US 12,294,276 B2
Fan motor
Masaaki Sato, Nagano (JP)
Assigned to MINEBEA MITSUMI Inc., Nagano (JP)
Appl. No. 17/753,494
Filed by MINEBEA MITSUMI Inc., Nagano (JP)
PCT Filed Aug. 17, 2020, PCT No. PCT/JP2020/030948
§ 371(c)(1), (2) Date Mar. 4, 2022,
PCT Pub. No. WO2021/049252, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 2019-164706 (JP), filed on Sep. 10, 2019.
Prior Publication US 2022/0329129 A1, Oct. 13, 2022
Int. Cl. H02K 5/22 (2006.01); H02K 5/02 (2006.01); H02K 5/08 (2006.01); H02K 5/10 (2006.01); H02K 7/14 (2006.01)
CPC H02K 5/225 (2013.01) [H02K 5/02 (2013.01); H02K 5/08 (2013.01); H02K 5/10 (2013.01); H02K 7/14 (2013.01); H02K 2203/03 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A motor comprising:
a stator;
a circuit board configured to supply a current to the stator;
a rotor rotating by the current supplied to the stator;
a lead wire connecting an external power supply to the circuit board;
a first mold resin covering at least a portion of the stator, at least a portion of the circuit board, and a portion of the lead wire; and
a second mold resin covering a predetermined range from the first mold resin of the lead wire led out from the first mold resin,
wherein the second mold resin has hardness lower than hardness of the first mold resin, and
a protruding portion that is composed of the first mold resin is provided at a portion of an outer circumferential part of the first mold resin where the lead wire is led out, and
the second mold resin covers the lead wire led out from the protruding portion.