Labyrinth seal with lubricant directing projection
US10344869B2 · kind B2 · utility
1Cited by
21References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 2016 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | May 31, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/23
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal assembly and method of directing fluid flow away from a seal. The seal assembly comprises an inner seal member coupled to a rotatable shaft and an outer seal member which is either rotatable or static. The inner seal member has a plurality of knives spaced apart from each other and extending radially away from the shaft. The outer seal member has a rub surface disposed to abut a terminal edge of at least one of the plurality of knives to thereby form a seal. An outer knife of the plurality of knives of the inner seal member extends axially at an angle and is adapted to direct fluid flow away from the seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.