US3198664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell system
Assignee: RTX Corp
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Filing: 1961-11-30
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Granted: 1965-08-03
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Kunz Harold Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:31
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/04; H01M8/04082; H01M8/04089; H01M8/04097; H01M8/04007; H01M8/04014; H01M8/04119; H01M8/04276; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN THE FUEL CELL CONTROL DEVICE A FUEL CELL, MEANS FOR SUPPLYING OXIDANT AND FUEL UNDER PRESSURE TO SAID CELL, A DISCHARGE CONDUIT FOR REMOVING THE PRODUCTS OF OXIDATION AND EXCESS FUEL FROM SAID CELL, A HEAT EXCHANGER CONNECTED TO SAID CONDUIT FOR RECEIVING AND FOR COOLING SAID DISCHARGE PRODUCTS, A SEPARATOR THROUGH WHICH THE COOLED PRODUCTS ARE DIRECTED FOR REMOVING THE LIQUID PRODUCTS OF OXIDATION FROM THE EXCESS FUEL, A PUMP RECEIVING THE FUEL FROM THE SEPARATOR FOR RETURNING THE EXCESS FUEL TO THE FUEL SUPPLY MEANS, A BYPASS FOR THE FUEL AROUND THE HEAT EXCHANGER AND VALVE MEANS FOR CONTROLLING THE AMOUNT OF FUEL BYPASSING THE HEAT EXCHANGER.
Claim 2
Dependent Claim
110 words
IN THE FUEL CELL CONTROL DEVICE A FUEL CELL, MEANS FOR SUPPLYING OXIDANT AND FUEL UNDER PRESSURE TO SAID CELL, A DISCHARGE CONDUIT FOR REMOVING THE PRODUCTS OF OXIDATION AND EXCESS FUEL FROM SAID CELL, A HEAT EXCHANGER CONNECTED TO SAID CONDUIT FOR RECEIVING AND FOR COOLING SAID DISCHARGE PRODUCTS, A SEPARATOR THROUGH WHICH THE COOLED PRODUCTS ARE DIRECTED FOR REMOVING THE LIQUID PRODUCTS OF OXIDATION FROM THE EXCESS FUEL, A PUMP RECEIVING THE FUEL FROM THE SEPARATOR FOR RETURNING THE EXCESS FUEL TO THE FUEL SUPPLY MEANS, A BYPASS FOR THE FUEL AROUND THE HEAT EXCHANGER AND VALVE MEANS FOR CONTROLLING THE AMOUNT OF FUEL BYPASSING THE HEAT EXCHANGER.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |