Patent · US Active

Rotorcraft fitted with an antivibration system, and a method of adjusting such an antivibration system

US11203417B2 · kind B2 · utility

0Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2018
Grant dateDec 21, 2021
Priority date
Expiry dateSep 15, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB64C2027/005
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A rotorcraft having an antivibration system, the antivibration system being arranged at the interface between a fuselage of the rotorcraft and a casing of a main power transmission gearbox, or “MGB”, in order to transmit rotary motion generated by an engine of the rotorcraft to a main rotor providing the rotorcraft at least with lift, and possibly also propulsion, the antivibration system including calculation means for analyzing as a function of time the dynamic excitation and the resulting vibration transmitted to the fuselage of the rotorcraft.

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