Patent · US Expired

Plate elements for fuel cell stacks

US7662499B2 · kind B2 · utility

2Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 2003
Grant dateFeb 16, 2010
Priority date
Expiry dateJan 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.