Patent · US Expired

Bipolar plate

US7405017B2 · kind B2 · utility

2Cited by

1References

12Claims

0Family size

Assignee

REINZ-DICHTUNGS-GMBH · DE

Inventors

Raimund Strobel · Ulm, DE
Kurt Hohe · Langenau, DE
Kai-Uwe Lemke · Ulm, DE
Dieter Grafl · Ulm, DE
Dominique Tasch · Biberach, DE
Markus Lemm · Blaustein, DE

Key dates

Filing date	Jan 22, 2003
Grant date	Jul 29, 2008
Priority date	—
Expiry date	Jul 28, 2023

Classification

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

Abstract

The present invention relates to bipolar plate (1) as well as to a fuel cell assembly (2). The bipolar plate comprises two outer surfaces (3a, 3b) which are electrically connected to one another, for the electrical contacting, as well as the discharge and supply of gases and/or fluids to the surfaces of the fuel cells which are adjacent to the outer surfaces. The bipolar plate comprises a frame (7) open in the central region as well as an inner part (3) arranged in the central reign, wherein the frame and the inner part are elastically connected to one another.

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