Patent US3333772A successfully refreshed from Google Patents.
US3333772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge nozzle apparatus for jet aircraft
Assignee: Ateliers dAviation Louis Breguet SA
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Filing: 1965-03-30
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Granted: 1967-08-01
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Bruner Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:44
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/36; F02K1/40; F02K1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A DISCHARGE NOZZLE APPARATUS FOR JET AIRCRAFT, WHICH IS ARRANGED SO AS TO BE CAPABLE OF CHANGING FROM A POSITION IN WHICH IT OPERATES AS A SILENCER TO A NORMAL FLIGHT POSITION, COMPRISING A CENTRAL DISCHARGE PASSAGE, AND DUCTS DIRECTED REARWARDLY SUBSTANTIALLY PARALLEL TO THE SAID PASSAGE AND ARRANGED IN RING FROM EXTERNAL OF SAID PASSAGE AND ABOUT ITS REAR PORTION, THE SAID PASSAGE COMPRISING, UPSTREAM OF THE INLET OPENINGS OF THE SAID DUCTS, APERTURES PROVIDED WITH MOBILE FLAPS MAKING IT POSSIBLE EITHER TO RE-ESTABLISH THE CONTINUITY OF THE CENTRAL PASSAGE OR TO DIRECT TOWARDS THE EXTERNAL DUCTS A PORTION OF THE DISCHARGED GAS FLOW SO AS TO CAUSE A DILUTION OF THE GAS IN THE AIR INDUCED ABOUT THE SAID DUCTS, WHICH SUBSTANTIALLY REDUCES THE NOISE PRODUCED AND A SLIDING SLEEVE FROM UNCOVERING THE RING OF EXTERNAL DUCTS WHEN OPERATING AS A SILENCER, AND TO RECOVER THE GREATER PART OF THE SAID RING IN THE OTHER OPERATING POSITION.
Claim 2
Dependent Claim
159 words
A DISCHARGE NOZZLE APPARATUS FOR JET AIRCRAFT, WHICH IS ARRANGED SO AS TO BE CAPABLE OF CHANGING FROM A POSITION IN WHICH IT OPERATES AS A SILENCER TO A NORMAL FLIGHT POSITION, COMPRISING A CENTRAL DISCHARGE PASSAGE, AND DUCTS DIRECTED REARWARDLY SUBSTANTIALLY PARALLEL TO THE SAID PASSAGE AND ARRANGED IN RING FROM EXTERNAL OF SAID PASSAGE AND ABOUT ITS REAR PORTION, THE SAID PASSAGE COMPRISING, UPSTREAM OF THE INLET OPENINGS OF THE SAID DUCTS, APERTURES PROVIDED WITH MOBILE FLAPS MAKING IT POSSIBLE EITHER TO RE-ESTABLISH THE CONTINUITY OF THE CENTRAL PASSAGE OR TO DIRECT TOWARDS THE EXTERNAL DUCTS A PORTION OF THE DISCHARGED GAS FLOW SO AS TO CAUSE A DILUTION OF THE GAS IN THE AIR INDUCED ABOUT THE SAID DUCTS, WHICH SUBSTANTIALLY REDUCES THE NOISE PRODUCED AND A SLIDING SLEEVE FROM UNCOVERING THE RING OF EXTERNAL DUCTS WHEN OPERATING AS A SILENCER, AND TO RECOVER THE GREATER PART OF THE SAID RING IN THE OTHER OPERATING POSITION.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |