Unit cell structure comprising composite-gasket for fuel cell stack
US7537855B2 · kind B2 · utility
1Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2004 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Jan 1, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite gasket for fuel cell stack comprises two rows of beads and a support which can improve mountability and sealing property and reduce the assembly pressure by using materials having low hardness with reduced volume. This invention also relates to a structure for the assembly of the composite gasket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.