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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2018/105889
Kind Code:
A direct current motor for a vehicle, according to the present invention, comprises: a cover assembly (10); a yoke assembly (30) having a lower housing (40) coupled with the cover assembly (10), and a plurality of excitation poles (31) arranged inside the cover assembly (10); an armature assembly (20) comprising an armature core (22) and upper and lower insulators (23, 24), the armature core (22) having a plurality of teeth (22A) around which coils (21) interacting with the excitation poles (31) are wound, and the upper and lower insulators (23, 24) coupling to the upper and lower portions, respectively, of the armature core (22); a commutator (50) installed on the lower side of the armature core (22) and having commutator segments (51) of which the number corresponds to the number of the excitation poles (31); a brush holder (60) arranged on the inner side of the lower housing (40) and comprising a brush (61) selectively making contact with the commutator (50) according to the rotation of the armature assembly (20); a rotational shaft (70) having the armature core (22) and the commutator (50) coupled thereto so as to rotate therewith; an up/down/left/right vibration and noise dampening buffer means (80) installed on the upper and lower portions, respectively, of the rotational shaft (70); a brush holder left/right vibration and noise dampening buffer means (90) installed on the brush holder (60) so as to be insertedly installed in a yoke cylindrical body (32) constituting the yoke assembly (30); a grounding means (110) comprising a power supply connector (100) coupled to a connector receiving part (63) formed on a support (62) of the brush holder (60); and an insulating means (120) installed so as to make surface-contact with the upper side of the commutator (50) installed in the center of the support (62) of the brush holder (60).

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CHAE, Jin Won (502-804 248-10, Hanam-daeroGwangsan-gu, Gwangju, 62320, KR)
CHOI, Chul Won (16, Seobang-ro 160 beon-gilBuk-gu, Gwangju, 61201, KR)
Application Number:
Publication Date:
June 14, 2018
Filing Date:
October 30, 2017
Export Citation:
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TAMAS CO.,LTD. (153, Sonjaero 287 beon-gilGwangsan-gu, Gwangju, 62209, KR)
International Classes:
H02K5/24; B60H1/00; F16F15/02; H02K3/34; H02K5/14; H02K23/00
Foreign References:
Attorney, Agent or Firm:
LEE, Sung Rok (Woogin Intellectual Property Law Firm, #201 61 Nonhyunro 79-gil,Gangnam-gu, Seoul, 06245, KR)
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