Title:
RADIO ALTIMETER AND UNMANNED ROTORCRAFT
Document Type and Number:
WIPO Patent Application WO/2023/233717
Kind Code:
A1
Abstract:
An unmanned rotorcraft 1 comprises a non-moving landing leg 60 that is fixed to a vehicle body 50. The landing leg 60 includes a ground-contact part 61 that is for making contact with the ground and a frame part 63 that connects the ground-contact part 61 and the vehicle body 50. A radio altimeter 70 includes a transmission antenna 71 for emitting radio waves. The transmission antenna 71 is fixed to the ground-contact part 61 of the unmanned rotorcraft 1 or to a part of the frame part 63 which is positioned in the vicinity of the ground-contact part 61. The position of cargo loaded in the unmanned rotorcraft 1 is below the vehicle body 50 and above the transmission antenna 71, and is limited to a prescribed range 80 which avoids interfering with downwash created by a plurality of rotor blades 10.
Inventors:
SANO TAKASHI (JP)
Application Number:
PCT/JP2023/004989
Publication Date:
December 07, 2023
Filing Date:
February 14, 2023
Export Citation:
Assignee:
JAPAN AVIATION ELECTRONICS IND LTD (JP)
International Classes:
B64D45/00; B64C25/06; B64C27/08; B64C39/02; B64D27/24; B64U10/20; B64U50/19; B64U60/50; B64U80/82; G01S7/03
Foreign References:
| US20180155027A1 | 2018-06-07 | |||
| US20210405655A1 | 2021-12-30 | |||
| US20180319495A1 | 2018-11-08 | |||
| US20190079509A1 | 2019-03-14 |
Attorney, Agent or Firm:
NAKAO, Naoki et al. (JP)
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