Gaskets for fuel cells
US8338057B2 · kind B2 · utility
0Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2007 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4911
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gasket for sealing internal surfaces of a fuel cell and formed of compressible material, the gasket comprising a first sealing surface and a second sealing surface for providing a fluid seal against opposing faces of a first fluid flow field plate and a second fluid flow field plate respectively, the gasket further comprising a third sealing surface for sealing against an outer perimeter region of a first surface of a membrane electrode assembly, the third sealing surface being entirely enclosed within a boundary defined by an inner perimeter of the second sealing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.