US3159969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing and rotatable mounting arrangement for rocket nozzles
Assignee: Safran Aircraft Engines SAS
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Filing: 1963-03-18
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Granted: 1964-12-08
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ernst Adolphe Otton Gontier
- 👤 Tremouilles Francis Jean-M Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:27
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A ROCKET EQUIPPED WITH AT LEAST ONE DISCHARGE NOZZLE HAVING AN UPSTREAM PORTION WHICH IS ROTATABLE ABOUT ITS AXIS WITH RESPECT TO THE SAID ROCKET AND A DOWNSTREAM PORTION FORMING AN ELBOW WITH THE SAID UPSTREAM PORTION, A SEALING AND ROTATABLE MOUNTING ARRANGEMENT DISPOSED ABOUT THE SAID UPSTREAM PORTION AND COMPRISING AN AXIAL-DISPLACEMENT ANNULAR PISTON, AT LEAST ONE LABYRINTH PACKING SITUATED DOWNSTREAM OF THE SAID PISTON, AND AN ANNULAR CHAMBER FORMED BETWEEN THE SAID PISTON, THE
Claim 2
Dependent Claim
77 words
IN A ROCKET EQUIPPED WITH AT LEAST ONE DISCHARGE NOZZLE HAVING AN UPSTREAM PORTION WHICH IS ROTATABLE ABOUT ITS AXIS WITH RESPECT TO THE SAID ROCKET AND A DOWNSTREAM PORTION FORMING AN ELBOW WITH THE SAID UPSTREAM PORTION, A SEALING AND ROTATABLE MOUNTING ARRANGEMENT DISPOSED ABOUT THE SAID UPSTREAM PORTION AND COMPRISING AN AXIAL-DISPLACEMENT ANNULAR PISTON, AT LEAST ONE LABYRINTH PACKING SITUATED DOWNSTREAM OF THE SAID PISTON, AND AN ANNULAR CHAMBER FORMED BETWEEN THE SAID PISTON, THE
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |