Patent · US Expired

Abradable rub strip

US4349313A · kind A · utility

22Cited by
17References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 1979
Grant dateSep 14, 1982
Priority date
Expiry dateDec 26, 1999

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01D11/125
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An abradable rub strip for use in the compression section of a gas turbine engine is disclosed. Various construction details are developed for limiting penetration of the abradable rub strip by an array of rotor blades. A ring formed of metallic material is embedded in the abradable rub strip.

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