JP4597947B2 - スピンドルモーター - Google Patents
スピンドルモーター Download PDFInfo
- Publication number
- JP4597947B2 JP4597947B2 JP2006331623A JP2006331623A JP4597947B2 JP 4597947 B2 JP4597947 B2 JP 4597947B2 JP 2006331623 A JP2006331623 A JP 2006331623A JP 2006331623 A JP2006331623 A JP 2006331623A JP 4597947 B2 JP4597947 B2 JP 4597947B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- spindle motor
- stator
- holder
- rotor cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000003305 oil spill Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
101 固定部
111 回転軸
121 回転子カバー
131 磁石
141 吸引磁石
105 固定部
115 ベアリング
125 ホルダー
135 固定子
145 ベース
Claims (2)
- 回転軸;
前記回転軸と結合する押込孔が形成された、前記回転軸を回転させるための回転子カバー;
外周において径が大きい上段部と小さい下段部を有し、前記回転軸を内周面で回転可能に支持するベアリング;
内周面が前記ベアリングの前記下段部及び前記上段部の下部を覆うように設置され、前記下部と接触して前記ベアリングを支持するホルダー;
下部が前記ホルダーの外周面に結合されて支持され、上部が前記ホルダーの外周面上端より突出しかつ前記ベアリングとの間に隙間が生じるように設置される、電解を形成するための固定子;及び
前記ベアリング内のオイルの外部流出を防止するように、前記ベアリングの上側であって、前記押込孔の外周部下端より突出して前記押込孔の外周部で前記回転子カバーに直接設置される吸引磁石;
を含み、
前記吸引磁石は、断面形状が矩形状であり、前記回転軸と隣接して前記回転子カバーに設置されるスピンドルモーター。 - 前記吸引磁石は、内径が、前記ベアリングの内径よりも大きく、かつ前記ベアリングの外径よりも小さく、外径が、前記固定子の内径よりも大きく、かつ前記固定子の外径よりも小さく、前記固定子の上方に設置される請求項1に記載のスピンドルモーター。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050121753A KR100733225B1 (ko) | 2005-12-12 | 2005-12-12 | 스핀들모터 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010057773A Division JP4955784B2 (ja) | 2005-12-12 | 2010-03-15 | スピンドルモーター |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007166890A JP2007166890A (ja) | 2007-06-28 |
JP4597947B2 true JP4597947B2 (ja) | 2010-12-15 |
Family
ID=38138596
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006331623A Expired - Fee Related JP4597947B2 (ja) | 2005-12-12 | 2006-12-08 | スピンドルモーター |
JP2010057773A Expired - Fee Related JP4955784B2 (ja) | 2005-12-12 | 2010-03-15 | スピンドルモーター |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010057773A Expired - Fee Related JP4955784B2 (ja) | 2005-12-12 | 2010-03-15 | スピンドルモーター |
Country Status (4)
Country | Link |
---|---|
US (1) | US7880353B2 (ja) |
JP (2) | JP4597947B2 (ja) |
KR (1) | KR100733225B1 (ja) |
CN (1) | CN1983769B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8084907B2 (en) | 2005-12-12 | 2011-12-27 | Samsung Electro-Mechanics Co., Ltd. | Spindle motor having holding magnet preventing oil discharge |
KR100733225B1 (ko) * | 2005-12-12 | 2007-06-27 | 삼성전기주식회사 | 스핀들모터 |
US20090230799A1 (en) * | 2008-03-13 | 2009-09-17 | Sunonwealth Electric Machine Industry Co., Ltd. | Fixing strcture of motor spindle |
KR100999482B1 (ko) * | 2008-08-19 | 2010-12-09 | 엘지이노텍 주식회사 | 스핀들 모터 |
KR101083508B1 (ko) * | 2009-10-12 | 2011-11-17 | 엘지이노텍 주식회사 | 스핀들 모터 |
KR101082694B1 (ko) * | 2009-12-31 | 2011-11-15 | 엘지이노텍 주식회사 | 스핀들 모터 및 이의 제조 방법 |
KR101101644B1 (ko) * | 2010-06-28 | 2012-01-02 | 삼성전기주식회사 | 모터 및 기록 디스크 구동장치 |
JP5866930B2 (ja) * | 2011-09-29 | 2016-02-24 | 株式会社ニデック | 眼屈折力測定装置 |
KR101328203B1 (ko) * | 2011-11-02 | 2013-11-14 | 삼성전기주식회사 | 모터용 베이스 어셈블리 및 이를 포함하는 팬 모터 |
CN102494605A (zh) * | 2011-11-28 | 2012-06-13 | 常州市万翔车辆部件有限公司 | 无接触式汽车电子油门角度传感器 |
KR20130064389A (ko) * | 2011-12-08 | 2013-06-18 | 삼성전기주식회사 | 스핀들 모터 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0360355A (ja) * | 1989-07-25 | 1991-03-15 | Toshiba Corp | モータ |
JPH08149772A (ja) * | 1994-11-24 | 1996-06-07 | Sony Corp | モータ |
JPH08331797A (ja) * | 1995-03-25 | 1996-12-13 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置を用いたモータ |
JP2002142404A (ja) * | 2001-08-20 | 2002-05-17 | Hitachi Ltd | 磁気ディスク装置 |
JP2003299302A (ja) * | 2002-03-29 | 2003-10-17 | Tokyo Parts Ind Co Ltd | ロータ部の軸方向振動防止機構を備えたスピンドルモータ |
US20050179327A1 (en) * | 2004-02-13 | 2005-08-18 | Sunonwealth Electric Machine Industry Co., Ltd. | Prestressing structure for rotationally balancing a motor |
