US 12,273,004 B2
Motor and driver including motor
Yuan Jiang, Guangdong (CN); Huoming Li, Guangdong (CN); Xianghuai Qiu, Guangdong (CN); and Weiyan Xu, Guangdong (CN)
Assigned to GUANGDONG ZHAOQING L&V CO. LTD., Guangdong (CN)
Appl. No. 17/758,794
Filed by GUANGDONG ZHAOQING L&V CO. LTD., Guangdong (CN)
PCT Filed Jan. 12, 2021, PCT No. PCT/CN2021/071296
§ 371(c)(1), (2) Date Jul. 13, 2022,
PCT Pub. No. WO2021/143679, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 202010034646.7 (CN), filed on Jan. 14, 2020.
Prior Publication US 2023/0041367 A1, Feb. 9, 2023
Int. Cl. H02K 5/15 (2006.01); H02K 7/08 (2006.01); H02K 7/116 (2006.01)
CPC H02K 5/15 (2013.01) [H02K 7/083 (2013.01); H02K 7/116 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A motor comprising:
a motor housing having a cavity formed therein, wherein each end of the motor housing has an opening;
a rotor assembly positioned in the cavity;
an end cover arranged at one end of the motor housing and configured to seal the opening at the one end;
a flange portion configured to seal the opening at the other end of the motor housing;
wherein the rotor assembly includes a rotor shaft, one end of which passes through the end cover and is supported by a first bearing, the other end of which passes through the flange portion and is supported by a second bearing;
wherein a magnetic ring is positioned on the rotor shaft and located at a side of the end cover away from the motor housing;
wherein output teeth are positioned on the rotor shaft and located at a side of the flange portion away from the motor housing; and
wherein a hole near an opening edge of the motor housing presents a metal rib on the motor housing, and the flange portion includes an elongated groove.