Patent · US Expired

Fan blade axial and radial retention device

US4478554A · kind A · utility

40Cited by
7References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 18, 1983
Grant dateOct 23, 1984
Priority date
Expiry dateOct 18, 2003

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01D5/323
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Axial and radial fan blade retention device, the blade comprising a root of dovetail or other re-entrant form capable of being engaged by axial sliding in corresponding bores of the rim of the disc. It comprises a member of elastomer material in the form of a trough extending axially and interposed between a wedge and the flanks and the base of a groove, the trough having an opening in which is engaged an abutment of the wedge constituting a central seating of the wedge on the base of the groove.

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