Patent · US Active

Blade outer air seal with circumferential hook assembly

US11111806B2 · kind B2 · utility

1Cited by
9References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 2018
Grant dateSep 7, 2021
Priority date
Expiry dateDec 20, 2038

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A gas turbine engine includes a compressor section and a turbine section. The turbine section includes at least one rotor and at least one blade extending radially outwardly from the rotor to a radially outer tip. A blade outer air seal assembly is positioned radially outwardly of the radially outer tip of the blade. The blade outer air seal has forward and aft hooks, and the forward and aft hooks are supported on forward and aft seal hooks of an attachment block. The blade outer air seal forward and aft hooks extend at angles relative to an upper surface of a web that is between 20 and 70 degrees. A method is also disclosed.

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