Water depletion unit for fuel cells
Abstract
Abstract A FILTER-PESS TYPE WATER DEPLETION UNIT FOR REMOVING REACTION WATER FROM THE ELECTROLYTE CYCLE OF A FUEL CELL BATTERY FORMS A DEPLETION CELL HAVING AT LEAST ONE GAS SPACE AND AN ELECTROLYTE SPACE. THE DEPLECTION UNIT HAS A COOLABLE STRUCTURE BORDERING THE GAS SPACE AND A DIAPHRAGM MEMBER SEPARATES THE GAS SPACE FROM THE ELECTROLYTE SPACE, THE DIAPHRAGM MEMBER HAVING A RIM PORTION THAT IS GAS-TIGHT AND IMPERVIOUS TO ELECTROLYTE. THE RIM PORTION HAS A THICKNESS GREATER THAN THE REMAINING PORTION OF THE DIAPHARGM. A HOLDING ARRANGEMENT PRESSES THE RIM PORTION AT ITS LATERAL SURFACES FOR SEALING THE GAS SPACE AND THE ELECTROLYTE SPACE AND THE RIM PORTION IS PROVIDED WITH RESPECTIVE PASSAGES COMMUNICATING WITH THE GAS SPACE AND THE ELECTROLYTE SPACE. D R A W I N G
Inventors
- 👤 H Kohlmuller
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |