Patent · US Active

Fast hybrid helicopter with long range and proportional drive to the rotor and the propeller

US8181901B2 · kind B2 · utility

38Cited by

10References

26Claims

0Family size

Assignee

EUROCOPTER · FR

Inventor

Philippe Roesch · Les Granettes, FR

Key dates

Filing date	May 22, 2008
Grant date	May 22, 2012
Priority date	—
Expiry date	Nov 22, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C2027/8281
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A hybrid helicopter (1) includes firstly an airframe provided with a fuselage (2) and a lift-producing surface (3), together with stabilizer surfaces (30, 35, 40), and secondly with a drive system constituted by:

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