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Title:
BLADE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/189442
Kind Code:
A1
Abstract:
This blade device is provided with: a motor having a motor body and an output portion, said motor body having a rotor rotating around the central axis, said output portion being connected to the rotor and projecting from the motor body toward one side in the axial direction; and a propeller fixed to one side end of the output portion in the axial direction. The propeller has: a flat portion at an inside portion in the radial direction, said flat portion extending in a direction orthogonal to the axial direction, said inside portion facing a plane facing one side of the motor body in the axial direction; and a fan fixed to the output portion between the flat portion and the motor body. At least one blade of the fan faces the propeller in the axial direction with a space interposed therebetween.

Inventors:
OGASAWARA, Daisuke (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
KAJIKAWA, Satoshi (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
MAKINO, Yusuke (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2019/013321
Publication Date:
October 03, 2019
Filing Date:
March 27, 2019
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K9/02
Domestic Patent References:
WO2016009531A12016-01-21
Foreign References:
KR20170139954A2017-12-20
JPH1038305A1998-02-13
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