US3365333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operation of fuel cell for the direct conversion into electrical energy of chemical energy of liquid fuels dissolved in the electrolyte
Assignee: Siemens Schuckertwerke AG
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Filing: 1961-05-03
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Granted: 1968-01-23
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Expires: 1981-05-03
Abstract
No abstract record available.
Inventors
- 👤 Vielstich Wolf
- 👤 Gruneberg Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:20
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M2008/1095; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN THE PROCESS FOR OPERATING A FUEL CELL, HAVING A FUEL ELECTRODE AND AN OXIDIZATING GAS ELECTRODE FOR THE DIRECT ELECTROCHEMICAL CONVERSION OF THE CHEMICAL ENERGY OF LIQUID FUELS DISSOLVED IN LIQUID ELECTROLYTES, THE IMPROVEMENT WHICH COMPRISES OPERATING THE FUEL CELL BY SUPPLYING AN OXIDIZING GAS TO SAID OXYGEN ELECTRODE AND A MIXTURE OF A LIQUID FUEL AND LIQUID ELECTROLYTE TO SAID FUEL ELECTRODE WHILE MAINTAINING A SOLID ION EXCHANGE MEMBRANE CAPABLE OF TRANSFERRING IONS COMMON TO ONE OF SUCH LIQUID FUEL AND OXIDIZING GAS, SERVING AS ELECTOLYTE FOR THE OXYGEN ELECTRODE IN THE FUEL CELL, IN ABUTTING CONTACT WITH SAID OXYGEN ELECTRODE, AND WITH SAID FUEL ELECTRODE AS WELL AS WITH SAID LIQUID MIXTURE, AND SEPARATING THE FUEL ELECTRODE AND THE MIXTURE OF LIQUID FUEL AND LIQUID ELECTROLYTE FROM THE OXYGEN ELECTRODE.
Claim 2
Dependent Claim
133 words
IN THE PROCESS FOR OPERATING A FUEL CELL, HAVING A FUEL ELECTRODE AND AN OXIDIZATING GAS ELECTRODE FOR THE DIRECT ELECTROCHEMICAL CONVERSION OF THE CHEMICAL ENERGY OF LIQUID FUELS DISSOLVED IN LIQUID ELECTROLYTES, THE IMPROVEMENT WHICH COMPRISES OPERATING THE FUEL CELL BY SUPPLYING AN OXIDIZING GAS TO SAID OXYGEN ELECTRODE AND A MIXTURE OF A LIQUID FUEL AND LIQUID ELECTROLYTE TO SAID FUEL ELECTRODE WHILE MAINTAINING A SOLID ION EXCHANGE MEMBRANE CAPABLE OF TRANSFERRING IONS COMMON TO ONE OF SUCH LIQUID FUEL AND OXIDIZING GAS, SERVING AS ELECTOLYTE FOR THE OXYGEN ELECTRODE IN THE FUEL CELL, IN ABUTTING CONTACT WITH SAID OXYGEN ELECTRODE, AND WITH SAID FUEL ELECTRODE AS WELL AS WITH SAID LIQUID MIXTURE, AND SEPARATING THE FUEL ELECTRODE AND THE MIXTURE OF LIQUID FUEL AND LIQUID ELECTROLYTE FROM THE OXYGEN ELECTRODE.
References Cited (Backward Citations)
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Cited
US2901523A
Cited
US2925454A
Cited
US2913511A
Cited
US2938064A
Cited
US3013098A
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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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |