US3176464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ducted rocket engine
Assignee: Lockheed Martin Corp
•
Filing: 1960-05-24
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Granted: 1965-04-06
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Expires: 1980-05-24
Abstract
No abstract record available.
Inventors
- 👤 Andre J Meyer
- 👤 Emmet A Mossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:03
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A ROCK MISSILE, A ROCKET ENGINE FOR COMBUSTING FUEL IN ORDER TO DEVELOP THRUST FOR THE PROPULSION OF SAID MISSILE, SID ENGINE BEING MOUNTED IN GIMBALS SO AS TO BE STEERABLE, AN AUGMENTER DISPOSED IN ESSENTIALLY SURROUNDING RELATIONSHIP ABOUT SAID ENGINE SO AS TO BE MOVABLE THEREWITH AND DEFINING A SUBSTANTIALLY CIRCUMFERENTIAL PASSAGEWAY THEREABOUT THROUGH WHICH SECONDARY AIR MAY FLOW, ADJUSTABLE INLET MEANS AT THE UPSTREAM END OF SAID AUGMENTER FOR ADMITTING SECONDARY AIR INTO SAID AUGMENTER IN ORDER TO MIX WITH THE PRODUCTS OF COMBUSTION EMANATING FROM SAID ENGINE, MEANS FOR MAINTAINING THE AREA OF SAID INLET SUBSTANTIALLY CONSTANT DESPITE MOVEMENTS OF SAID MOTOR AND AUGMENTER, AND ALSO FOR VARYING THE AREA OF SAID INLET SO AS TO ALTER THE AMOUNT OF AIR ENTERING SAID AUGMENTER IN RESPONSE TO CHANGES IN MISSILE SPEED AND ATMOSPHERIC DENSITY, A THROAT AREA DEFINED IN SAID AUGMENTER FOR BRINGING ABOUT SONIC VELOCITY OF SAID SECONDARY AIR PRIOR TO MIXING WITH THE PRODUCTS OF COMBUS-
Claim 2
Dependent Claim
162 words
IN A ROCK MISSILE, A ROCKET ENGINE FOR COMBUSTING FUEL IN ORDER TO DEVELOP THRUST FOR THE PROPULSION OF SAID MISSILE, SID ENGINE BEING MOUNTED IN GIMBALS SO AS TO BE STEERABLE, AN AUGMENTER DISPOSED IN ESSENTIALLY SURROUNDING RELATIONSHIP ABOUT SAID ENGINE SO AS TO BE MOVABLE THEREWITH AND DEFINING A SUBSTANTIALLY CIRCUMFERENTIAL PASSAGEWAY THEREABOUT THROUGH WHICH SECONDARY AIR MAY FLOW, ADJUSTABLE INLET MEANS AT THE UPSTREAM END OF SAID AUGMENTER FOR ADMITTING SECONDARY AIR INTO SAID AUGMENTER IN ORDER TO MIX WITH THE PRODUCTS OF COMBUSTION EMANATING FROM SAID ENGINE, MEANS FOR MAINTAINING THE AREA OF SAID INLET SUBSTANTIALLY CONSTANT DESPITE MOVEMENTS OF SAID MOTOR AND AUGMENTER, AND ALSO FOR VARYING THE AREA OF SAID INLET SO AS TO ALTER THE AMOUNT OF AIR ENTERING SAID AUGMENTER IN RESPONSE TO CHANGES IN MISSILE SPEED AND ATMOSPHERIC DENSITY, A THROAT AREA DEFINED IN SAID AUGMENTER FOR BRINGING ABOUT SONIC VELOCITY OF SAID SECONDARY AIR PRIOR TO MIXING WITH THE PRODUCTS OF COMBUS-
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |