US2749706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for cooling a combustion chamber in propulsion apparatus and for feeding combustion liquids thereto
Assignee: DANIEL AND FLORENCE GUGGENHEIM
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Filing: 1953-10-29
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Granted: 1956-06-12
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Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Esther C Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:27
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52; F02K9/60; F02K9/62; F02K9/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN PROPULSION APPARATUS HAVING A COMBUSTION CHAMBER WITH A SIDE WALL, A CLOSED END AND AN OPEN DISCHARGE NOZZLE REMOTE FROM SAID CLOSED END, IN COMBINATION, AN INWARDLY-PROJECTING END WALL FOR SAID CLOSED END, INNER AND OUTER CASING MEMBERS AXIALLY OUTSIDE OF SAID END WALL AND DEFINING A JACKET SPACE AND A SPRAY-COOLED SPACE, MEANS TO DELIVER A LIQUID OXIDIZER TO SAID JACKET SPACE, MEANS TO SPRAY SAID LIQUID OXIDIZER INTO SAID SPRAY-COOLED SPACE, SPRAY MEANS LOCATED IN SAID COLOSED END WALL AND EFFECTIVE TO SPRAY SAID OXIDIZER FROM SAID SPRAY-COOLED SPACE RADIALLY OUTWARDLY AND TOWARDS THAT PORTION OF THE COMBUSTION CHAMBER SIDE WALL WHICH IS ADJACENT THE CLOSED END OF SAID COMBUSTION CHAMBER, AND MEANS TO PROVIDE A COOLING FILM OF LIQUID FUEL WITHIN SAID COMBUSTION CHAMBER AND ADJACRNT THAT PORTION OF SAID SIDE WALL THEREOF.
Claim 2
Dependent Claim
137 words
IN PROPULSION APPARATUS HAVING A COMBUSTION CHAMBER WITH A SIDE WALL, A CLOSED END AND AN OPEN DISCHARGE NOZZLE REMOTE FROM SAID CLOSED END, IN COMBINATION, AN INWARDLY-PROJECTING END WALL FOR SAID CLOSED END, INNER AND OUTER CASING MEMBERS AXIALLY OUTSIDE OF SAID END WALL AND DEFINING A JACKET SPACE AND A SPRAY-COOLED SPACE, MEANS TO DELIVER A LIQUID OXIDIZER TO SAID JACKET SPACE, MEANS TO SPRAY SAID LIQUID OXIDIZER INTO SAID SPRAY-COOLED SPACE, SPRAY MEANS LOCATED IN SAID COLOSED END WALL AND EFFECTIVE TO SPRAY SAID OXIDIZER FROM SAID SPRAY-COOLED SPACE RADIALLY OUTWARDLY AND TOWARDS THAT PORTION OF THE COMBUSTION CHAMBER SIDE WALL WHICH IS ADJACENT THE CLOSED END OF SAID COMBUSTION CHAMBER, AND MEANS TO PROVIDE A COOLING FILM OF LIQUID FUEL WITHIN SAID COMBUSTION CHAMBER AND ADJACRNT THAT PORTION OF SAID SIDE WALL THEREOF.
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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |