Patent · US Expired

Shutdown method for fuel cell system

US4965143A · kind A · utility

18Cited by
1References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1989
Grant dateOct 23, 1990
Priority date
Expiry dateNov 9, 2009

Classification

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

Abstract

An improved system for shutting down a fuel cell that cools the reformer catalyst bed by continuing to supply unreformed fuel to the catalyst bed after the supply of heat to the evaporator is discontinued for cooling the catalyst bed more rapidly through an endothermic reaction.

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