Patent US3372546A successfully refreshed from Google Patents.
US3372546A
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US
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Method of operating a rocket engine using heat exchange with hydrocarbon fuels
Assignee: Texaco Inc
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Filing: 1964-12-21
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Granted: 1968-03-12
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 George B Arnold
- 👤 Robert Y Heisler
- 👤 Herbert E Vermillion
- 👤 Arkell Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:28
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64; C; C06; C06D; C06D5/00; C06D5/08; F02K9/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF OPERATING A ROCKET ENGINE ON A HIGH ENERGY HYDROCARBON-OXIDIZER PROPELLANT, SAID ROCKET ENGINE HAVING A COMBUSTION ZONE AND A HEAT EXCHANGER IN HEAT EXCHANGING RELATIONSHIP TO THE WALLS OF SAID COMBUSTION ZONE, THE IMPROVEMENT WHICH COMPRISES EMPLOYING A HYDROCARBON, FROM THE CLASS CONSISTING OF TETRAISOBUTYLENE, TRIISOBUTYLENE AND DIISOBUTYLENE, AND A FLUORINEOXYGEN-CONTAINING OXIDIZER CONTAINING AT LEAST ONE ATOM OF OXYGEN FOR EVERY CARBON ATOM IN SAID HYDROCARBON, AND PASSING AT LEAST A PORTION OF SAID HYDROCARBON THROUGH SAID HEAT EXCHANGR UNDER CONDITIONS CAUSING SUBSTANTIAL DEPOLYMERIZATION OF SAID HYDROCARBON TO ISOBUTYLENE EFFECTIVE TO REMOVE AT LEAST 900 B.T.U.''S FOR EACH POUND OF SAID HYDROCARBON THAT IS DEPOLYMERIZED AND THEREAFTER BURNING SAID DEPOLYMERIZED HYDROCARBON WITH SAID OXIDIZER IN SAID COMBUSTION ZONE.
Claim 2
Independent Claim
121 words
A METHOD OF OPERATING A ROCKET ENGINE ON A HIGH ENERGY HYDROCARBON-OXIDIZER PROPELLANT, SAID ROCKET ENGINE HAVING A COMBUSTION ZONE AND A HEAT EXCHANGER IN HEAT EXCHANGING RELATIONSHIP TO THE WALLS OF SAID COMBUSTION ZONE, THE IMPROVEMENT WHICH COMPRISES EMPLOYING A HYDROCARBON, FROM THE CLASS CONSISTING OF TETRAISOBUTYLENE, TRIISOBUTYLENE AND DIISOBUTYLENE, AND A FLUORINEOXYGEN-CONTAINING OXIDIZER CONTAINING AT LEAST ONE ATOM OF OXYGEN FOR EVERY CARBON ATOM IN SAID HYDROCARBON, AND PASSING AT LEAST A PORTION OF SAID HYDROCARBON THROUGH SAID HEAT EXCHANGR UNDER CONDITIONS CAUSING SUBSTANTIAL DEPOLYMERIZATION OF SAID HYDROCARBON TO ISOBUTYLENE EFFECTIVE TO REMOVE AT LEAST 900 B.T.U.''S FOR EACH POUND OF SAID HYDROCARBON THAT IS DEPOLYMERIZED AND THEREAFTER BURNING SAID DEPOLYMERIZED HYDROCARBON WITH SAID OXIDIZER IN SAID COMBUSTION ZONE.
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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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |