Title:
FAN DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/059976
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a thin fan device having a waterproof function and a dustproof function. In a fan device (1), an impeller (20), a motor (30) for rotating the impeller (20), and a board (40) provided with electronic components for driving the motor (30) are arranged inside a casing (10) comprising first and second casing members (11, 12), wherein: one or a plurality of recessed portions (12a) are formed on an inner surface of the first casing member (12); a stator (31) of the motor (30) is accommodated in the recessed portions (12a); and the board (40) blocks the openings of the recessed portions (12a).
Inventors:
OMURA YUJI (JP)
FANG YU (JP)
FANG YU (JP)
Application Number:
PCT/JP2020/034091
Publication Date:
April 01, 2021
Filing Date:
September 09, 2020
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
F04D29/00; F04D29/08; F04D29/42; F04D29/70; H02K5/10; H02K7/14; H02K11/30
Foreign References:
| JP2000312462A | 2000-11-07 | |||
| JP2009268196A | 2009-11-12 | |||
| JP2000116069A | 2000-04-21 |
Attorney, Agent or Firm:
EINSEL Felix-Reinhard et al. (JP)
Download PDF:
Previous Patent: ROLLING BEARING
Next Patent: CURABLE COMPOSITION, CURED FILM, COLOR FILTER, SOLID-STATE IMAGING ELEMENT, AND IMAGE DISPLAY DEVICE
Next Patent: CURABLE COMPOSITION, CURED FILM, COLOR FILTER, SOLID-STATE IMAGING ELEMENT, AND IMAGE DISPLAY DEVICE