Title:
軸流ファン装置
Document Type and Number:
Japanese Patent JP6928434
Kind Code:
B2
Abstract:
There is provided a fan apparatus having a high-strength structure for supporting an impeller and a motor with good air quantity characteristics. The fan apparatus has a motor, an impeller, a motor base portion, a frame and a plurality of spoke portions. The impeller has a plurality of blades and are arranged to be rotated by the motor. The motor base portion supports the motor. The frame has an annular inner peripheral wall formed to surround the impeller as viewed from a rotation axis direction. The spoke portions connect the motor base portion and the frame. An end portion of the blade in the side of the frame is inside the inner peripheral wall and a blade portion having a length not less than half the length of the blade in the rotation axis direction is exposed, as viewed from a direction perpendicular to the rotation axis direction.
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Inventors:
Morohashi Haruomi
Koichi Tamai
Seima Toshiaki
Yukihiro Higuchi
Koichi Tamai
Seima Toshiaki
Yukihiro Higuchi
Application Number:
JP2016194408A
Publication Date:
September 01, 2021
Filing Date:
September 30, 2016
Export Citation:
Assignee:
MinebeaMitsumi Co., Ltd.
International Classes:
F04D29/52; F04D29/54; F04D29/64
Domestic Patent References:
| JP10500252A | ||||
| JP2008082328A | ||||
| JP2011012620A | ||||
| JP2003009470A | ||||
| JP2011047347A | ||||
| JP8502804A | ||||
| JP2005303015A | ||||
| JP3157100U | ||||
| JP2001248598A |
Attorney, Agent or Firm:
Yutaka Tsubaki
Ishikawa Tatsuro
Tsuyoshi Shiraka
Ishikawa Tatsuro
Tsuyoshi Shiraka