Plate elements for fuel cell stacks
US7662499B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2003 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Jan 9, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a plate element for a fuel cell stack which comprises a frame region and at least one inner region which is surrounded by the frame region. In addition, it has a plurality of webs which extend from the frame region into the at least one inner region and define a flow guidance structure in the at least one inner region, in which at least four bore holes are in the frame region of which at least two are connected with the flow guidance structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.