Patent · US Expired

Method and apparatus for non-parallel turbine dovetail-faces

US6592330B2 · kind B2 · utility

8Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 2001
Grant dateJul 15, 2003
Priority date
Expiry dateDec 2, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49321
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A dovetail assembly including non-parallel relief faces that facilitates reduced pressure face brinelling in turbine engines. The assembly includes a plurality of rotor blades, each including a dovetail. Each dovetail includes at least a pair of blade tangs including blade relief faces. The dovetail assembly also includes a rotor disk including a plurality of dovetail slots, each sized to receive a dovetail. Each dovetail slot is defined by at least one pair of opposing disk tangs including disk relief faces. The disk relief faces are non-parallel to the blade relief faces when the dovetail is mounted in the dovetail slot.

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