Device and method for controlling the humidification of a fuel cell
US8936884B2 · kind B2 · utility
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2References
7Claims
0Family size
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Key dates
| Filing date | Nov 24, 2009 |
| Grant date | Jan 20, 2015 |
| Priority date | — |
| Expiry date | Sep 19, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An oxygen/hydrogen fuel cell including a package having, on the side of the cell intended to be exposed to air, an enclosure provided with a mobile cap; an element made of a material which deforms according to the humidity ratio in the package; circuitry for controlling the opening and the closing of the mobile cap; and a switch which opens and closes according to the deformation of said material, said switch being associated with control means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.