Patent · US Expired

Rotor blade

US5074753A · kind A · utility

15Cited by
20References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 1989
Grant dateDec 24, 1991
Priority date
Expiry dateOct 16, 2009

Classification

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

Abstract

A composite rotor blade comprising an outboard portion defining an airfoil surface, an inboard portion defining an end tang having a mounting section and an extension lug section. The mounting section of the end tang having at least one mounting aperture with an axis parallel to the chordline of the airfoil for mounting of the blade, and the extension lug section having at least one extension lug extending inboard of the mounting aperture to provide a lever surface for interaction with suitable mounting mechanisms.

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