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公开(公告)号：US12015321B2
公开(公告)日：2024-06-18
申请号：US17611169
申请日：2020-06-10
Applicant: BMC CO., LTD. , HL Mando Corporation
Inventor： Ok Yun Kim , Kea Ho Lee , Haeng Chul Sin , Gwan Seon Jeong
CPC classification number: H02K5/08 , H02K1/278 , H02K3/522 , H02K5/225 , H02K21/16 , B60T13/745 , 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 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, wherein the housing cover assembly 12 comprises a housing cover 121, and the housing cover 121 is formed by insert injection molding while placing a press ring 122, a bus bar 123 and a sleeve 124 in a mold.
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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
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.
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公开(公告)号：US11271462B2
公开(公告)日：2022-03-08
申请号：US16321470
申请日：2017-05-17
Applicant: BMC CO., LTD.
Inventor： In Gyu Jung
Abstract: An apparatus for manufacturing a heat sealing-type rotational laminated core enabling the automatic separation of a laminated core, wherein the apparatus for manufacturing a laminated core includes: a squeeze ring installed on the lower portion of a blanking die for the blanking process; a heating means installed on the outer portion of the squeeze ring; a rotating die having the squeeze ring and the heating means installed therein to rotate by a predetermined pitch with the squeeze ring and the heating means; a vertically-moving die installed on one side of the blanking die and having a plurality of protruding portions and recessed portions formed; and a fixed die installed in the upper mold on the upper side of the vertically-moving die and having a plurality of recessed portions and protruding portions formed.
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Patent Agency Ranking
公开(公告)号：US12142994B2
公开(公告)日：2024-11-12
申请号：US17886511
申请日：2022-08-12
Applicant: BMC CO., LTD. , HL Mando Corporation
Inventor： Ok Yun Kim , Kea Ho Lee , Haeng Chul Sin , Gwan Seon Jeong
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.
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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
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.
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16.发明授权公开(公告)号：US11271458B2
公开(公告)日：2022-03-08
申请号：US16321469
申请日：2017-05-17
Applicant: BMC CO., LTD.
Inventor： In Gyu Jung
IPC: H02K15/02
Abstract: A laminated core manufacturing apparatus includes an upper mold and a lower mold and enabling the manufacturing of a laminated core by stacking individual laminar members which are formed by having a strip which is sequentially transferred on an upper portion of the lower mold undergo a piercing process and a blanking process by means of punches provided to the upper mold, wherein the laminated core manufacturing apparatus further comprises: a squeeze ring installed on a lower portion of a blanking die for the blanking process; an elevating block installed on the lower portion of the squeeze ring; an elevating means for vertically moving the elevating block; and a heating block installed on an upper portion of the elevating block and positioned at an inner diameter surface of the laminated core.
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公开(公告)号：US11239028B2
公开(公告)日：2022-02-01
申请号：US16321468
申请日：2017-05-17
Applicant: BMC CO., LTD.
Inventor： In Gyu Jung
IPC: H01F3/04 , H01F7/06 , H01F41/02 , H01F3/02 , B01J6/00 , B01J21/06 , B01J23/44 , B01J35/00 , B01J37/02 , F01N3/28
Abstract: An apparatus for manufacturing a heat sealing-type rotational laminated core, includes an upper mold and a lower mold, and forming and stacking individual laminar members, the individual laminar members being formed by having a strip which is sequentially transferred on the upper portion of the lower mold undergone a piercing process and a blanking process by punches mounted on the upper mold.
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公开(公告)号：US20210287852A1
公开(公告)日：2021-09-16
申请号：US16321468
申请日：2017-05-17
Applicant: BMC CO., LTD.
Inventor： In Gyu JUNG
Abstract: An apparatus for manufacturing a heat sealing-type rotational laminated core, includes an upper mold and a lower mold, and forming and stacking individual laminar members, the individual laminar members being formed by having a strip which is sequentially transferred on the upper portion of the lower mold undergone a piercing process and a blanking process by punches mounted on the upper mold.
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