Patent · US Expired

Method for operating a PEM fuel cell plant and PEM fuel cell plant

US6180271A · kind A · utility

3Cited by

6References

7Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Walter Stuhler · Hirschaid, DE
Herbert Stenger · Burgthann, DE
Martin Keim · Möhrendorf, DE

Key dates

Filing date	Jul 16, 1999
Grant date	Jan 30, 2001
Priority date	—
Expiry date	Jul 16, 2019

Classification

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

Abstract

A method is provided for operating a PEM fuel cell plant containing at least one PEM fuel cell block and a speed-controlled compressor upstream of the PEM fuel cell block for supplying air at a volume flow rate. The speed of the compressor is controlled to a desired value for adjusting the electric current of the PEM fuel cell block to a given value. The desired value is derived from the given value of the electric current. This measure ensures a simple control of the air volume flow rate for the PEM fuel cell block with low apparatus requirements. A PEM fuel cell plant is also provided.

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