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Patent Searching and Data


Title:
BRUSHLESS MOTOR AND BLOWER
Document Type and Number:
Japanese Patent JP2019013114
Kind Code:
A
Abstract:
To provide a brushless motor capable of enhancing torque characteristics and improving output efficiency.SOLUTION: A magnet part 12 included in a rotor of an outer rotor type brushless motor is opposed to a stator 2 in a radial direction. A first magnetic pole 121 and a second magnetic pole 122 of the magnet part are alternately arranged in a circumferential direction. In a stator core 21 included in the stator, a plurality of small teeth 213 arranged in a circumferential direction so as to be opposed to the rotor in the radial direction are provided at a front end part 212b of each tooth 212 extending from a core back 211 in the radial direction. In each tooth, a small tooth open angle is larger than twice a magnet pitch.SELECTED DRAWING: Figure 5

Inventors:
SHIRAISHI YUKINOBU
WATANABE YUSUKE
KANAZAWA YUKI
UCHINO TAKASHI
KURAMOTO SATOSHI
OYAMA SEIICHI
NISHIMURA KEIJI
TSUE YUYA
ONO MASAHIKO
Application Number:
JP2017129721A
Publication Date:
January 24, 2019
Filing Date:
June 30, 2017
Export Citation:
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Assignee:
NIHON DENSAN KK
International Classes:
H02K29/03; H02K1/14; H02K1/27
Attorney, Agent or Firm:
特許業務法人 佐野特許事務所