Patent US3327482A successfully refreshed from Google Patents.
US3327482A
Expired / Lapsed
US
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Vertical lift jet engines
Assignee: Rolls Royce PLC
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Filing: 1964-06-30
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Granted: 1967-06-27
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Pike Malcolm Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:45
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0058; F; F02; F02K; F02K1/00; F02K1/002; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A VERTICAL LIFT JET ENGINE WHICH HAS A THRUST TO WEIGHT RATIO OF AT LEAST 8:1, THE ENGINE HAVING A DOWNWARDLY FACING OUTLET NOZZLE, AT LEAST ONE DEFLECTOR MOUNTED ADJACENT THERETO, EACH DEFLECTOR HAVING A FLAT MAIN PORTION, A HINGE AT ONE END OF THE MAIN PORTION ABOUT WHICH THE DEFLECTOR IS MOVABLE, AND A TOE PORTION WHICH IS DISPOSED AT THE END OF THE MAIN PORTION REMOTE FROM THE HINGE AND WHICH IS INCLINED TO THE MAIN PORTION, AND MEANS FOR MOVING THE DEFLECTOR BETWEEN AN INOPERATIVE POSITION IN WHICH JET EFFLUX FROM THE OUTLET NOZZLE IS UNDEFLECTED AND AN OPERATIVE POSITION IN WHICH THE MAIN PORTION IS INCLINED TO THE VERTICAL AND IN WHICH SAID JET EFFLUX IS DEFLECTED BY THE MAIN PORTION AWAY FROM THE VERTICAL AND FURTHER DEFLECTED AWAY FROM THE VERTICAL BY THE TOE PORTION TO FACILITATE GROUND RUNNING OF THE ENGINE.
Claim 2
Dependent Claim
147 words
A VERTICAL LIFT JET ENGINE WHICH HAS A THRUST TO WEIGHT RATIO OF AT LEAST 8:1, THE ENGINE HAVING A DOWNWARDLY FACING OUTLET NOZZLE, AT LEAST ONE DEFLECTOR MOUNTED ADJACENT THERETO, EACH DEFLECTOR HAVING A FLAT MAIN PORTION, A HINGE AT ONE END OF THE MAIN PORTION ABOUT WHICH THE DEFLECTOR IS MOVABLE, AND A TOE PORTION WHICH IS DISPOSED AT THE END OF THE MAIN PORTION REMOTE FROM THE HINGE AND WHICH IS INCLINED TO THE MAIN PORTION, AND MEANS FOR MOVING THE DEFLECTOR BETWEEN AN INOPERATIVE POSITION IN WHICH JET EFFLUX FROM THE OUTLET NOZZLE IS UNDEFLECTED AND AN OPERATIVE POSITION IN WHICH THE MAIN PORTION IS INCLINED TO THE VERTICAL AND IN WHICH SAID JET EFFLUX IS DEFLECTED BY THE MAIN PORTION AWAY FROM THE VERTICAL AND FURTHER DEFLECTED AWAY FROM THE VERTICAL BY THE TOE PORTION TO FACILITATE GROUND RUNNING OF THE ENGINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |