Patent · US Active

Fuel cell stack

US9385394B2 · kind B2 · utility

0Cited by

2References

10Claims

0Family size

Assignee

Daimler AG · DE

Inventors

Matthias Guenthart · Aarau, CH
Ulf-Michael Mex · Stuttgart, DE
Holger Stark · Allmersbach im Tal, DE
Uwe Werner · Hütten, CH
Pius KOBLER · Zürich, CH

Key dates

Filing date	Dec 15, 2012
Grant date	Jul 5, 2016
Priority date	—
Expiry date	Dec 15, 2032

Classification

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

Abstract

A fuel cell stack includes a plurality of stacked fuel cell units and at least one stack end element that are clamped a clamping device. The clamped fuel cell units are surrounded by a housing. A circumferential seal, in particular a lip seal, which has recesses for accommodating the clamping device is situated between the housing and the at least one stack end element. The clamping device is electrically insulated at least in the area of the recesses.

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