Patent · US Expired

Soft inplane bearingless helicopter rotor

US4427340A · kind A · utility

66Cited by
25References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 24, 1982
Grant dateJan 24, 1984
Priority date
Expiry dateJun 24, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB64C27/33
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

This invention relates to helicopter rotors and more particularly to rotor mounting involving a composite fiber-reinforced unitary yoke with resilient inplane restraints.

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