Patent · US Active

Fuel cell system having water-retaining material

US7718297B2 · kind B2 · utility

1Cited by

0References

20Claims

0Family size

Assignee

GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

Reiner Wilpsbaeumer · Wiesbaden, DE
Detlef Guenther · Mainz, DE
Remy Fontaine · Montlhéry, FR
Dirk Wexel · Mainz, DE

Key dates

Filing date	Nov 8, 2006
Grant date	May 18, 2010
Priority date	—
Expiry date	Oct 16, 2028

Classification

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

Abstract

A product comprising a fuel cell stack comprising a cathode outlet, a first conduit connected to the cathode outlet and to a first housing, a water-retaining material provided in said first housing, a bypass conduit connected to the cathode outlet of the fuel cell system, and a first valve for opening and closing at least one of said first conduit and said bypass conduit.

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