage valve provided in a hydrogen discharge passage through which hydrogen containing gas is discharged from the FC stack as exhaust gas. In the fuel cell, hydrogen is supplied to the FC stack intermittently in accordance with an amount of hydrogen consumed in the FC stack, by controlling opening and closing of the inflow passage valve and the hydrogen discharge valve.