Non-contacting clearance seal for high misalignment applications
US7055827B2 · kind B2 · utility
6Cited by
34References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2003 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Aug 5, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C33/80
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An improved oil seal is provided for sealing passage of a rotatable shaft through an end wall of a bearing housing in a turbomachine or the like, wherein the shaft is rotatably supported within the bearing housing by oil-lubricated bearings. The improved oil seal comprises a dynamic oil-air separator and a slinger rotor mounted on the shaft for rotation therewith, the slinger rotor having an outwardly extending slinger ring with an outboard seal face with radially oriented slots and a circumferential groove or grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.