Title:
AIRCRAFT
Document Type and Number:
WIPO Patent Application WO/2021/074968
Kind Code:
A1
Abstract:
The present invention provides an aircraft that can generate a sound for warding off wild animals while limiting power consumption. An aircraft 1, 1A, 1B, 1C according to the present invention is provided with: a rotor 20 which generates an airflow for lift; and a sound generation mechanism 40, 40A, 40B, 40C which comprises opening sections 41, 43, 41A, 41B, 44B, 41C and by which a sound for warding off wild animals is generated by air flowing into the opening sections 41, 43, 41A, 41B, 44B, 41C due to the airflow generated by the rotor 20.
Inventors:
YAMATO TAKUMI (JP)
Application Number:
PCT/JP2019/040501
Publication Date:
April 22, 2021
Filing Date:
October 15, 2019
Export Citation:
Assignee:
RAKUTEN INC (JP)
International Classes:
B64C39/02; A01M29/16
Foreign References:
| CN104354860A | 2015-02-18 | |||
| CN204279936U | 2015-04-22 | |||
| JP2004135525A | 2004-05-13 | |||
| JP3199308U | 2015-08-13 | |||
| CN108995799A | 2018-12-14 | |||
| CN106417244A | 2017-02-22 | |||
| JP2019047755A | 2019-03-28 |
Attorney, Agent or Firm:
SAITO Takuya et al. (JP)
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