US3210934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet engine exhaust
Assignee: Motors Liquidation Co
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Filing: 1964-11-30
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Granted: 1965-10-12
•
Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Charles H Smale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:25
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/78; F02K1/82; F02K1/822; F02K1/825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
AN INFRARED EMISSION SUPPRESSION EXHAUST FLUID NOZZLE FOR A JET ENGINE HAVING AT THE INLET END OF SAID NOZZLE AN INFRARED RADIATION SOURCE WITH AN EMISSIVITY LEVEL DURING THE NORMAL OPERATION OF SAID ENGINE GREATER THAN THE EMISSIVITY LEVEL OF THE ENGINE ENVIRONMENTAL SURROUNDINGS, COMPRISING, A TUBULAR ENGINE CASING HAVING AN INNER BODY MOUNTED COAXIALLY WITHIN THE CASING, THE MAXIMUM PERIPHERY OF SAID INNER BODY BEING SUFFICIENTLY GREATER THAN THE OPENING IN THE SMALLER END OF SAID CASING TO PREVENT ANY VIEWING OF SAID INFRARED SOURCE FROM THE OUTLET END OF SAID NOZZLE, AND MEANS TO COOL PORTIONS OF THE ADJACENT SURFACES OF SAID NOZZLE CASING AND INNER BODY BETWEEN THE LOCATION OF SAID MAXIMUM PERIPHERY AND THE OUTER END OF SAID CASING SUFFICIENTLY TO REDUCE THEIR INFRARED EMISSIVITY LEVEL TO A LEVEL COMPARABLE TO THAT OF THE ENVIRONMENTAL SURROUNDINGS OF THE ENGINE, SAID CASING AND SAID INNER BODY BETWEEN THE LOCATION OF SAID MAXIMUM PERIPHERY AND SAID INLET END BEING PROVIDED WITH SURFACES OF LOW REFLECTIVITY EXPOSED TO THE EXHAUST FLUID.
Claim 2
Dependent Claim
172 words
AN INFRARED EMISSION SUPPRESSION EXHAUST FLUID NOZZLE FOR A JET ENGINE HAVING AT THE INLET END OF SAID NOZZLE AN INFRARED RADIATION SOURCE WITH AN EMISSIVITY LEVEL DURING THE NORMAL OPERATION OF SAID ENGINE GREATER THAN THE EMISSIVITY LEVEL OF THE ENGINE ENVIRONMENTAL SURROUNDINGS, COMPRISING, A TUBULAR ENGINE CASING HAVING AN INNER BODY MOUNTED COAXIALLY WITHIN THE CASING, THE MAXIMUM PERIPHERY OF SAID INNER BODY BEING SUFFICIENTLY GREATER THAN THE OPENING IN THE SMALLER END OF SAID CASING TO PREVENT ANY VIEWING OF SAID INFRARED SOURCE FROM THE OUTLET END OF SAID NOZZLE, AND MEANS TO COOL PORTIONS OF THE ADJACENT SURFACES OF SAID NOZZLE CASING AND INNER BODY BETWEEN THE LOCATION OF SAID MAXIMUM PERIPHERY AND THE OUTER END OF SAID CASING SUFFICIENTLY TO REDUCE THEIR INFRARED EMISSIVITY LEVEL TO A LEVEL COMPARABLE TO THAT OF THE ENVIRONMENTAL SURROUNDINGS OF THE ENGINE, SAID CASING AND SAID INNER BODY BETWEEN THE LOCATION OF SAID MAXIMUM PERIPHERY AND SAID INLET END BEING PROVIDED WITH SURFACES OF LOW REFLECTIVITY EXPOSED TO THE EXHAUST FLUID.
References Cited (Backward Citations)
CA469231A
Cited
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US2620623A
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US2811827A
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US2961198A
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |