Auto-learning of base stack resistance for HFR based RH control
US8647783B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Jan 29, 2010 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Jun 11, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for determining membrane humidification by determining the membrane protonic resistance of a fuel cell stack at humidified conditions, and normalizing the base resistance of the fuel cell stack against the base resistance of a reference fuel cell stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.