Patent · US Expired

Sealing means for bladed rotor for a gas turbine engine

US4218189A · kind A · utility

24Cited by
8References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 28, 1978
Grant dateAug 19, 1980
Priority date
Expiry dateJul 28, 1998

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2240/56
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A bladed rotor for a gas turbine engine comprises a rotor disc having a plurality of blade retaining slots in its periphery and a rotor blade mounted in each slot, and sealing means between the rotor and the adjacent static structure comprising an annular projection from adjacent the disc periphery adapted to coact with an annular feature on the static structure. The annular projection is made up of a plurality of abutting segments, alternate ones of which project from the disc and one of the rotor blades respectively.

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