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. 14, 2010
Filed:
Oct. 06, 2005
Susumu Kobayashi, Nara, JP;
Yasuhiro Seki, Osaka, JP;
Susumu Kobayashi, Nara, JP;
Yasuhiro Seki, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The invention provides an MEA-gasket assembly () comprising: an MEA () having a polymer electrolyte membrane (A), catalyst layers and gas diffusing layers (C); a plate-like frame () which is joined to a portion of the polymer electrolyte membrane (A) so as to enclose the MEA (), the portion being located in a peripheral region of the MEA () and which has a plurality of fluid manifold holes (); and an annular gasket () formed on both faces of the frame (), wherein an annular gap formed between the inner peripheral edge of the annular gasket () and the outer peripheral edges of the gas diffusing layers (C) is at least partially closed.