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:
Jun. 22, 1993
Filed:
Sep. 05, 1991
Hiromasa Morimoto, Tokyo, JP;
Hiroyoshi Uematsu, Yokohama, JP;
Satoshi Hatori, Ibaraki, JP;
Kazunori Kobayashi, Yokohama, JP;
Tomoji Hikita, Tokyo, JP;
Kenichi Shinozaka, Osaka, JP;
Shigeto Nakagawa, Tokai, JP;
Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo, JP;
Tokyo Gas Co., Ltd., Tokyo, JP;
Osaka Gas Co., Ltd., Osaka, JP;
Toho Gas Co., Ltd., Nagoya, JP;
Abstract
The power generation system includes a reformer and two fuel cell stacks. The reformer and the fuel cell stacks are provided in series. Fuel gas produced by the reformer is introduced to a first anode of the first fuel cell stack. Gases discharged from the first anode are directly introduced to a second anode of the second fuel cell stack. Air is introduced to a first cathode of the first fuel cell stack. Gases discharged from the first cathode are cooled by a cooling device and then introduced to a second cathode of the second fuel cell stack. Gases discharged from the second anode and gases discharged from the second cathode are introduced to a heating chamber of the reformer. Gases discharged from the heating chamber are introduced to a steam generator to produce steam used for reformation and then recirculated to the first cathode.