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. 09, 2003
Filed:
Jun. 15, 2001
Myron Krasij, Avon, CT (US);
Bryan F. Dufner, West Hartford, CT (US);
Ronald G. Martin, Monson, MA (US);
UTC Fuel Cells, LLC, South Windsor, CT (US);
Abstract
A sealant system for a manifold of a proton exchange membrane fuel cell includes low temperature cured or heat cured silicone rubber bridges between the end plates to compensate for the uneven edges of various fuel cell component layers, and a layer of silicone rubber foam or sponge, or a molded silicone rubber gasket extending across the bridges and along the end plates, around the entire contact perimeter surfaces of the manifold, to seal the manifold to the fuel cell. The cured silicone rubber may extend along the end plates between the bridges. A rubber strip may be adhered to the silicone rubber bridges and end plates. The bridges may comprise a first layer of low shrinkage self-leveling RTV liquid rubber with viscosity in the range of 10,000-20,000 cps and a second layer of RTV liquid rubber.