KR100951871B1 - 스핀들 모터 - Google Patents
스핀들 모터 Download PDFInfo
- Publication number
- KR100951871B1 KR100951871B1 KR1020070094716A KR20070094716A KR100951871B1 KR 100951871 B1 KR100951871 B1 KR 100951871B1 KR 1020070094716 A KR1020070094716 A KR 1020070094716A KR 20070094716 A KR20070094716 A KR 20070094716A KR 100951871 B1 KR100951871 B1 KR 100951871B1
- Authority
- KR
- South Korea
- Prior art keywords
- bearing
- rotating shaft
- spindle motor
- suction magnet
- disk
- Prior art date
Links
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
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- 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
- H02K7/08—Structural association with bearings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (4)
- 베어링하우징;상기 베어링하우징의 내부에 고정된 베어링;상기 베어링에 삽입 지지되어 회전가능하게 설치된 회전축;상기 베어링하우징의 주변으로 배치된 고정자;상기 회전축에 고정되며 상기 고정자와의 작용에 의하여 회전하는 회전자;상기 베어링에 마련되어 상기 회전축이 상기 베어링의 내주면을 따라 공전하는 것을 억제하는 수단을 포함하는 스핀들 모터.
- 제 1 항에 있어서,상기 수단은 상기 베어링에 고정되어 상기 회전축을 상기 베어링의 일측으로 흡인하는 제 1 흡인마그네트인 스핀들 모터.
- 제 2 항에 있어서,상기 제 1 흡인마그네트는 상기 베어링의 내부 일측에 일체로 형성된 스핀들 모터.
- 제 1 항 또는 제 2 항에 있어서,상기 고정자에는 상기 회전자를 흡인하는 제 2 흡인마그네트가 설치되고, 상 기 제 2 흡인마그네트의 일측의 자기력은 타측 보다 크게 형성되며,상기 제 1 흡인마그네트는 자기력이 큰 상기 제 2 흡인마그네트의 일측 직하방에 배치된 스핀들 모터.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070094716A KR100951871B1 (ko) | 2007-09-18 | 2007-09-18 | 스핀들 모터 |
US12/233,146 US8087039B2 (en) | 2007-09-18 | 2008-09-18 | Spindle motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070094716A KR100951871B1 (ko) | 2007-09-18 | 2007-09-18 | 스핀들 모터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090029458A KR20090029458A (ko) | 2009-03-23 |
KR100951871B1 true KR100951871B1 (ko) | 2010-04-12 |
Family
ID=40455963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070094716A KR100951871B1 (ko) | 2007-09-18 | 2007-09-18 | 스핀들 모터 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8087039B2 (ko) |
KR (1) | KR100951871B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013122543A1 (en) * | 2012-02-13 | 2013-08-22 | Agency For Science, Technology And Research | Motor and method for assembling the same |
WO2013122542A1 (en) * | 2012-02-13 | 2013-08-22 | Agency For Science, Technology And Research | A motor and a method of assembling the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08147868A (ja) * | 1994-09-21 | 1996-06-07 | Matsushita Electric Ind Co Ltd | ディスク駆動用スピンドルモータ |
JPH1155900A (ja) | 1997-07-30 | 1999-02-26 | Matsushita Electric Ind Co Ltd | スピンドルモータ |
KR20070027894A (ko) * | 2005-08-30 | 2007-03-12 | 엘지이노텍 주식회사 | 스핀들 모터 |
KR20070043168A (ko) * | 2005-10-20 | 2007-04-25 | 엘지이노텍 주식회사 | 스핀들 모터 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5357163A (en) * | 1992-05-08 | 1994-10-18 | Matsushita Electric Industrial Co., Ltd. | Motor with dynamic-pressure type bearing device |
KR100999791B1 (ko) * | 2007-09-17 | 2010-12-08 | 엘지이노텍 주식회사 | 스핀들 모터 |
-
2007
- 2007-09-18 KR KR1020070094716A patent/KR100951871B1/ko not_active IP Right Cessation
-
2008
- 2008-09-18 US US12/233,146 patent/US8087039B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08147868A (ja) * | 1994-09-21 | 1996-06-07 | Matsushita Electric Ind Co Ltd | ディスク駆動用スピンドルモータ |
JPH1155900A (ja) | 1997-07-30 | 1999-02-26 | Matsushita Electric Ind Co Ltd | スピンドルモータ |
KR20070027894A (ko) * | 2005-08-30 | 2007-03-12 | 엘지이노텍 주식회사 | 스핀들 모터 |
KR20070043168A (ko) * | 2005-10-20 | 2007-04-25 | 엘지이노텍 주식회사 | 스핀들 모터 |
Also Published As
Publication number | Publication date |
---|---|
US8087039B2 (en) | 2011-12-27 |
US20090077575A1 (en) | 2009-03-19 |
KR20090029458A (ko) | 2009-03-23 |
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