Rotor hub seal
US10227991B2 · kind B2 · utility
2Cited by
11References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 8, 2016 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | May 8, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine includes a rotor hub which includes a substantially axially extending projection and a substantially radially extending projection. A seal ring includes a body portion and at least one knife edge that extends outward from the body portion. A recess is in the body portion for accepting the axially extending portion of the rotor hub. The seal ring includes at least one cooling passage that extends through the seal ring. A lock ring is in abutting contact with the seal ring and the radially extending projection on the rotor hub for securing the seal ring to the rotor hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.