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. 10, 2001
Filed:
Feb. 12, 1999
Narutoshi Sugita, Asaka, JP;
Koji Okazaki, Shiki, JP;
Takeshi Yamagami, Omiya, JP;
Takashi Komura, Saitama-ken, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A fuel cell stack has a plurality of fuel cells, separators sandwiching each of the fuel cells, and first and second end plates disposed on respective opposite ends of the plurality of fuel cells. A fastening structure incorporated in the fuel cell stack has a liquid chamber disposed on an outer surface of the first end plate, a silicone oil filled in the liquid chamber, and a pressurizing mechanism disposed on an outer surface of the second end plate, for pressing the fuel cells toward the first end plate. The plurality of fuel cells is given a uniform surface pressure, and can be reduced in weight and made compact.