US2651173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for operating engines at high altitudes
Assignee: Standard Oil Development Co
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Filing: 1949-01-26
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Granted: 1953-09-08
•
Expires: 1969-01-26
Abstract
No abstract record available.
Inventors
- 👤 Herman L Thwaites
- 👤 Rd Barrett B Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F02K7/16; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
126 words
THE METHOD OF OPERATING RAM JET AND GAS TURBINE ENGINE NORMALLY SUPPLIED WITH A HYDROCARBON FUEL AND AIR COMPRESSED BY OPERATION OF THE ENGINE WHICH COMPRISES INITIATING COMBUSTION IN SAID ENGINE BY INTRODUCING A STREAM OF THE SAID HYDROCARBON FUEL AND OXYGEN GAS IN PLACE OF AIR INTO THE COMBUSTION CHAMBER OF THE ENGINE, WHEREBY THE COMBUSTION ZONE IS ENRICHED IN OXYGEN ABOVE THE PROPORTION NORMALLY PRESENT SIMULTANEOUSLY IGNITING SAID HYDROCARBON FUEL IN THE COMBUSTION ATMOSPHERE ENRICHED IN OXYGEN WHEREBY COMBUSTION IS INITIATED DEVELOPING POWER TO SUPPLY COMPRESSED AIR TO SAID ENGINE, AND THEREAFTER DISCONTINUING THE SAID INTRODUCTION OF OXYGEN TO THE COMBUSTION CHAMBER AND CONTINUING NORMAL OPERATION OF SAID ENGINE WITH THE SAID HYDROCARBON FUEL AND COMPRESSED AIR DEVELOPED BY OPERATION OF THE SAID ENGINE,
Claim 2
Independent Claim
126 words
THE METHOD OF OPERATING RAM JET AND GAS TURBINE ENGINE NORMALLY SUPPLIED WITH A HYDROCARBON FUEL AND AIR COMPRESSED BY OPERATION OF THE ENGINE WHICH COMPRISES INITIATING COMBUSTION IN SAID ENGINE BY INTRODUCING A STREAM OF THE SAID HYDROCARBON FUEL AND OXYGEN GAS IN PLACE OF AIR INTO THE COMBUSTION CHAMBER OF THE ENGINE, WHEREBY THE COMBUSTION ZONE IS ENRICHED IN OXYGEN ABOVE THE PROPORTION NORMALLY PRESENT SIMULTANEOUSLY IGNITING SAID HYDROCARBON FUEL IN THE COMBUSTION ATMOSPHERE ENRICHED IN OXYGEN WHEREBY COMBUSTION IS INITIATED DEVELOPING POWER TO SUPPLY COMPRESSED AIR TO SAID ENGINE, AND THEREAFTER DISCONTINUING THE SAID INTRODUCTION OF OXYGEN TO THE COMBUSTION CHAMBER AND CONTINUING NORMAL OPERATION OF SAID ENGINE WITH THE SAID HYDROCARBON FUEL AND COMPRESSED AIR DEVELOPED BY OPERATION OF THE SAID ENGINE,
Claim 3
Dependent Claim
106 words
IN COMBINATION WITH A RAM JET ENGINE, A SPARK PLUG POSITIONED IN THE COMBUSTION ZONE OF THE ENGINE, A FUEL INLET INTO SAID COMBUSTION ZONE ADJACENT THE SPARK PLUG, AN AIR INLET INTO THE COMBUSTION ZONE, A STORAGE VESSEL CONTAINING OXYGEN GAS, AN AUXILIARY OXYGEN LINE CONNECTED TO SAID STORAGE VESSEL OPENING DIRECTLY INTO THE SAID COMBUSTION ZONE ADJACENT THE SPARK PLUG, A VALVE POSITIONED IN THE SAID OXYGEN LINE, MEANS ASSOCATED WITH SAID VALVE ADAPTED TO PREVENT FLOW OF OXYGEN TO THE COMBUSTION ZONE WHEN THE SPARK PLUG IS INOPERATIVE AND PERMITTING FLOW OF OXYGEN TO THE COMBUSTION ZONE WHEN THE SPARK PLUG IS OPERATED.
Claim 4
Dependent Claim
106 words
IN COMBINATION WITH A RAM JET ENGINE, A SPARK PLUG POSITIONED IN THE COMBUSTION ZONE OF THE ENGINE, A FUEL INLET INTO SAID COMBUSTION ZONE ADJACENT THE SPARK PLUG, AN AIR INLET INTO THE COMBUSTION ZONE, A STORAGE VESSEL CONTAINING OXYGEN GAS, AN AUXILIARY OXYGEN LINE CONNECTED TO SAID STORAGE VESSEL OPENING DIRECTLY INTO THE SAID COMBUSTION ZONE ADJACENT THE SPARK PLUG, A VALVE POSITIONED IN THE SAID OXYGEN LINE, MEANS ASSOCATED WITH SAID VALVE ADAPTED TO PREVENT FLOW OF OXYGEN TO THE COMBUSTION ZONE WHEN THE SPARK PLUG IS INOPERATIVE AND PERMITTING FLOW OF OXYGEN TO THE COMBUSTION ZONE WHEN THE SPARK PLUG IS OPERATED.
References Cited (Backward Citations)
US1584200A
Cited
US1854615A
Cited
US1879186A
Cited
US2090039A
Cited
US2395403A
Cited
US2410403A
Cited
US2500334A
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US2470564A
Cited
US2590009A
Cited
US2496502A
Cited
US2465092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |