Patent · US Expired

Turbine disk and blade assembly seal

US6315298A · kind A · utility

28Cited by
12References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1999
Grant dateNov 13, 2001
Priority date
Expiry dateNov 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.