Patent · US Active

Rotary-wing aircraft

US9051050B2 · kind B2 · utility

30Cited by

9References

15Claims

0Family size

Assignee

Ascending Technology GmbH · DE

Inventors

Michael Achtelik · Stockdorf, DE
Jan Stumpf · Planegg, DE
Daniel Gurdan · Deutsch, DE
Klaus Doth · Krailing, DE

Key dates

Filing date	Mar 17, 2009
Grant date	Jun 9, 2015
Priority date	—
Expiry date	Jan 19, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64U2101/30
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A rotary-wing aircraft (100), comprising at least four rotors (110), which are disposed on girder elements (120a, 120b), wherein said rotors (110) and girder elements (120a, 120b) are disposed such that a free field of vision (S) is defined along a longitudinal axis (L) of said rotary-wing aircraft (100) at least between two terminal rotors.

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