Patent · US Expired

Fuel cell unit

US6921602B2 · kind B2 · utility

4Cited by

7References

15Claims

0Family size

Assignees

ElringKlinger AG · DE
DEUTSCHES ZENTRUM FÜR LUFT—UND RAUMFAHRT E.V. · DE

Inventors

Armin Diez · Lenningen, DE
Michael Lang · Andover, US

Key dates

Filing date	Jul 17, 2002
Grant date	Jul 26, 2005
Priority date	—
Expiry date	Mar 17, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In order to provide a fuel cell unit, comprising a housing which limits at least one gas chamber and has a gas opening in a first housing wall and a gas opening in a second housing wall located opposite the first housing wall, the housing of which has an adequate deformation stability in relation to the sealing surface pressure required for a flat seal even at high temperatures, it is suggested that the fuel cell unit comprise at least one supporting element which is arranged between the first housing wall and the second housing wall and keeps the two housing walls at a distance from one another.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.