US3048966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket propulsion method
Assignee: Safran Aircraft Engines SAS
•
Filing: 1959-04-23
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Granted: 1962-08-14
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Expires: 1979-04-23
Abstract
No abstract record available.
Inventors
- 👤 Feraud Roger Adrien
- 👤 Alder Robert Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:22
CPC Classifications
C; C06; C06B; C06B27/00; F; F02; F02K; F02K9/00; F02K9/42; F02K9/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD OF CARRYING OUT COMBUSTION IN A ROCKET PROPULSION CHAMBER OF GENERALLY CIRCULAR CROSS SECTION, COMPRISING THE CONCURRENT STEPS OF: SUPPLYING AT LEAST ONE OXIDIZER TO SAID CHAMBER, INJECTING INTO A CENTRAL PORTION OF SAID CHAMBER A METAL IN LIQUID STATE SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, LITHIUM, BORON, ALUMINUM AND MAGNESIUM, TO PERFORM A COMBUSTION OF SAID METAL WITH SAID OXIDIZER OF SUCH NATURE AS MIGHT SUBJECT THE ROCKET CHAMBER WALL TO EXCESSIVE THERMAL STRESS, AND INJECTING INTO A PERIPHERAL PORTION OF SAID CHAMBER, AROUND SAID CENTRAL PORTION THEREOF, A FUEL OF SUBSTANTIALLY LOWER CALORIFIC VALUE THAN THAT OF THE METAL OF LEAST CALORIFIC VALUE BELONGING TO SAID GROUP, TO PERFORM A COMBUSTION OF SAID FUEL WITH SAID OXIDIZER OF SUCH NATURE AS WILL PROTECT SAID ROCKET CHAMBER WALL FROM SAID EXCESSIVE THERMAL STRESS.
Claim 2
Independent Claim
137 words
A METHOD OF CARRYING OUT COMBUSTION IN A ROCKET PROPULSION CHAMBER OF GENERALLY CIRCULAR CROSS SECTION, COMPRISING THE CONCURRENT STEPS OF: SUPPLYING AT LEAST ONE OXIDIZER TO SAID CHAMBER, INJECTING INTO A CENTRAL PORTION OF SAID CHAMBER A METAL IN LIQUID STATE SELECTED FROM THE GROUP CONSISTING OF BERYLLIUM, LITHIUM, BORON, ALUMINUM AND MAGNESIUM, TO PERFORM A COMBUSTION OF SAID METAL WITH SAID OXIDIZER OF SUCH NATURE AS MIGHT SUBJECT THE ROCKET CHAMBER WALL TO EXCESSIVE THERMAL STRESS, AND INJECTING INTO A PERIPHERAL PORTION OF SAID CHAMBER, AROUND SAID CENTRAL PORTION THEREOF, A FUEL OF SUBSTANTIALLY LOWER CALORIFIC VALUE THAN THAT OF THE METAL OF LEAST CALORIFIC VALUE BELONGING TO SAID GROUP, TO PERFORM A COMBUSTION OF SAID FUEL WITH SAID OXIDIZER OF SUCH NATURE AS WILL PROTECT SAID ROCKET CHAMBER WALL FROM SAID EXCESSIVE THERMAL STRESS.
References Cited (Backward Citations)
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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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |