Patent US3120621A successfully refreshed from Google Patents.
US3120621A
Expired / Lapsed
US
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Thermionic energy converter
Assignee: Siemens Schuckertwerke AG
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Filing: 1961-12-28
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Granted: 1964-02-04
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Gunther Karl-Georg
- 👤 Hanlein Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:49
CPC Classifications
H; H01; H01J; H01J45/00; H02; H02N; H02N3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A THERMIONIC ENERGY CONVERTER COMPRISING A LOWPRESSURE VESSEL HAVING A CATHODE AND AN ANODE INSULATED AND SPACED FROM EACH OTHER, A FLUID CIRCULATION SYSTEM COMPRISING SAID VESSEL AND HAVING COMPRESSING MEANS IN SERIES WITH SAID VESSEL, SAID SYSTEM CONTAINING A MIXTURE OF A FLUID DRIVING MEDIUM AND AN IONIZABLE METAL ADDITION FINELY DISTRIBUTED IN SAID DRIVING MEDIUM, SAID CATHODE AND ANODE HAVING RESPECTIVE ACTIVE SURFACE AREAS CONTACTABLE BY SAID MIXTURE, SAID ACTIVE SURFACE AREA OF SAID CATHODE HAVING A WORK FUNCTION HIGHER THAN THE IONIZING FUNCTION OF SAID METAL ADDTION, SAID ACTIVE SURFACE AREA OF SAID ANODE HAVING A WORK FUNCTION LOWER THAN SAID IONIZING FUNCTION, SAID SYSTEM HAVING A FLUIDFLOW DIRECTION FROM SAID CATHODE TO SAID ANODE, HEATING MEANS THERMALLY JOINED WITH SAID VESSEL FOR HEATING SAID MIXTURE NEAR SAID CATHODE, WHEREBY SAID METAL ADDITION IS IONIZED WHEN CONTACTING SAID CATHODE AND THE IONS ARE THEREAFTER ELECTRICALLY DISCHARGE WHEN CONTACTING SAID ANODE, AND TWO ELECTRIC TERMINALS CONNECTED TO SAID ANODE AND CATHODE RESPECTIVELY TO PROVIDE ELECTRIC ENERGY.
Claim 2
Dependent Claim
168 words
A THERMIONIC ENERGY CONVERTER COMPRISING A LOWPRESSURE VESSEL HAVING A CATHODE AND AN ANODE INSULATED AND SPACED FROM EACH OTHER, A FLUID CIRCULATION SYSTEM COMPRISING SAID VESSEL AND HAVING COMPRESSING MEANS IN SERIES WITH SAID VESSEL, SAID SYSTEM CONTAINING A MIXTURE OF A FLUID DRIVING MEDIUM AND AN IONIZABLE METAL ADDITION FINELY DISTRIBUTED IN SAID DRIVING MEDIUM, SAID CATHODE AND ANODE HAVING RESPECTIVE ACTIVE SURFACE AREAS CONTACTABLE BY SAID MIXTURE, SAID ACTIVE SURFACE AREA OF SAID CATHODE HAVING A WORK FUNCTION HIGHER THAN THE IONIZING FUNCTION OF SAID METAL ADDTION, SAID ACTIVE SURFACE AREA OF SAID ANODE HAVING A WORK FUNCTION LOWER THAN SAID IONIZING FUNCTION, SAID SYSTEM HAVING A FLUIDFLOW DIRECTION FROM SAID CATHODE TO SAID ANODE, HEATING MEANS THERMALLY JOINED WITH SAID VESSEL FOR HEATING SAID MIXTURE NEAR SAID CATHODE, WHEREBY SAID METAL ADDITION IS IONIZED WHEN CONTACTING SAID CATHODE AND THE IONS ARE THEREAFTER ELECTRICALLY DISCHARGE WHEN CONTACTING SAID ANODE, AND TWO ELECTRIC TERMINALS CONNECTED TO SAID ANODE AND CATHODE RESPECTIVELY TO PROVIDE ELECTRIC ENERGY.
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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |