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1. (WO2018139661) UNMANNED AIRCRAFT

Pub. No.:    WO/2018/139661    International Application No.:    PCT/JP2018/002856
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Wed Jan 31 00:59:59 CET 2018
IPC: B64C 27/08
B64C 27/82
Applicants: NIDEC CORPORATION
日本電産株式会社
Inventors: TAKAO, Masashi
高尾 征志
Title: UNMANNED AIRCRAFT
Abstract:
In this unmanned aircraft: a circle described by a tip end of a main propeller and circles described by each tip end of a plurality of auxiliary propellers overlap at least partially in an axial direction; the direction of rotation of the plurality of auxiliary propellers is the opposite direction to the direction of rotation of the main propeller when seen from one side in the axial direction of a main shaft; and a torque acting on a body portion from the main propeller when the body portion is stationary in midair is the same as the sum of torques acting on the body portion from the plurality of auxiliary propellers.