US3300341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell heat and water removal system using electrolyte circulation
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1962-06-22
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Granted: 1967-01-24
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 John W Gregory
- 👤 Charles W Fetheroff
- 👤 John M Fuscoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:42
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/0693; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A FUEL CELL ASSEMBLY COMPRISING A FUEL CELL INCLUDING ELECTRODES, AN INLET FOR A FUEL GAS AND AN INLET FOR AN OXIDIZING GAS, INLET MEANS FOR INTRODUCING A LIQUID ELECTROLYTE INTO SAID FUEL CELL, OUTLET MEANS FOR WITHDRAWING ELECTROLYTE FROM SAID FUEL CELL, PUMP MEANS FOR CONTINUOUSLY PASSING ELECTROLYTE FROM SAID INLET MEANS THROUGH SAID FUEL CELL AND INTO SAID OUTLET MEANS, A VAPOR-LIQUID SEPARATOR RECEIVING ELECTROLYTE FROM SAID FUEL CELL, SAID FUEL CELL, INLET MEANS, OUTLET MEANS, PUMP MEANS, AND VAPOR-LIQUID SEPARATOR FORMING A CLOSED LOOP FOR THE CIRCULATION OF ELECTROLYTE THERETHROUGH AND A SENSING MEANS RESPONSIVE TO DILUTION OF SAID ELECTROLYTE IN SAID CLOSED LOOP AND CONTROLLING THE OPERATION OF SAID VAPOR-LIQUID SEPERATOR TO REMOVE EXCESS WATER VAPOR WHICH WOULD TEND TO DILUTE THE CONCENTRATION OF THE CIRCULATING ELECTROLYTE.
Claim 2
Dependent Claim
131 words
A FUEL CELL ASSEMBLY COMPRISING A FUEL CELL INCLUDING ELECTRODES, AN INLET FOR A FUEL GAS AND AN INLET FOR AN OXIDIZING GAS, INLET MEANS FOR INTRODUCING A LIQUID ELECTROLYTE INTO SAID FUEL CELL, OUTLET MEANS FOR WITHDRAWING ELECTROLYTE FROM SAID FUEL CELL, PUMP MEANS FOR CONTINUOUSLY PASSING ELECTROLYTE FROM SAID INLET MEANS THROUGH SAID FUEL CELL AND INTO SAID OUTLET MEANS, A VAPOR-LIQUID SEPARATOR RECEIVING ELECTROLYTE FROM SAID FUEL CELL, SAID FUEL CELL, INLET MEANS, OUTLET MEANS, PUMP MEANS, AND VAPOR-LIQUID SEPARATOR FORMING A CLOSED LOOP FOR THE CIRCULATION OF ELECTROLYTE THERETHROUGH AND A SENSING MEANS RESPONSIVE TO DILUTION OF SAID ELECTROLYTE IN SAID CLOSED LOOP AND CONTROLLING THE OPERATION OF SAID VAPOR-LIQUID SEPERATOR TO REMOVE EXCESS WATER VAPOR WHICH WOULD TEND TO DILUTE THE CONCENTRATION OF THE CIRCULATING ELECTROLYTE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |