US3049869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature jet propulsion apparatus
Assignee: General Electric Co
•
Filing: 1957-12-23
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Granted: 1962-08-21
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Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Grenoble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:15
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/08; F02C; F02C3/00; F02C3/04; F02C3/06; F02C6/00; F02C6/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE METHOD OF INCRESING THE OPERATING TEMPERATURE OF A TURBOJET ENGINE HAVING CRITICAL OPERATING PARTS INCLUDING A METAL FROM THE GROUP CONSISTING OF MOLTBDENUM AND TUNGATEN TO THE RANGE OF ABOUT 20000*F. TO 3000*F., SAID METHOD COMPRISING COMBUSTING A FUEL-AIR MIXTURE IN THE ENGINE WHICH CONTAINS ABOUT 1.5 TIMES THE STOICHIOMETRIC AMOUNT OF FUEL THAT COMBUSTION PRODUCTS ARE PRODUCED WHICH PERMIT DIOXIDES OF MOLYBDENUM AND TUNGSTEN TO FORM AND PRECLUDE FORMATION OF TRIOXIDES OF THESE METALS, AND MIXING ADDITIONAL AIR WITH THE PREVIOUSLY COMBUSTED FUEL-AIR MIXTURE AFTER IT HAS PASSED OUT OF CONTACT WITH THE CRITICAL OPERATING PARTS TO EFFECT FURTHER COMBUSTION THEREOF.
Claim 2
Independent Claim
103 words
THE METHOD OF INCRESING THE OPERATING TEMPERATURE OF A TURBOJET ENGINE HAVING CRITICAL OPERATING PARTS INCLUDING A METAL FROM THE GROUP CONSISTING OF MOLTBDENUM AND TUNGATEN TO THE RANGE OF ABOUT 20000*F. TO 3000*F., SAID METHOD COMPRISING COMBUSTING A FUEL-AIR MIXTURE IN THE ENGINE WHICH CONTAINS ABOUT 1.5 TIMES THE STOICHIOMETRIC AMOUNT OF FUEL THAT COMBUSTION PRODUCTS ARE PRODUCED WHICH PERMIT DIOXIDES OF MOLYBDENUM AND TUNGSTEN TO FORM AND PRECLUDE FORMATION OF TRIOXIDES OF THESE METALS, AND MIXING ADDITIONAL AIR WITH THE PREVIOUSLY COMBUSTED FUEL-AIR MIXTURE AFTER IT HAS PASSED OUT OF CONTACT WITH THE CRITICAL OPERATING PARTS TO EFFECT FURTHER COMBUSTION THEREOF.
References Cited (Backward Citations)
FR851496A
Cited
US2511385A
Cited
GB628366A
Cited
US2653446A
Cited
US2611239A
Cited
US2751188A
Cited
US2766583A
Cited
GB749009A
Cited
US2872782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |