Title:
FLYING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/199801
Kind Code:
A1
Abstract:
Provided is a flying device in which vibration and anti-torque generated during flight can be effectively reduced. A flying device 10 comprises an engine 11, a transmission shaft 12, and a rotor 14. The engine 11 has a first engine unit 111 and a second engine unit 112. The transmission shaft 12 has a first transmission shaft 121 rotated by the first engine unit 111 and a second transmission shaft 122 rotated by the second engine unit 112. The rotor 14 has a first rotor 141 rotated by the first transmission shaft 121 and a second rotor 142 rotated by the second transmission shaft 122. The first transmission shaft 121 has a hollow structure, and the second transmission shaft 122 is located inside the first transmission shaft 121.
Inventors:
ISHIKAWA MITSURU (JP)
YAMAZAKI MASAKAZU (JP)
YAMAZAKI MASAKAZU (JP)
Application Number:
PCT/JP2023/013970
Publication Date:
October 19, 2023
Filing Date:
April 04, 2023
Export Citation:
Assignee:
ISHIKAWA ENERGY RES CO LTD (JP)
KUBOTA KK (JP)
KUBOTA KK (JP)
International Classes:
B64C27/10; B64C25/10; B64C25/24; B64C39/02; B64D27/24; B64U10/16; B64U30/24; B64U50/11; B64U50/23
Domestic Patent References:
| WO2021221156A1 | 2021-11-04 |
Foreign References:
| US20210403148A1 | 2021-12-30 | |||
| JP2021167198A | 2021-10-21 | |||
| US7712701B1 | 2010-05-11 | |||
| EP3492377A1 | 2019-06-05 |
Attorney, Agent or Firm:
OKADA Yoshitaka et al. (JP)
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