US3201283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for improved fuel cell operation
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-05-11
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Granted: 1965-08-17
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Expires: 1981-05-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Dengler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:43
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN IMPROVED METHOD FOR OPERATING A FUEL CELL HAVING A LIQUID ELECTROLYTE AND COMPRISING AN ELECTROLYTE CHAMBER IN CONTACT WITH A FUEL ELECTRODE AND A CATHODE WHICH COMPRISES PLACING A POROUS BARRIER IN SAID ELECTROLYTE CHAMBER TO FORM WITHIN SAID ELECTROLYTE CHAMBER A FIRST AND SECOND CHAMBER, THE FIRST CHAMBER CONTACTING THE FUEL ELECTRODE AND THE SECOND CHAMBER CONTACTING SAID CATHODE, WITHDRAWING SAID ELECTROLYTE FROM AN UPPER PORTION OF SAID FIRST CHAMBER, PASSING SAID WITHDRAWN ELECTROLYTE TO A SEPARATOR WHEREIN A FUEL IS REMOVED THEREFROM, AND RECIRCULATING THE ELECTROLYTE WITHOUT SAID FUEL TO SAID SECOND CHAMBER.
Claim 2
Dependent Claim
96 words
AN IMPROVED METHOD FOR OPERATING A FUEL CELL HAVING A LIQUID ELECTROLYTE AND COMPRISING AN ELECTROLYTE CHAMBER IN CONTACT WITH A FUEL ELECTRODE AND A CATHODE WHICH COMPRISES PLACING A POROUS BARRIER IN SAID ELECTROLYTE CHAMBER TO FORM WITHIN SAID ELECTROLYTE CHAMBER A FIRST AND SECOND CHAMBER, THE FIRST CHAMBER CONTACTING THE FUEL ELECTRODE AND THE SECOND CHAMBER CONTACTING SAID CATHODE, WITHDRAWING SAID ELECTROLYTE FROM AN UPPER PORTION OF SAID FIRST CHAMBER, PASSING SAID WITHDRAWN ELECTROLYTE TO A SEPARATOR WHEREIN A FUEL IS REMOVED THEREFROM, AND RECIRCULATING THE ELECTROLYTE WITHOUT SAID FUEL TO SAID SECOND CHAMBER.
References Cited (Backward Citations)
US2901523A
Cited
US2901524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |