US 12,413,120 B2
Motor with sensor coil
Dae Gil Byeon, Seoul (KR); and Young Dae Park, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 17/797,192
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Jan. 26, 2021, PCT No. PCT/KR2021/001018
§ 371(c)(1), (2) Date Aug. 3, 2022,
PCT Pub. No. WO2021/157935, PCT Pub. Date Aug. 12, 2021.
Claims priority of application No. 10-2020-0013618 (KR), filed on Feb. 5, 2020; and application No. 10-2020-0049373 (KR), filed on Apr. 23, 2020.
Prior Publication US 2023/0054067 A1, Feb. 23, 2023
Int. Cl. H02K 11/225 (2016.01); G01D 5/14 (2006.01); H02K 5/16 (2006.01); H02K 7/08 (2006.01); H02K 21/28 (2006.01)
CPC H02K 11/225 (2016.01) [G01D 5/14 (2013.01); H02K 5/165 (2013.01); H02K 7/088 (2013.01); H02K 21/28 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A motor comprising:
a shaft;
a rotor including a rotor core and a first coil disposed on the rotor core;
a stator including a yoke and a magnet disposed on the yoke;
a substrate electrically connected to the first coil; and
a first housing coupled to the rotor,
wherein
the rotor is disposed in the stator,
the substrate includes a sensor and a second coil connected to the sensor,
the first housing includes a hole,
the yoke includes a plurality of protrusions, and
the protrusions and the hole are disposed to overlap the second coil in an axial direction.