Turbine disk and blade assembly seal
US6315298A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1999 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Nov 22, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S416/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A seal for the aft end of a turbine blade and disk assembly of a gas turbine engine to prevent leakage of the cooling air whose main body and cross section are U-shaped that freely fits into a groove formed in the disk lug adjacent the rim of the disk on the aft side thereof. When rotating the center of the base of the U bears against the buttress of the platform of the blade and centrifugal force forces the sides of the U to deform to bear against the walls of the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.