Fuel cell system with coolant flow reversal
US4582765A · kind A · utility
38Cited by
13References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 25, 1981 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Aug 25, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for cooling electrochemical fuel cell system components. Periodic reversal of the direction of flow of cooling fluid through a fuel cell stack provides greater uniformity and cell operational temperatures. Flow direction through a recirculating coolant fluid circuit is reversed through a two position valve, without requiring modulation of the pumping component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.