公开(公告)号：KR101320212B1

公开(公告)日：2013-10-21

申请号：KR1020120090321

申请日：2012-08-17

Applicant: 삼성전기주식회사

Inventor： 문형기 ,  이홍주

IPC: G11B19/20

CPC classification number: G11B19/2009 ,  H02K1/187 ,  H02K7/085 ,  H02K7/086 ,  H02K21/22 ,  H02K2213/03

Abstract: PURPOSE: A spindle motor and a disk drive device are provided to secure a sufficient counter electromotive force and to implement emergency parking. CONSTITUTION: A spindle motor comprises a base (40), a stator core (70), and a coil (80). The base is formed to have a stator core mounting unit which is protruded upwardly. The stator core comprises a core back unit, a teeth unit, and a fore-end unit. The coil reels the stator core.

Abstract translation: 目的：提供主轴电机和磁盘驱动装置，以确保足够的反电动势并实施紧急停车。 构成：主轴电动机包括基座（40），定子铁芯（70）和线圈（80）。 基座形成为具有向上突出的定子芯安装单元。 定子芯包括芯背单元，齿单元和前端单元。 线圈卷绕定子芯。

公开(公告)号：KR1020130055282A

公开(公告)日：2013-05-28

申请号：KR1020110120945

申请日：2011-11-18

Applicant: 삼성전기주식회사

Inventor： 문형기

IPC: G11B19/20

CPC classification number: G11B19/2009 ,  G11B2220/215

Abstract: PURPOSE: A spindle motor is provided to inject oil from the outside again without decomposition of the spindle motor, thereby improving a lifespan and performance of the spindle motor. CONSTITUTION: A sleeve(130) maintains a bearing clearance with a shaft and is installed to be rotated with oil. A hub is combined in outer periphery of the sleeve. Upper and lower thrust units(150,160) are fixed to the shaft. One or more oil injection units(118) of the shaft are penetrated from a fastening unit(114) of the shaft to the outside of the shaft. The oil is injected between the shaft and the sleeve by one or more oil injection units.

Abstract translation: 目的：提供主轴电机，从外部再次注入油，而不会分解主轴电机，从而提高主轴电机的使用寿命和性能。 构成：套筒（130）与轴保持轴承间隙，并安装为用油旋转。 轮毂在套筒的外周组合。 上部和下部推力单元（150,160）固定在轴上。 轴的一个或多个注油单元（118）从轴的紧固单元（114）穿透到轴的外部。 油通过一个或多个注油单元注入轴和套管之间。

公开(公告)号：KR1020140049359A

公开(公告)日：2014-04-25

申请号：KR1020120115515

申请日：2012-10-17

Applicant: 삼성전기주식회사

Inventor： 이홍주 ,  김학관 ,  문형기 ,  신현호

IPC: H02K3/34 ,  G11B19/20

CPC classification number: G11B19/2009 ,  G11B2220/2516 ,  H02K3/46

Abstract: Disclosed is a stator core assembly comprising a stator core including a core back with an installation hole, a plurality of teeth portions extended from the core back in a radial direction, and an extension portion extended from each teeth portion in a circumferential direction; and a coil wound around the teeth portions, wherein the core back has an insertion groove to which a parallel overhead portion of the coil is inserted.

Abstract translation: 公开了一种定子芯组件，其包括定子芯，该定子芯包括具有安装孔的芯背，从芯背沿径向方向延伸的多个齿部分和沿圆周方向从每个齿部分延伸的延伸部分; 以及卷绕在所述齿部上的线圈，其中，所述芯背部具有插入所述线圈的平行的高架部分的插入槽。

公开(公告)号：KR1020130103885A

公开(公告)日：2013-09-25

申请号：KR1020120024882

申请日：2012-03-12

Applicant: 삼성전기주식회사

Inventor： 문형기

IPC: H02K5/16 ,  F16C17/00

CPC classification number: G11B19/2009 ,  H02K5/167 ,  H02K2205/03

Abstract: PURPOSE: A spindle motor is provided to reduce power consumption by filling a bottom bearing gap with a second lubricant which is more viscous than a first lubricant filled in a top bearing gap. CONSTITUTION: A bottom thrust member (130) is fixed to a base member (120). The base member includes a mounting groove (122) to form a preset space with a rotor hub (160). A shaft (140) is fixed to the bottom thrust member. A top thrust member (170) is fixed to the upper end of the shaft. A sleeve (150) is rotationally installed on the shaft.

