Patent · US Active

Rotary wing aircraft with an asymmetrical rear section

US11655021B2 · kind B2 · utility

3Cited by

7References

14Claims

0Family size

Assignee

AIRBUS HELICOPTERS DEUTSCHLAND GMBH · DE

Inventors

Rupert Pfaller · Riemerling, DE
Tobias RIES · Blankenburg, DE

Key dates

Filing date	Jul 15, 2021
Grant date	May 23, 2023
Priority date	—
Expiry date	Aug 5, 2041

Classification

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

Abstract

A rotary wing aircraft that extends along an associated roll axis between a nose region and an aft region and that comprises a fuselage with a front section and a rear section, the rotary wing aircraft comprising: a main rotor that is rotatably mounted at the front section, a shrouded duct that is arranged in the aft region, and a propeller that is rotatably mounted to the shrouded duct, wherein the rear section extends between the front section and the shrouded duct and comprises an asymmetrical cross-sectional profile in direction of the associated roll axis.

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