Fuel cell system and diagnosis system for the fuel cell system
US7695838B2 · kind B2 · utility
2Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2005 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | Jun 14, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A part of cell stack portions constituting a part of a fuel cell stack is used as a voltage detection portion, the size of a frequency component belonging to a predetermined specific frequency range is extracted from a voltage signal detected and the existence/absence of abnormality of a fuel cell system is diagnosed on the basis of the frequency component extracted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.