Abstract translation: 目的：提供主轴电机以通过用与填充在顶部轴承间隙中的第一润滑剂更粘的第二润滑剂填充底部轴承间隙来降低功率消耗。 构成：底部推力构件（130）固定到基座构件（120）上。 基座构件包括用于与转子毂（160）形成预设空间的安装槽（122）。 轴（140）固定到底部推力构件。 顶部推力构件（170）固定到轴的上端。 套筒（150）旋转地安装在轴上。

公开(公告)号：KR1020140023854A

公开(公告)日：2014-02-27

申请号：KR1020130079693

申请日：2013-07-08

Applicant: 삼성전기주식회사

Inventor： 문형기 ,  이홍주

IPC: G11B19/20

CPC classification number: G11B19/2009 ,  G11B2220/215 ,  H02K3/46 ,  H02K5/04

Abstract: Provided is a spindle motor for a 2.5″ type disk driving device according to an embodiment of the present invention, and the spindle motor comprises: a base having a stator core seating part protruding upwardly in an axial direction; a stator core including a ring-shaped coreback part disposed on the stator core seating part, a teeth part extending from the coreback part in an outer diameter direction, and a front end part formed at an end portion of the teeth part; and a coil wound around the stator core, wherein when a length of the stator core from an inner end portion of the coreback part to the endmost part of the front end part is defined as L and a height of the wound coil from the lowermost edge of the coil in an axial direction to the uppermost edge thereof is defined as H, a ratio (H/L) of the height of the wound coil to the length of the stator core in which back electromotive force is 0.35 V/Krpm or more when the power supply is stopped satisfies 0.524

Abstract translation: 本发明提供一种用于2.5“型盘驱动装置的主轴电动机，主轴电动机包括：具有沿轴向向上突出的定子铁芯支座部的基座; 定子铁芯，其包括设置在所述定子铁心座部上的环状铁芯背部，从所述内芯部在外径方向延伸的齿部和形成在所述齿部的端部的前端部; 以及缠绕在所述定子铁芯上的线圈，其中当所述定子铁心从所述内芯部分的内端部分到所述前端部分的最末端部分的长度被定义为L并且所述绕线线圈的最下边缘的高度 线圈的轴向方向的最高边缘被定义为H，绕组线圈的高度与反电动势为0.35V / Krpm或更高的定子芯的长度的比率（H / L） 当电源停止时满足0.524 <= H / L <= 0.703。

公开(公告)号：KR1020150020395A

公开(公告)日：2015-02-26

申请号：KR1020130096006

申请日：2013-08-13

Applicant: 삼성전기주식회사 ,  한양대학교 산학협력단

Inventor： 문형기 ,  장건희 ,  성상진 ,  이홍주

IPC: H02K3/28

CPC classification number: H02K3/521

Abstract: 본 발명의 일실시예에 따른 스테이터 코어의 코일 권선구조는 마그네트와, 상기 마그네트에 대향된 복수의 투스 및 슬롯이 형성된 스테이터 코어와, 상기 스테이터의 슬롯을 통해 투스에 감긴 U상 코일, V상 코일 및 W상 코일을 포함하고,상기 U상 코일, V상 코일 및 W상 코일은 하나의 슬롯에 동일한 방향으로 감긴다.

