Title:
DRONE USING COAXIAL INVERTED ROTOR
Document Type and Number:
WIPO Patent Application WO/2018/139694
Kind Code:
A1
Abstract:
A rotary wing drone according to one embodiment of the present invention comprises: a flight control unit for controlling the flight of the rotary wing drone; a main body including a first motor and a second motor; an upper shaft vertically inserted into the main body and rotating in a first direction around a first axis by means of the force of the first motor; a plurality of upper rotor blades connected to the upper shaft such that the plurality of upper rotor blades rotate in the first direction around the first axis at a fixed pitch angle; a lower shaft vertically inserted into the main body and rotating in a second direction opposite to the first direction around the first axis by means of the force of the second motor; a plurality of lower rotor blades and a swash plate connected to the lower shaft so as to rotate in the second direction around the first axis and having a variable pitch angle; a slope regulator for regulating the slope of the swash plate; a link part for connecting the swash plate to the plurality of lower rotor blades; and a pitch control unit positioned at the lower ends of the plurality of lower rotor blades.
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Inventors:
LEE KUNWOO (KR)
SONG YONGKYU (KR)
NOH JEONGHO (KR)
BANG JUNSEOK (KR)
LEE CHULBAE (KR)
SONG YONGKYU (KR)
NOH JEONGHO (KR)
BANG JUNSEOK (KR)
LEE CHULBAE (KR)
Application Number:
PCT/KR2017/000983
Publication Date:
August 02, 2018
Filing Date:
January 26, 2017
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
IUCF KOREA AEROSPACE UNIV (KR)
IUCF KOREA AEROSPACE UNIV (KR)
International Classes:
B64C39/02; B64C11/48; B64C27/10; B64C27/12
Foreign References:
| US20140299708A1 | 2014-10-09 | |||
| KR200295729Y1 | 2002-11-18 | |||
| KR20060027941A | 2006-03-29 | |||
| KR100675345B1 | 2007-01-30 | |||
| KR20160052238A | 2016-05-12 |
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
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