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:
Dec. 11, 2012
Filed:
May. 19, 2010
Shigeru Watanabe, Kanagawa-Ken, JP;
Kenichi Oba, Kanagawa-Ken, JP;
Shigeru Watanabe, Kanagawa-Ken, JP;
Kenichi Oba, Kanagawa-Ken, JP;
NOK Corporation, Tokyo, JP;
Abstract
In a fuel cell, an elastic body provides first protrusion Tthat encompasses the perimeter of the passage hole at plate memberand the leading edge of which spans the entire region and tightly adheres to plate member, provides second protrusion Sthat is disposed within the placement region of reaction membraneso as to encompass the perimeter of the gas diffusion layer, and provides third protrusion Sthat is disposed to encompass the region at which first protrusion Tis disposed and the region at which second protrusion Sis disposed, and is disposed outside the placement region for the reaction membrane, and the leading edge of which spans the entire region and tightly adheres to a separator