Title:
ブラシレスモータ及び電動工具
Document Type and Number:
Japanese Patent JP6402915
Kind Code:
B2
Abstract:
A brushless motor (10) includes: a stator core (11) having a cylindrical yoke portion (111) and a teeth portion (112) having a shape protruding from an inner circumferential surface of the yoke portion (111); and a rotor (12) that is disposed inside the stator core (11), spaced apart from the teeth portion (112), and uses a center axis of the yoke portion (111) as an axis of rotation (AR). The yoke portion (111) includes, on its outer circumferential surface, a notch portion (111a) at a position on the back side of the teeth portion (112). The notch portion (111a) has a circumferential width (W111a) smaller than a circumferential width (W112) of the teeth portion (112).
Inventors:
Kota Kitamura
Hidenori Shimizu
Takeyama Atsushi
Motoharu Muto
Hiroyuki Tsubakimoto
Kouichi Hashimoto
Hidenori Shimizu
Takeyama Atsushi
Motoharu Muto
Hiroyuki Tsubakimoto
Kouichi Hashimoto
Application Number:
JP2014219112A
Publication Date:
October 10, 2018
Filing Date:
October 28, 2014
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H02K1/12
Domestic Patent References:
| JP2000350390A | ||||
| JP3066544U | ||||
| JP2014193083A | ||||
| JP11308790A | ||||
| JP2003111317A | ||||
| JP2013005702A |
Attorney, Agent or Firm:
Patent business corporation Nakajima intellectual property integrated office