Title:
ファンモータ
Document Type and Number:
Japanese Patent JP4857631
Kind Code:
B2
Abstract:
A fan includes an impeller portion generating an air flow and a motor that rotates the impeller portion about a center axis. The impeller portion is attached to a yoke of a rotor portion of the motor and is rotated with the yoke. A circular portion of the impeller is attached to a bottom opening of the yoke having a cylindrical shape whose top is covered by insert molding. Therefore, the impeller and the yoke may be securely fixed to each other. In addition, an outer side surface of the yoke is exposed to outside air such that the space arranged inward from the plurality of blades may be enlarged.
Inventors:
Hidenori Nagamatsu
Akimoto Yamazaki
Moriya Shigeyuki
Akimoto Yamazaki
Moriya Shigeyuki
Application Number:
JP2005206455A
Publication Date:
January 18, 2012
Filing Date:
July 15, 2005
Export Citation:
Assignee:
Nidec Corporation
International Classes:
F04D29/28
Domestic Patent References:
| JP58109594U | ||||
| JP200254594A | ||||
| JP573295U | ||||
| JP2005140095A |
Attorney, Agent or Firm:
Masahiro Matsusaka