Non-contact labyrinth seal assembly and method of construction thereof
US9291272B2 · kind B2 · utility
7Cited by
56References
18Claims
0Family size
Inventors
Key dates
| Filing date | Feb 13, 2015 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Feb 21, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A labyrinth seal assembly, bearing assembly therewith, and method of construction thereof, has an outer rigid carrier and an inner sleeve. The carrier has an outer cylindrical flange and a radially inwardly extending leg and the sleeve has a cylindrical wall and a radially outwardly extending flange. A seal body is attached to at least one of the leg and the flange, wherein a labyrinth passage extends between the seal body and the sleeve, from an air side of the assembly to an oil side of the assembly, during normal use of the assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.