Patent · US Active

Blade damper, and a rotor fitted with such a damper

US8636472B2 · kind B2 · utility

0Cited by

9References

11Claims

0Family size

Assignee

EUROCOPTER · FR

Inventors

Charles Louis · Aix-en-Provence, FR
Matthieu Ferrant · Le Puy-en-Velay, FR

Key dates

Filing date	Mar 24, 2011
Grant date	Jan 28, 2014
Priority date	—
Expiry date	Mar 27, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16F1/3807
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The present invention relates to a damper (10) provided with an inner end strength member (20) and an outer end strength member (30) that are tubular and coaxial, a return member (40) being arranged between the inner end strength member (20) and the outer end strength member (30). The return member (40) includes an intermediate strength member (43) coaxial with the inner and outer end strength members (20, 30), said return member (40) having first and second return means (41, 42), said first return means (41) being arranged between the outer end strength member (30) and said intermediate strength member (43), said second return means (42) being arranged between the inner end strength member (20) and said intermediate strength member (43).

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