US3129922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self centering ring seal
Assignee: Individual
•
Filing: 1961-11-27
•
Granted: 1964-04-21
•
Expires: 1981-11-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:52
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/44; F16J15/447; F16J15/4472; F01; F01D; F01D11/00; F01D11/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A TURBOJET ENGINE, THE COMBINATION OF AN ENGINE INNER SUPPORT, A RADIALLY INNER NOZZLE VANE SHROUD HAVING AN INNER CYLINDRICAL SURFACE AND A SUPPORT THEREFOR SECURED TO SAID INNER ENGINE SUPPORT, SAID RADIALLY INNER NOZZLE VANE SHROUD SUPPORT AND SAID RADIALLY INNER NOZZLE VANE SHROUD HAVING A LEAKAGE PATH THEREBETWEEN, AND A RING SEALING ASSEMBLY SECURED TO THE INNER SUPPORT, SAID RING SEALING ASSEMBLY HAVING MEANS FRICTIONALLY ENGAGING SAID CYLINDRICAL SURFACE FOR SEALING THE LEAKAGE PATH, SAID MEANS COMPRISING A RETAINING RING, MEANS SECURING SAID RETAINING RING TO THE INNER SUPPORT, AND A SPLIT RESILIENT SEALING RING MOVABLY DISPOSED WITHIN SAID RETAINING RING IN SUCH A MANNER AS TO TIGHTLY ABUT SAID RETAINING RING IN SEALED RELATION THEREWITH AND BE RADIALLY COMPRESSED AGAINST THE CYLINDRICAL SURFACE OF THE RADIALLY INNER SHROUD TO FORM A SEAL BETWEEN SAID RETAINING RING AND THE SHROUD.
Claim 2
Dependent Claim
143 words
IN A TURBOJET ENGINE, THE COMBINATION OF AN ENGINE INNER SUPPORT, A RADIALLY INNER NOZZLE VANE SHROUD HAVING AN INNER CYLINDRICAL SURFACE AND A SUPPORT THEREFOR SECURED TO SAID INNER ENGINE SUPPORT, SAID RADIALLY INNER NOZZLE VANE SHROUD SUPPORT AND SAID RADIALLY INNER NOZZLE VANE SHROUD HAVING A LEAKAGE PATH THEREBETWEEN, AND A RING SEALING ASSEMBLY SECURED TO THE INNER SUPPORT, SAID RING SEALING ASSEMBLY HAVING MEANS FRICTIONALLY ENGAGING SAID CYLINDRICAL SURFACE FOR SEALING THE LEAKAGE PATH, SAID MEANS COMPRISING A RETAINING RING, MEANS SECURING SAID RETAINING RING TO THE INNER SUPPORT, AND A SPLIT RESILIENT SEALING RING MOVABLY DISPOSED WITHIN SAID RETAINING RING IN SUCH A MANNER AS TO TIGHTLY ABUT SAID RETAINING RING IN SEALED RELATION THEREWITH AND BE RADIALLY COMPRESSED AGAINST THE CYLINDRICAL SURFACE OF THE RADIALLY INNER SHROUD TO FORM A SEAL BETWEEN SAID RETAINING RING AND THE SHROUD.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |