Patent · US Expired

Frame hub heating system

US6612807B2 · kind B2 · utility

36Cited by
11References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 15, 2001
Grant dateSep 2, 2003
Priority date
Expiry dateDec 6, 2021

Classification

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

Abstract

A frame for a gas turbine engine is provided comprising a central hub having a circumferentially extending flowpath surface enclosing an interior cavity and an annular outer casing connected to the hub by a plurality of struts extending radially from the hub to the casing, wherein the flowpath surface has a plurality of inlets disposed in flow communication with the interior cavity and a plurality of outlets disposed in flow communication with the interior cavity. A flowpath member for a turbine frame hub is also provided having a plurality of inlets and outlets formed therein.

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