公开(公告)号：US20220393547A1

公开(公告)日：2022-12-08

申请号：US17886511

申请日：2022-08-12

Applicant: BMC CO., LTD.

Inventor： Ok Yun KIM ,  Kea Ho LEE ,  Haeng Chul SIN ,  Gwan Seon JEONG

IPC: H02K7/102 ,  H02K7/00 ,  H02K5/04 ,  H02K1/274 ,  H02K3/28

Abstract: A hollow shaft motor includes: a motor housing 11 having a cylindrical shape; a housing cover assembly 12 coupled to an upper portion of the motor housing 11; a rear cover 15 coupled to a lower portion of the motor housing 11; a stator assembly 20 located in the motor housing 11 and in a lower portion of the housing cover assembly 12; and a rotor assembly 30 located in the stator assembly 20 to rotate.

公开(公告)号：US20240171035A1

公开(公告)日：2024-05-23

申请号：US18426401

申请日：2024-01-30

Applicant: BMC CO., LTD. ,  HL Mando Corporation

Inventor： Ok Yun KIM ,  Gwan Seon JEONG

IPC: H02K5/22 ,  H02K5/15

CPC classification number: H02K5/225 ,  H02K5/15 ,  H02K2203/09

Abstract: The hollow shaft motor according to the present invention comprises a motor housing 11 having a cylindrical shape; a housing cover assembly 12 coupled to an upper portion of the motor housing 11; a stator assembly 20 located in the motor housing 11 and in a lower portion of the housing cover assembly 12; a rotor assembly 30 located in the stator assembly 20 to rotate; a screw shaft 10 coupled to the rotor assembly 30 to rotate together; and a ball nut 17 coupled to the screw shaft 10 to move vertically, wherein the housing cover assembly 12 comprises a housing cover 121 having a sleeve 124 extended downwardly so as for the screw shaft 10 to be located inside, and an inner upward bending part 124B bent inwardly and heading upwardly is formed at the bottom end of the sleeve 124.