Patent · US Expired

Helicopter flight control systems

US4834318A · kind A · utility

8Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 1987
Grant dateMay 30, 1989
Priority date
Expiry dateDec 10, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/30
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

In a helicopter, signals representative of the rotor disc attitude of a main sustaining rotor (11) are fed into a flight control system (24) to modify an actuator demand signal (31) controlling a rotor blade actuation system (32) of the main sustaining rotor.

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