Patent · US Expired

Blade retention apparatus for gas turbine rotor

US5984639A · kind A · utility

11Cited by
14References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 1998
Grant dateNov 16, 1999
Priority date
Expiry dateJul 9, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49321
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a blade retention apparatus for a bladed rotor in a turbine section of a gas turbine engine which comprises a rivet grip which has serration at one end and an upset head at the other end, and a sleeve made of a soft metal which is compressed to the serration actually against the surfaces of the disk and the blade. The retention apparatus of the present invention provides a reliable attachment and only requires a simple hand-held pneumatic riveting tool to install.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.