Abstract translation: 根据本发明的一个实施例的用于防止线圈展开的定子铁芯的线圈绕组结构包括磁体，定子铁芯，其包括面对磁体的多个齿和槽，以及U相线圈， V相线圈和W相线圈，其通过定子的槽缠绕在齿周围。 U相线圈，V相线圈和W相线圈沿同一方向缠绕在一个槽上。

公开(公告)号：KR1020140062734A

公开(公告)日：2014-05-26

申请号：KR1020120129453

申请日：2012-11-15

Applicant: 삼성전기주식회사

Inventor： 문형기 ,  장진석 ,  이홍주

IPC: G11B19/20

CPC classification number: G11B19/2009 ,  G11B33/08 ,  G11B2220/2516 ,  H02K15/02

Abstract: Disclosed is a spindle motor which comprises a base member with a protrusion part, a stator core which is fixedly installed on the outer circumference of the protrusion part, and a coil which is wound around the stator core. The stator core comprises a core back with a circular ring shape, a plurality of teeth parts which are extended from the core back in a radial direction, and a coating layer which is stacked on at least one among the core back and the teeth parts and is made of elastic material.

Abstract translation: 公开了一种主轴电动机，其包括具有突出部的基部构件，固定地安装在突出部的外周上的定子芯和缠绕在定子芯上的线圈。 定子铁芯包括具有圆环状的铁芯背面，从芯部的径向延伸的多个齿部以及层叠在芯部和齿部中的至少一个上的涂层， 由弹性材料制成。

公开(公告)号：KR1020140082884A

公开(公告)日：2014-07-03

申请号：KR1020120152056

申请日：2012-12-24

Applicant: 삼성전기주식회사

Inventor： 이홍주 ,  문형기 ,  김주호 ,  김학관 ,  신현호

IPC: G11B19/20 ,  H02K5/173 ,  F16C17/10 ,  F16C33/10

CPC classification number: H02K1/2786 ,  G11B19/2009 ,  H02K5/1677 ,  H02K5/24 ,  H02K7/09

Abstract: Disclosed is a spindle motor. The spindle motor includes: a stator including a base member which has a rigidly installed stator core; and a rotor including a rotor hub where a driving magnet is installed to face the stator core. The driving magnet is installed on a magnet mounting unit included in the rotor hub to have the magnetic center in the axial direction to be arranged on a space above the magnetic center in the axial direction of the stator core to generate a downward force in the axial direction by interacting with the stator core. The stator core is made of a soft magnetic material and has a protrusion unit extending in the axial direction formed on an end unit facing the driving magnet.

Abstract translation: 公开了一种主轴电动机。 主轴电机包括：定子，其包括具有刚性安装的定子芯的基部构件; 以及包括转子轮毂的转子，其中驱动磁体安装成面向定子芯。 驱动磁铁安装在包括在转子轮毂中的磁体安装单元上，以使得轴向方向的磁中心沿着定子芯的轴向方向布置在磁性中心上方的空间上，以在轴向上产生向下的力 方向通过与定子芯相互作用。 定子铁芯由软磁性材料制成，并且具有沿轴向延伸的突出单元，该突出单元形成在面向驱动磁体的端部单元上。

公开(公告)号：KR1020130057747A

公开(公告)日：2013-06-03

申请号：KR1020110123645

申请日：2011-11-24

Applicant: 삼성전기주식회사

Inventor： 정신영 ,  유창조 ,  문형기

IPC: G11B19/20

CPC classification number: G11B19/2036

Abstract: PURPOSE: A spindle motor for a recording device is provided to facilitate a sealing and an injection of a working fluid by forming an injection hole of a lower part thrusting member before a base member is combined, injecting the working fluid, and sealing the injection hole by combining the base member or burying the injection hole. CONSTITUTION: An injection hole(120a) formed in a lower part thrusting member(120) and fills the oil which is a working fluid by an injection means(300) through the injection hole during an assembly process of a spindle motor.

Abstract translation: 目的：提供一种用于记录装置的主轴电机，用于通过在组合底座部件之前形成下部推动件的注入孔，注入工作流体并密封注入孔，以便于工作流体的密封和注入 通过组合基底构件或埋入注射孔。 构成：形成在下部推动构件（120）中的注入孔（120a），并且在主轴电动机的组装过程期间通过注射装置（300）填充作为工作流体的油。