Patent · US Expired

Fuel cell system and related method

US7425380B2 · kind B2 · utility

3Cited by
0References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 2003
Grant dateSep 16, 2008
Priority date
Expiry dateAug 1, 2025

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 and related method are disclosed having a system controller 37 that executes enthalpy calculation based on status signals, related to anode off-gas and cathode off-gas, detected by a temperature detector 29, a pressure detector 30 and a humidity detector 31 for thereby predicting a combustion temperature of a combustor 7 during purging. In the presence of a predicted combustion temperature exceeding an upper limit, cathode off-gas is increased in volume to limit a combustion temperature of the combustor 7 to a value below the upper limit value.

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