US3258909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct heating contact ionization propulsion system
Assignee: RTX Corp
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Filing: 1962-05-11
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Granted: 1966-07-05
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Jack W Davis
- 👤 William O Gaffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:56
CPC Classifications
F; F03; F03H; F03H1/00; F03H1/0037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN ION PROPULSION SYSTEM INCLUDING A HEAT SOURCE, A FLUID LOOP CONDUCTING HEAT FROM SAID SOURCE, IONIZER MEANS IN SAID LOOP, A THERMOELECTRIC POWER CONVERTER CONNECTED IN PARALLEL IN SAID LOOP, SAID IONIZER MEANS RECEIVING HEAT FROM SAID FLUID, A PROPELLANT SUPPLY CONNECTED TO SAID IONIZER MEANS WHEREBY THE HEAT THEREIN IONIZES SAID PROPELLANT, AND AN ACCELERATOR RECEIVING ELECTRICAL POWER FROM SAID CONVERTER FOR ACCELERATING THE IONIZED PROPELLANT.
Claim 2
Dependent Claim
68 words
AN ION PROPULSION SYSTEM INCLUDING A HEAT SOURCE, A FLUID LOOP CONDUCTING HEAT FROM SAID SOURCE, IONIZER MEANS IN SAID LOOP, A THERMOELECTRIC POWER CONVERTER CONNECTED IN PARALLEL IN SAID LOOP, SAID IONIZER MEANS RECEIVING HEAT FROM SAID FLUID, A PROPELLANT SUPPLY CONNECTED TO SAID IONIZER MEANS WHEREBY THE HEAT THEREIN IONIZES SAID PROPELLANT, AND AN ACCELERATOR RECEIVING ELECTRICAL POWER FROM SAID CONVERTER FOR ACCELERATING THE IONIZED PROPELLANT.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |