US 12,313,049 B2
Motor and position sensing arrangement
Yong Jin Kim, Seoul (KR); and Ki Woong Kim, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 17/788,041
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Jan. 5, 2021, PCT No. PCT/KR2021/000089
§ 371(c)(1), (2) Date Jun. 22, 2022,
PCT Pub. No. WO2021/141362, PCT Pub. Date Jul. 15, 2021.
Claims priority of application No. 10-2020-0003271 (KR), filed on Jan. 9, 2020; and application No. 10-2020-0006798 (KR), filed on Jan. 17, 2020.
Prior Publication US 2023/0028181 A1, Jan. 26, 2023
Int. Cl. F04B 17/03 (2006.01); H02K 5/10 (2006.01); H02K 7/00 (2006.01); H02K 11/215 (2016.01)
CPC F04B 17/03 (2013.01) [H02K 5/10 (2013.01); H02K 7/003 (2013.01); H02K 11/215 (2016.01)] 17 Claims
OG exemplary drawing
 
1. A motor comprising:
a housing including a partition wall partitioning a first space and a second space;
a stator disposed inside the first space;
a rotor disposed inside the stator;
a shaft rotating together with the rotor and having a sensor magnet disposed at one end thereof; and
a printed circuit board disposed in the second space and having a position detection sensor disposed on one surface to face the sensor magnet; and
a sealing member in which a lower surface of the sealing member is in contact with the partition wall, and an accommodating groove is formed so that the position detection sensor is disposed on an upper surface of the sealing member,
wherein a shaft hole is arranged to penetrate the partition wall,
wherein at least a portion of the shaft is disposed in the shaft hole, and
wherein the partition wall includes a first guide being protruded upward from an upper surface and a second guide being protruded upward from an upper surface of the first guide.