Title:
マルチローターヘリコプタ及びマルチローターヘリコプタの駆動系冷却方法
Document Type and Number:
Japanese Patent JP7294447
Kind Code:
B2
Abstract:
This multi-rotor helicopter has a fuselage and a plurality of fan units. Each of the fan units is equipped with a circular fan frame, a rotating blade, and a drive-system cooling unit. Each drive-system cooling unit has: an accommodation container that accommodates at least one of a drive unit, a driver, and a power source; a cooling fan that supplies cooling air to the accommodation container; an intake flow path that guides air from the cooling fan toward the accommodation container; and an exhaust flow path that discharges air that has passed through the accommodation container. The discharge flow path discharges air that has passed through the accommodation container in the tangent direction of the fan frame.
Inventors:
Takashi Mizumoto
Toshiaki Yamashita
Toshiaki Yamashita
Application Number:
JP2021561274A
Publication Date:
June 20, 2023
Filing Date:
November 10, 2020
Export Citation:
Assignee:
NEC
International Classes:
B64D33/08; B64C27/08; B64D9/00; B64D11/06; B64D27/24
Domestic Patent References:
| JP2018537348A |
Foreign References:
| US9764833 | ||||
| WO2019041241A1 |
Attorney, Agent or Firm:
Sumio Tanai
Ryuichiro Mori
Yasushi Matsunuma
Eisuke Ito
Ryuichiro Mori
Yasushi Matsunuma
Eisuke Ito
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