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:
Feb. 15, 2005
Filed:
Dec. 17, 1999
Keiji Hashimoto, Toyota, JP;
Masanao Shiomi, Toyota, JP;
Hirotaka Fukatsu, Toyota, JP;
Kousuke Kawajiri, Toyota, JP;
Seiken Hashimoto, Toyota, JP;
Hiroyuki Morita, Toyota, JP;
Keiji Hashimoto, Toyota, JP;
Masanao Shiomi, Toyota, JP;
Hirotaka Fukatsu, Toyota, JP;
Kousuke Kawajiri, Toyota, JP;
Seiken Hashimoto, Toyota, JP;
Hiroyuki Morita, Toyota, JP;
Toyota Auto Body Co., Ltd., Kariya, JP;
Abstract
A fuel cell composed of a plurality of cell function assemblies of each of which includes a set of spaced electrolytic membranes, two pairs of electrode plates in contact with opposite surfaces of each of the electrolytic membranes, a set of separators, and a set of six support frames assembled to retain the electrolytic membranes and separators in position. In the fuel cell, the separators each are in the form of a flat plate of synthetic resin integrally provided with a plurality of spaced projections made of pressed carbon powder and retained in contact with the electrode plates to form a pair of reaction chambers at opposite sides of each of the electrolytic membranes.