CN1272895C - 硬盘驱动器用主轴电动机 - Google Patents
硬盘驱动器用主轴电动机 Download PDFInfo
- Publication number
- CN1272895C CN1272895C CNB021273030A CN02127303A CN1272895C CN 1272895 C CN1272895 C CN 1272895C CN B021273030 A CNB021273030 A CN B021273030A CN 02127303 A CN02127303 A CN 02127303A CN 1272895 C CN1272895 C CN 1272895C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- ball bearing
- motor
- motor pedestal
- conductive elastic
- 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
Images
Classifications
-
- 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
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/002—Conductive elements, e.g. to prevent static electricity
-
- 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
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2370/00—Apparatus relating to physics, e.g. instruments
- F16C2370/12—Hard disk drives or the like
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Rotational Drive Of Disk (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP243499/2001 | 2001-08-10 | ||
JP2001243499A JP2003061300A (ja) | 2001-08-10 | 2001-08-10 | ハードディスクドライブ用スピンドルモータ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1402415A CN1402415A (zh) | 2003-03-12 |
CN1272895C true CN1272895C (zh) | 2006-08-30 |
Family
ID=19073585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021273030A Expired - Fee Related CN1272895C (zh) | 2001-08-10 | 2002-07-31 | 硬盘驱动器用主轴电动机 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6844642B2 (zh) |
JP (1) | JP2003061300A (zh) |
CN (1) | CN1272895C (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003061300A (ja) * | 2001-08-10 | 2003-02-28 | Victor Co Of Japan Ltd | ハードディスクドライブ用スピンドルモータ |
DE20218821U1 (de) * | 2002-12-04 | 2003-03-20 | Minebea Co Ltd | Spindelmotor mit elektrisch leitender Verbindung zwischen Lagersystem und Basisplatte bzw. Flansch |
US7193836B2 (en) | 2003-03-17 | 2007-03-20 | Illinois Tool Works Inc | Grounding brush for mitigating electrical current on motor shafts |
US8199453B2 (en) * | 2003-03-17 | 2012-06-12 | Illinois Tool Works Inc. | Shaft current control brush ring assembly |
US7136271B2 (en) | 2003-03-17 | 2006-11-14 | Illinois Tool Works Inc | Static charge neutralizing assembly for use on rollers and shafts |
KR101055516B1 (ko) * | 2003-04-02 | 2011-08-08 | 가부시기가이샤 후지고오키 | 전동 밸브 |
JP4468033B2 (ja) * | 2004-03-22 | 2010-05-26 | アスモ株式会社 | 車両用エンジンのバルブタイミング可変装置用電動機 |
JP4639833B2 (ja) * | 2004-06-23 | 2011-02-23 | 日本電産株式会社 | スピンドルモータ及びこのスピンドルモータを備えた記録ディスク駆動装置 |
DE102004041074A1 (de) * | 2004-08-25 | 2006-03-02 | Robert Bosch Gmbh | Elektrische Maschine mit einem axialen Federelement |
MY138646A (en) * | 2005-02-23 | 2009-07-31 | Panasonic Corp | Motor and electric apparatus equipped with a conductive pin for suppressing electrolytic corrosion |
JP2006280046A (ja) * | 2005-03-28 | 2006-10-12 | Nippon Densan Corp | スピンドルモータ及びこのスピンドルモータを備えた記録ディスク駆動装置 |
JP4778039B2 (ja) * | 2005-04-20 | 2011-09-21 | イリノイ トゥール ワークス インコーポレイティド | 軸電流コントロールブラシリング組立体 |
US20070278093A1 (en) * | 2006-06-02 | 2007-12-06 | Barnard Michael P | Electrical conductive contact ring for electroplating or electrodeposition |
US8174788B2 (en) * | 2008-01-28 | 2012-05-08 | Hitachi Global Storage Technologies, Netherlands B.V. | Motor mount for interference suppression in a hard disk drive |
US8421286B2 (en) * | 2008-07-03 | 2013-04-16 | Nidec Motor Corporation | Kit and method for attaching a grounding ring to an electrical motor |
US8488293B2 (en) * | 2009-12-21 | 2013-07-16 | Caterpillar Inc. | Electrical bearing ground device |
JP5409894B2 (ja) * | 2010-03-17 | 2014-02-05 | 株式会社日立産機システム | インバータ駆動回転電機,そのシステム,その軸受及びそのエンドブラケット |
KR101199539B1 (ko) * | 2011-03-14 | 2012-11-12 | 주식회사 삼홍사 | 스핀들 모터 |
WO2013141622A1 (ko) * | 2012-03-23 | 2013-09-26 | 주식회사 휴모테크 | 스핀들 모터 |
DE102013219186B4 (de) | 2013-09-24 | 2022-11-24 | Vitesco Technologies GmbH | Elektrische Maschine und Verbindungseinheit für elektrische Maschine. |
US9917491B2 (en) | 2014-03-07 | 2018-03-13 | Nidec Motor Corporation | Ground ring and enclosure in an electric motor |
WO2016132663A1 (ja) * | 2015-02-16 | 2016-08-25 | 株式会社アルバック | 接触式給電装置 |
DE102017222289A1 (de) * | 2017-12-08 | 2019-06-13 | Robert Bosch Gmbh | Elektromotor |
DE102017222281A1 (de) * | 2017-12-08 | 2019-06-13 | Robert Bosch Gmbh | Elektromotor |
JP7347025B2 (ja) * | 2019-08-30 | 2023-09-20 | コニカミノルタ株式会社 | 現像ローラ、現像装置、および画像形成装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5894126A (ja) * | 1981-11-30 | 1983-06-04 | Victor Co Of Japan Ltd | 回転磁気ヘツド装置 |
JPH0898450A (ja) * | 1994-09-28 | 1996-04-12 | Victor Co Of Japan Ltd | スピンドルモータ |
JP2003061300A (ja) * | 2001-08-10 | 2003-02-28 | Victor Co Of Japan Ltd | ハードディスクドライブ用スピンドルモータ |
-
2001
- 2001-08-10 JP JP2001243499A patent/JP2003061300A/ja active Pending
-
2002
- 2002-07-31 CN CNB021273030A patent/CN1272895C/zh not_active Expired - Fee Related
- 2002-08-08 US US10/214,163 patent/US6844642B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2003061300A (ja) | 2003-02-28 |
US6844642B2 (en) | 2005-01-18 |
US20030030340A1 (en) | 2003-02-13 |
CN1402415A (zh) | 2003-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ALPHANO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: VICTOR COMPANY OF JAPAN Effective date: 20080627 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080627 Address after: Shizuoka Patentee after: Alphana Technology Co., Ltd. Address before: Kanagawa Patentee before: Victory Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060830 Termination date: 20100731 |