Title:
UNMANNED AERIAL VEHICLE COMPRISING SAFETY GUARD
Document Type and Number:
WIPO Patent Application WO/2019/208966
Kind Code:
A1
Abstract:
An unmanned aerial vehicle according to the present invention may comprise: a rotor-blade for providing thrust according to generation of main stream; and a safety guard disposed to surround the rotor-blade. The safety guard may comprise: a guide member which is disposed coaxially with the rotor-blade while having a gap between the guard member and the end of the rotor-blade, so as to stabilize, when the rotor-blade rotates, a flow field suctioned by a negative pressure, and stably boost a discharge flow when the pressure is changed to a positive pressure; and a diffuser which is disposed coaxially with and radially spaced apart from the guide member, and generates a secondary flow toward the main stream to increase a flow rate.
Inventors:
KANG YONGHUN (KR)
PARK JUNHO (KR)
JUNG SEUNGHWAN (KR)
YANG SOOSANG (KR)
JUNG SANGJUN (KR)
PARK JUNHO (KR)
JUNG SEUNGHWAN (KR)
YANG SOOSANG (KR)
JUNG SANGJUN (KR)
Application Number:
PCT/KR2019/004575
Publication Date:
October 31, 2019
Filing Date:
April 16, 2019
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
B64C39/02; B64C27/20
Domestic Patent References:
| WO2011126535A2 | 2011-10-13 |
Foreign References:
| US4796836A | 1989-01-10 | |||
| US20140151494A1 | 2014-06-05 | |||
| KR20150064868A | 2015-06-12 | |||
| US8181902B2 | 2012-05-22 |
Other References:
See also references of EP 3778392A4
Attorney, Agent or Firm:
KWON, Hyuk-Rok et al. (KR)
Download PDF: