Title:
ELECTRIC WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2022/123925
Kind Code:
A1
Abstract:
This electric work machine comprises: a stator including a stator core, an insulator fixed to the stator core, and a coil mounted on the insulator; a rotor having a rotor cup, at least a part of which is disposed on the outer circumferential side of the stator and a magnet fixed to the rotor cup; a stator base for supporting the stator core; a rotor shaft, at least a part of which is disposed inside the stator base and which rotates about the rotational axis; an output unit which is driven by the rotor; and a bearing disposed between the stator base and the rotor shaft and supporting the rotor shaft. The bearing and at least a part of the stator core are overlapped with each other in the axial direction of the rotational axis.
Inventors:
KOUDA KEI (JP)
Application Number:
PCT/JP2021/038998
Publication Date:
June 16, 2022
Filing Date:
October 21, 2021
Export Citation:
Assignee:
MAKITA CORP (JP)
International Classes:
H02K5/173
Domestic Patent References:
| WO2020067245A1 | 2020-04-02 | |||
| WO2002052698A1 | 2002-07-04 |
Foreign References:
| JP2018143043A | 2018-09-13 | |||
| JP2010178493A | 2010-08-12 | |||
| JP2020145766A | 2020-09-10 | |||
| JP2019054615A | 2019-04-04 | |||
| JP2020088909A | 2020-06-04 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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