Title:
BRUSHLESS MOTOR AND ELECTRIC BLOWER
Document Type and Number:
Japanese Patent JP2019187111
Kind Code:
A
Abstract:
To provide a brushless motor capable of suppressing demagnetization of a magnet unit without reducing input, and an electric blower including the brushless motor.SOLUTION: A brushless motor 3 includes a spindle 10, a frame 14, and a guide portion 15. The spindle 10 includes a shaft 16 and a magnet portion 17 disposed on the shaft 16, and rotates together with a fan 2 disposed on the shaft 16. The frame 14 surrounds a portion of the shaft 16 between the fan 2 and the magnet portion 17 and guides an airflow AF generated by the rotation of the fan 2 to the magnet portion 17 side. The guide portion 15 guides the airflow AF so as to cool the magnet portion 17.SELECTED DRAWING: Figure 1
Inventors:
FUJIWARA RYOYA
Application Number:
JP2018076084A
Publication Date:
October 24, 2019
Filing Date:
April 11, 2018
Export Citation:
Assignee:
TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP
International Classes:
H02K7/14; A47L9/00; F04D25/08; H02K9/06
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada