Patent · US Active

Pivot bushing for a variable-pitch vane of a turbomachine

US7588416B2 · kind B2 · utility

11Cited by
4References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 12, 2006
Grant dateSep 15, 2009
Priority date—
Expiry dateNov 10, 2027

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/74
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A pivot bushing for a variable-pitch vane of a turbomachine, the bushing being for mounting in a recess in a ring of the turbomachine, the recess being of a shape that is substantially complementary to the shape of the bushing. The bushing comprises a substantially tubular body of longitudinal axis provided at one end with a first conical collar and at an opposite end with a second conical collar, the conical surfaces defined by the first and second collars being disposed facing each other.

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