US 11,817,740 B2
Electric motor, air conditioner, and method for producing electric motor
Hiroki Aso, Tokyo (JP); Takaya Shimokawa, Tokyo (JP); Ryogo Takahashi, Tokyo (JP); Takanori Watanabe, Tokyo (JP); and Kazuma Nomoto, Tokyo (JP)
Assigned to Mitsubishi Electric Corporation, Tokyo (JP)
Appl. No. 16/461,412
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
PCT Filed Jan. 20, 2017, PCT No. PCT/JP2017/001865
§ 371(c)(1), (2) Date May 16, 2019,
PCT Pub. No. WO2018/134959, PCT Pub. Date Jul. 26, 2018.
Prior Publication US 2019/0348892 A1, Nov. 14, 2019
Int. Cl. H02K 1/14 (2006.01); H02K 1/18 (2006.01); H02K 15/12 (2006.01); H02K 21/16 (2006.01); H02K 9/22 (2006.01); F24F 1/20 (2011.01)
CPC H02K 1/146 (2013.01) [F24F 1/20 (2013.01); H02K 1/185 (2013.01); H02K 9/227 (2021.01); H02K 15/12 (2013.01); H02K 21/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electric motor comprising:
a rotor;
a plurality of heat dissipation members; and
a stator assembly including a stator, a printed board, and a resin fixing the plurality of heat dissipation members, wherein
the printed board is fixed to the stator without using a bolt, and the stator and the printed board are united with the resin,
the plurality of heat dissipation members is provided on only one end side of the stator assembly in an axial direction of the electric motor,
a part of the plurality of heat dissipation members is exposed to an outside of the resin,
each of the plurality of heat dissipation members is engaged with the resin, and
each of the plurality of heat dissipation members is spaced apart from and separated from the printed board by the resin.