US 12,463,473 B2
Electric work machine
Kei Kouda, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Appl. No. 18/037,188
Filed by MAKITA CORPORATION, Anjo (JP)
PCT Filed Oct. 21, 2021, PCT No. PCT/JP2021/038999
§ 371(c)(1), (2) Date May 16, 2023,
PCT Pub. No. WO2022/123926, PCT Pub. Date Jun. 16, 2022.
Claims priority of application No. 2020-203883 (JP), filed on Dec. 9, 2020.
Prior Publication US 2024/0006933 A1, Jan. 4, 2024
Int. Cl. H02K 1/14 (2006.01); H02K 1/2786 (2022.01); H02K 3/32 (2006.01); H02K 9/22 (2006.01); A01D 101/00 (2006.01)
CPC H02K 1/146 (2013.01) [H02K 1/2786 (2013.01); H02K 3/325 (2013.01); H02K 9/227 (2021.01); A01D 2101/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electric work machine comprising:
a stator including a stator core, an insulator fixed to the stator core, and coils mounted on the insulator;
a rotor at least a part of which is disposed on an outer circumferential side of the stator, the rotor including a magnet;
a stator base including a first heat dissipation fin and supported by the stator core; and
an output unit driven by the rotor, wherein
the first heat dissipation fin is disposed inside the stator core in a radial direction.