Patent · US Expired

Fuel cell system with improved startability

US6444338B1 · kind B1 · utility

9Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 1999
Grant dateSep 3, 2002
Priority date
Expiry dateDec 2, 2019

Classification

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

Abstract

A fuel cell system in which warm up of the fuel cell is promoted at the time of starting and the fuel cell is operated under steady condition in a short time. The fuel cell has a plurality of power generator portions. A circulating water passage connected to the power generator portions are changed so that circulating water flows in just part of the generator when the temperature of the fuel cell is not higher than the predetermined value.

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