JP2005304284A (ja) * | 2004-03-17 | 2005-10-27 | Nippon Densan Corp | ディスク駆動用モータ及びこれを備えたディスク駆動装置 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU71477A1 (ja) * | 1974-12-13 | 1975-06-17 | ||
US3999090A (en) * | 1975-09-30 | 1976-12-21 | Crs | Stepper motor |
DE3404466A1 (de) * | 1984-02-08 | 1985-08-08 | Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen | Aussenlaeufermotor |
FR2600838A1 (fr) * | 1986-06-27 | 1987-12-31 | Etri Sa | Moteur electrique a palier perfectionne |
JPH0686503A (ja) * | 1992-09-03 | 1994-03-25 | Hitachi Ltd | モータ、ポリゴンミラーモータ、ディスク駆動モータ |
US5541460A (en) * | 1994-02-25 | 1996-07-30 | Seagate Technology, Inc. | Passive magnetic bearings for a spindle motor |
US5561335A (en) * | 1994-02-25 | 1996-10-01 | Seagate Technology, Inc. | Integrated passive magnetic bearing system and spindle permanent magnet for use in a spindle motor |
JP3737196B2 (ja) | 1996-06-17 | 2006-01-18 | 積水ハウス株式会社 | 住宅の水平ブレース配置方法 |
TW457758B (en) * | 1999-08-02 | 2001-10-01 | Delta Electronics Inc | Magnetic bearing motor |
US7105967B2 (en) * | 2000-11-10 | 2006-09-12 | Delta Electronics Inc. | Heat dissipating device with a combination bearing assembly having magnetic bearing rings and a sleeve bearing |
KR100396396B1 (ko) * | 2000-11-21 | 2003-09-02 | 엘지이노텍 주식회사 | 광 디스크 구동용 스핀들 모터 |
KR200239472Y1 (ko) | 2000-12-02 | 2001-09-25 | 박동성 | 다기능기화냉방용 패드 쿨링 시스템 |
JP2003079095A (ja) * | 2001-08-31 | 2003-03-14 | Tokyo Parts Ind Co Ltd | 軸方向振動防止機構と同機構を備えたブラシレスモータ |
US6982510B1 (en) * | 2001-12-20 | 2006-01-03 | Seagate Technology Llc | Low profile fluid dynamic bearing |
JP2003299332A (ja) * | 2002-04-05 | 2003-10-17 | Matsushita Electric Ind Co Ltd | 小型ブラシレスモータ |
JP2004104915A (ja) * | 2002-09-10 | 2004-04-02 | Tokyo Parts Ind Co Ltd | アウターロータ型ブラシレスモータ |
JP2004357413A (ja) * | 2003-05-29 | 2004-12-16 | Tokyo Parts Ind Co Ltd | ブラシレスモータ |
US6911749B1 (en) * | 2004-06-17 | 2005-06-28 | Lite-On It Corp. | Spindle motor structure |
TWI285992B (en) * | 2005-06-30 | 2007-08-21 | Delta Electronics Inc | Magnetic-positioning motor and fan |
KR100733225B1 (ko) * | 2005-12-12 | 2007-06-27 | 삼성전기주식회사 | 스핀들모터 |
-
2005
- 2005-12-12 KR KR1020050121753A patent/KR100733225B1/ko not_active IP Right Cessation
-
2006
- 2006-12-08 JP JP2006331623A patent/JP4597947B2/ja not_active Expired - Fee Related
- 2006-12-11 CN CN2006101609934A patent/CN1983769B/zh not_active Expired - Fee Related
- 2006-12-12 US US11/637,171 patent/US7880353B2/en not_active Expired - Fee Related
-
2010
- 2010-03-15 JP JP2010057773A patent/JP4955784B2/ja not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0360355A (ja) * | 1989-07-25 | 1991-03-15 | Toshiba Corp | モータ |
JPH08149772A (ja) * | 1994-11-24 | 1996-06-07 | Sony Corp | モータ |
JPH08331797A (ja) * | 1995-03-25 | 1996-12-13 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置を用いたモータ |
JP2002142404A (ja) * | 2001-08-20 | 2002-05-17 | Hitachi Ltd | 磁気ディスク装置 |
JP2003299302A (ja) * | 2002-03-29 | 2003-10-17 | Tokyo Parts Ind Co Ltd | ロータ部の軸方向振動防止機構を備えたスピンドルモータ |
US20050179327A1 (en) * | 2004-02-13 | 2005-08-18 | Sunonwealth Electric Machine Industry Co., Ltd. | Prestressing structure for rotationally balancing a motor |
JP2005304284A (ja) * | 2004-03-17 | 2005-10-27 | Nippon Densan Corp | ディスク駆動用モータ及びこれを備えたディスク駆動装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2010172193A (ja) | 2010-08-05 |
US7880353B2 (en) | 2011-02-01 |
KR20070062063A (ko) | 2007-06-15 |
US20070132326A1 (en) | 2007-06-14 |
JP4955784B2 (ja) | 2012-06-20 |
KR100733225B1 (ko) | 2007-06-27 |
JP2007166890A (ja) | 2007-06-28 |
CN1983769B (zh) | 2012-05-30 |
CN1983769A (zh) | 2007-06-20 |
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