US3677823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel saturator for low temperature fuel cells
Assignee: RTX Corp
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Filing: 1969-10-06
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Granted: 1972-07-18
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Expires: 1989-10-06
Abstract
Abstract Fuel cell waste heat supplies the energy to saturate a dry fuel gas supply stream with water vapor. The fuel saturator may be featured as an integral component of the fuel cell stack. The mixture is directed to reformer where the fuel is steam reformed to produce a hydrogen rich stream which is utilized as the fuel for the electrochemical reactions occurring within the fuel stack.
Inventors
- 👤 John C Trocciola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:52
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/0606; H01M8/0612; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |