US3570247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet nozzle thrust spoiling and thrust reversing mechanism
Assignee: Rolls Royce PLC
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Filing: 1969-09-11
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Granted: 1971-03-16
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Expires: 1989-09-11
Abstract
Abstract THE DISCLOSURE OF THIS INVENTION PERTAINS TO A JET NOZZLE FOR JET PROPULSION ENGINES, THE NOZZLE HAVING A CENTRE BODY PROVIDED WITH FLAPS MOVABLE TO DIVERT THE FLOW OF THE GASES. EACH FLAP IS SUPPORTED ON THE CENTER BODY BY A FIRST AND A SECOND LINK, THE FIRST LINK ENGAGING THE FLAP AT A POINT INTERMEDIATE BETWEEN THE UPSTREAM AND DOWNSTREAN ENDS THEREOF AND BEING ADAPTED TO MOVE THE FLAP AWAY FROM A STOWED POSITION ON THE BODY, THE SECOND LINK BEING ADAPTED TO PIVOT ON THE BODY, THE SECOND LINK OBLIQUELY REARWARD POSITION FOR THRUST-SPOILING OR AN OBLIQUELY FORWARD POSITION FOR THRUST-REVERSING.
Inventors
- 👤 Ralph Murch Denning
- 👤 William James Lewis
- 👤 Reginald Harold Wiltshire
- 👤 Douglas John Nightingale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:34
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/54; F02K1/56; F02K1/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |