WVT design for reduced mass and improved sealing reliability
US8091868B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2008 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Nov 9, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/494
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A membrane humidifier for a fuel cell system is disclosed wherein the membrane humidifier includes a plurality of membrane layers, a first pair of spaced apart sealing bars disposed between a first membrane layer and a second membrane layer adjacent to perimeter edges thereof to form a first flow channel, a second pair of spaced apart sealing bars disposed between the second membrane layer and a third membrane layer adjacent to perimeter edges thereof to form a second flow channel, and a plurality of supports, wherein a first support is disposed adjacent the second planar layer and extending between the second pair of spaced apart sealing bars, and a second support is disposed adjacent the third planar layer and extending between the second pair of spaced apart sealing bars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.