Turbocharger seal assembly
Abstract
Abstract A SEAL ASSEMBLY SUITABLE FOR COMBINATION WITH A TURBOCHARGER HAVING A HOUSING DEFINING A TURBINE CHAMBER AND A SHAFT ROTATABLY PENETRATING THE HOUSING TO SUPPORT A TURBINE ROTOR THEREIN. TWO ANNULAR GROOVES ARE FORMED IN THE SHAFT AND AN ADJACENT PORTION OF THE HOUSING IN RADIALLY OPPOSED RELATION WITH A SPLIT SEAL RING ARRANGED WITHIN BOTH OF THE GROOVES. ONE OF THE GROOVES IS A RESTRAINING GROOVE FOR LIMITING AXIAL MOVEMENT OF THE SEAL RING. THE OTHER GROOVE IS AXIALLY WIDER THAN THE RESTRAINING GROOVE WITH MEANS ASSOCIATED BETWEEN THE HOUSING AND SHAFT TO LIMIT RELATIVE AXIAL MOVEMENT THEREBETWEEN AND MAINTAIN AXIAL SPACING BETWEEN THE SEAL RING AND BOTH AXIAL SIDES OF THE OTHER GROOVE.
Inventors
- 👤 Elbert H Miller
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |