Patent · US Expired

Impeller shroud

US4687412A · kind A · utility

44Cited by
8References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 3, 1985
Grant dateAug 18, 1987
Priority date
Expiry dateJul 3, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S415/914
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An impeller shroud is mounted in a cantilever manner to a stator assembly in a compressor for a gas turbine engine, wherein the impeller has a radial component, the impeller shroud being adapted for deflection around its outer portion in correspondence with deflection which may occur in the outer portion of the impeller. The stator assembly includes a shroud surrounding the compressor gas path and is directly fixed to the casing of the engine and has a common datum with the rotor portion of the compressor through a thrust bearing.

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