Patent US2729936A successfully refreshed from Google Patents.
US2729936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel for and method of operating a jet engine
Assignee: Phillips Petroleum Co
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Filing: 1950-04-24
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Granted: 1956-01-10
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Expires: 1970-04-24
Abstract
No abstract record available.
Inventors
- 👤 Sylvester C Britton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:07
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN IMPROVED METHOD FOR OPERATING A JET ENGINE WHICH COMPRISES INJECTING INTO A COMBUSTION CHAMBER OF A FIXED SIZE A FUEL CONSISTING ESSENTIALLY OF BETWEEN 5% AND 95% BY VOLUME 1-OLEFINS BOILING BETWEEN 90* F. AND 500* F., INJECTING AIR INTO THE FORWARD PORTION OF SAID COMBUSTION CHAMBER AT A MACH NUMBER BETWEEN 0.01 AND 1.00, AT A PRESSURE OF BETWEEN 0.2 AND 40 ATMOSPHERES, AT A TEMPERATURE BETWEEN -30* F. AND 1040* F., AND AT A FUEL-AIR RATIO BETWEEN 0.005 AND 0.10; BURNING SAID FUEL IN SAID COMBUSTION CHAMBER AT A COMBUSTION EFFICIENCY WITHIN THE RANGE OF FROM 40% TO 100% SO AS TO HEAT SAID AIR AND RESULTING COMBUSTION GASES; AND EXHAUSTING SAID GASES THROUGH A REARWARDLY EXTENDING EXHAUST DUCT AT AN EXIT VELOCITY HIGHER THAN THE FLYING SPEED OF SAID ENGINE.
Claim 2
Dependent Claim
134 words
AN IMPROVED METHOD FOR OPERATING A JET ENGINE WHICH COMPRISES INJECTING INTO A COMBUSTION CHAMBER OF A FIXED SIZE A FUEL CONSISTING ESSENTIALLY OF BETWEEN 5% AND 95% BY VOLUME 1-OLEFINS BOILING BETWEEN 90* F. AND 500* F., INJECTING AIR INTO THE FORWARD PORTION OF SAID COMBUSTION CHAMBER AT A MACH NUMBER BETWEEN 0.01 AND 1.00, AT A PRESSURE OF BETWEEN 0.2 AND 40 ATMOSPHERES, AT A TEMPERATURE BETWEEN -30* F. AND 1040* F., AND AT A FUEL-AIR RATIO BETWEEN 0.005 AND 0.10; BURNING SAID FUEL IN SAID COMBUSTION CHAMBER AT A COMBUSTION EFFICIENCY WITHIN THE RANGE OF FROM 40% TO 100% SO AS TO HEAT SAID AIR AND RESULTING COMBUSTION GASES; AND EXHAUSTING SAID GASES THROUGH A REARWARDLY EXTENDING EXHAUST DUCT AT AN EXIT VELOCITY HIGHER THAN THE FLYING SPEED OF SAID ENGINE.
References Cited (Backward Citations)
US1318060A
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US2146039A
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US2138881A
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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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |