SG133588A1 - Motor assembly with multifunctional components - Google Patents
Motor assembly with multifunctional componentsInfo
- Publication number
- SG133588A1 SG133588A1 SG200609165-6A SG2006091656A SG133588A1 SG 133588 A1 SG133588 A1 SG 133588A1 SG 2006091656 A SG2006091656 A SG 2006091656A SG 133588 A1 SG133588 A1 SG 133588A1
- Authority
- SG
- Singapore
- Prior art keywords
- assembly
- hub
- spindle
- bearing
- base
- Prior art date
Links
Classifications
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
- F16C33/741—Sealings of sliding-contact bearings by means of a fluid
- F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
- F16C33/745—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by capillary action
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
-
- 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
-
- 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
- G11B19/2018—Incorporating means for passive damping of vibration, either in the turntable, motor or mounting
-
- 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
- H02K7/086—Structural association with 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
- F16C2370/00—Apparatus relating to physics, e.g. instruments
- F16C2370/12—Hard disk drives or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sliding-Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
- Rotational Drive Of Disk (AREA)
- Sealing Of Bearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/317,561 US7679243B2 (en) | 2005-12-22 | 2005-12-22 | Motor assembly with multifunctional components |
Publications (1)
Publication Number | Publication Date |
---|---|
SG133588A1 true SG133588A1 (en) | 2007-07-30 |
Family
ID=38192798
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200906249-8A SG155940A1 (en) | 2005-12-22 | 2006-12-19 | Motor assembly with multifunctional components |
SG200609165-6A SG133588A1 (en) | 2005-12-22 | 2006-12-19 | Motor assembly with multifunctional components |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200906249-8A SG155940A1 (en) | 2005-12-22 | 2006-12-19 | Motor assembly with multifunctional components |
Country Status (5)
Country | Link |
---|---|
US (2) | US7679243B2 (ko) |
JP (1) | JP5160778B2 (ko) |
KR (1) | KR101213542B1 (ko) |
CN (1) | CN1992472B (ko) |
SG (2) | SG155940A1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030185472A1 (en) * | 2002-03-13 | 2003-10-02 | Aiello Anthony Joseph | Single thrust bearing fluid dynamic bearing motor |
JP4528677B2 (ja) * | 2005-06-24 | 2010-08-18 | 株式会社東芝 | パターンド媒体の製造方法及び製造装置 |
US7679243B2 (en) * | 2005-12-22 | 2010-03-16 | Seagate Technology Llc | Motor assembly with multifunctional components |
JP4571593B2 (ja) * | 2006-01-30 | 2010-10-27 | アルファナテクノロジー株式会社 | モータ |
US7821167B2 (en) * | 2006-08-09 | 2010-10-26 | Hitachi Global Storage Technologies Netherlands, B.V. | Method and apparatus for increasing the buffer volume in a fluid dynamic bearing |
US8454238B2 (en) * | 2006-08-23 | 2013-06-04 | Seagate Technology Llc | Spindle regions |
US8619388B2 (en) * | 2008-04-22 | 2013-12-31 | HGST Netherlands B.V. | Fluid dynamic bearing with an immiscible fluid barrier |
US20110019303A1 (en) * | 2008-05-26 | 2011-01-27 | Nidec Corporation | Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatus |
WO2010004828A1 (ja) * | 2008-07-08 | 2010-01-14 | Ntn株式会社 | 流体動圧軸受装置 |
DE102008062524A1 (de) * | 2008-12-16 | 2010-06-17 | Minebea Co., Ltd. | Fluiddynamisches Lagersystem |
US20110168465A1 (en) * | 2010-01-14 | 2011-07-14 | Gary Starr | Hub wheel motor |
US8497609B2 (en) | 2010-10-11 | 2013-07-30 | Alan Lyndon Grantz | Restraining motor shaft play |
US8858084B2 (en) * | 2011-01-17 | 2014-10-14 | Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. | Rotating device and component for fluid dynamic bearing unit thereof |
KR20130073687A (ko) * | 2011-12-23 | 2013-07-03 | 삼성전기주식회사 | 스핀들 모터 |
CN105190754B (zh) * | 2012-10-12 | 2017-06-09 | 马维尔国际有限公司 | 轴向磁场电机和用于组装硬盘驱动器的方法 |
Family Cites Families (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4132414A (en) | 1972-02-07 | 1979-01-02 | Jack Dinsdale | Gramophone turntable apparatus |
US5134331A (en) * | 1990-05-31 | 1992-07-28 | Nippon Densan Corporation | Spindle motor |
US5347189A (en) | 1991-09-25 | 1994-09-13 | Nippon Densan Corporation | Spindle motor with labyrinth sealed bearing |
EP0541852B1 (en) | 1991-11-14 | 1997-04-23 | Digital Equipment International Limited | Spindle and hub assembly |
US5328270A (en) | 1993-03-25 | 1994-07-12 | International Business Machines Corporation | Hydrodynamic pump |
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 |
US5427456A (en) | 1994-04-12 | 1995-06-27 | Synektron Corporation | Fluid bearing with asymmetrical groove pattern |
US5653540A (en) | 1994-07-22 | 1997-08-05 | Seagate Technology, Inc. | Hydrodynamic bearing assembly with single sided grooved counterplace |
US5977674A (en) | 1994-07-22 | 1999-11-02 | Seagate Technology, Inc. | Single plate hydrodynamic bearing with self-balancing fluid level |
US5487608A (en) | 1994-07-22 | 1996-01-30 | Seagate Technology, Inc. | Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation |
US6296390B1 (en) | 1994-07-22 | 2001-10-02 | Seagate Technology Llc | Single plate hydrodynamic bearing with extended single journal bearing |
US5533812A (en) | 1994-07-22 | 1996-07-09 | Seagate Technology, Inc. | Single plate hydrodynamic bearing with self-balancing fluid level |
US5524986A (en) | 1994-08-02 | 1996-06-11 | Seagate Technology, Inc. | Fluid retention principles for hydrodynamic bearings |
US5423612A (en) | 1994-09-16 | 1995-06-13 | Quantum Corp. | Hydrodynamic bearing and seal |
US5908247A (en) | 1994-11-14 | 1999-06-01 | Seagate Technology, Inc. | Sinusoidal grooving pattern for grooved journal bearing |
US5579579A (en) | 1994-12-08 | 1996-12-03 | Quantum Corporation | Method for making precision self-contained hydrodynamic bearing assembly |
US5956204A (en) | 1995-02-13 | 1999-09-21 | Seagate Technology, Inc. | Magnetic disc drive having magnetic particle trap for hydrodynamic bearing |
US5969903A (en) | 1995-02-13 | 1999-10-19 | Seagate Technology, Inc. | Magnetic particle trap for hydrodynamic bearing |
US5793129A (en) | 1995-03-02 | 1998-08-11 | Seagate Technology, Inc. | Low distortion interference fits for spindle motor assembly |
US5601125A (en) | 1995-07-18 | 1997-02-11 | Seagate Technology, Inc. | Vacuum fill technique for hydrodynamic bearing |
US5577842A (en) | 1995-08-30 | 1996-11-26 | Seagate Technology, Inc. | Absorbent oil barrier for hydrodynamic bearing |
US5516212A (en) | 1995-09-18 | 1996-05-14 | Western Digital Corporation | Hydrodynamic bearing with controlled lubricant pressure distribution |
US5973426A (en) * | 1995-11-16 | 1999-10-26 | Matsushita Electric Industrial Co., Ltd. | Motor |
CN1127069C (zh) | 1995-11-16 | 2003-11-05 | 西加特技术有限责任公司 | 具有导电性非金属添加剂的磁盘驱动器氢化轴承润滑剂 |
US5678929A (en) | 1996-05-20 | 1997-10-21 | Seagate Technology, Inc. | Grooved hydrodynamic bearing arrangement including a porous lubricant reservoir |
US5969448A (en) * | 1997-07-03 | 1999-10-19 | Data Storage Institute | Electric spindle motor |
US5777403A (en) * | 1996-07-30 | 1998-07-07 | Nikon Corporation | Voice coil motor with air guide and air bellows |
US5714817A (en) | 1996-09-13 | 1998-02-03 | Synektron Corporation | Labyrinth seal system |
GB2333330A (en) | 1996-12-20 | 1999-07-21 | Seagate Technology | Conical hydrodynamic bearing with two indendent circulation paths |
US5847479A (en) | 1997-04-15 | 1998-12-08 | Sae Magnetics (H.K.) Ltd. | Self-pressure-balanced hydrodynamic bearing spindle motor |
GB2329511B (en) | 1997-04-24 | 2001-08-29 | Seagate Technology | A hydrodynamic fluid bearing and a disc drive incorporating a hydrodynamic fluid bearing |
US6296391B1 (en) | 1997-06-09 | 2001-10-02 | Sankyo Seiki Mfg. Co., Ltd. | Hydrodynamic bearing apparatus |
US5980113A (en) | 1997-06-11 | 1999-11-09 | Seagate Technology, Inc. | Asymmetric sealing means for fluid dynamic bearings |
JPH1173721A (ja) * | 1997-08-22 | 1999-03-16 | Samsung Electro Mech Co Ltd | ディスクドライブ用ブラシレスdcモータ |
US6118620A (en) | 1997-11-05 | 2000-09-12 | Seagate Technology Llc | In-hub spindle motor with separate fluid dynamic bearings |
US6149161A (en) | 1997-11-06 | 2000-11-21 | Seagate Technology Llc | Grooved pumping seal |
US6183135B1 (en) | 1998-03-19 | 2001-02-06 | Seagate Technology Llc | Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation |
US6019516A (en) | 1998-04-14 | 2000-02-01 | Seagate Technology, Inc. | Crowned conical bearing |
US6148501A (en) | 1998-04-14 | 2000-11-21 | Seagate Technology Llc | Fabrication means for in-hub spindle with separate fluid dynamic bearings |
US6149159A (en) | 1998-06-30 | 2000-11-21 | Seagate Technology Llc | High pressure boundary seal |
US6055126A (en) | 1998-07-06 | 2000-04-25 | Seagate Technology, Inc. | Disc drive having hydrodynamic labyrinth seal and magnet shield |
JP2000186716A (ja) * | 1998-10-08 | 2000-07-04 | Seiko Instruments Inc | 流体動圧軸受、スピンドルモ―タ、及び回転体装置 |
US6065877A (en) | 1998-10-23 | 2000-05-23 | Seagate Technology, Inc. | Thermal compensation for fluid dynamic bearing using bimetal parts |
JP4215365B2 (ja) * | 1999-02-16 | 2009-01-28 | 株式会社日立グローバルストレージテクノロジーズ | スピンドルモータとそれを用いた磁気ディスク装置 |
US6402383B1 (en) | 1999-02-25 | 2002-06-11 | Seagate Technology, Llc | Design methods for highly efficient high speed fluid dynamic bearing motors |
US6594883B2 (en) | 2000-11-09 | 2003-07-22 | Seagate Technology Llc | Apparatus and method for setting bearing gaps in an electric motor |
US6575634B2 (en) | 2001-02-20 | 2003-06-10 | Seagate Technology Llc | Thermal compensation without creep in a hydrodynamic bearing |
JP2002266852A (ja) * | 2001-03-13 | 2002-09-18 | Victor Co Of Japan Ltd | スピンドルモータ |
EP1251626A3 (en) * | 2001-04-17 | 2005-11-16 | Minebea Co., Ltd. | Bearing device and spindle motor provided with the bearing device |
US6664685B2 (en) * | 2001-11-16 | 2003-12-16 | Seagate Technology Llc | High adhesion, wear resistant coatings for spindle motors in disk drive/storage applications |
US6982510B1 (en) | 2001-12-20 | 2006-01-03 | Seagate Technology Llc | Low profile fluid dynamic bearing |
JP3948651B2 (ja) * | 2002-02-07 | 2007-07-25 | 日立粉末冶金株式会社 | スピンドルモータ |
US6927515B2 (en) * | 2002-07-17 | 2005-08-09 | Seagate Technology, Llc | Dynamic tilt limiter for fluid dynamic bearings |
US7134792B2 (en) * | 2002-11-05 | 2006-11-14 | Seagate Technology Llc | Single thrust-journal bearing cup fluid dynamic bearing motor |
US7073945B2 (en) * | 2002-11-05 | 2006-07-11 | Seagate Technology Llc | Dynamic radial capillary seal |
US7097360B2 (en) * | 2002-12-03 | 2006-08-29 | Minebea Co. Ltd | Hydrodynamic bearing for a spindle motor |
US7001074B2 (en) | 2003-04-21 | 2006-02-21 | Seagate Technology Llc | High pressure barrier to oil loss by diffusion |
JP2004328926A (ja) * | 2003-04-25 | 2004-11-18 | Nippon Densan Corp | モータおよびディスク駆動装置 |
US7234868B2 (en) * | 2003-05-07 | 2007-06-26 | Seagate Technology Llc | Radial pumping oil seal for fluid dynamic bearing motor |
JP2005027431A (ja) * | 2003-07-02 | 2005-01-27 | Nippon Densan Corp | モータ |
TWI231085B (en) * | 2003-09-05 | 2005-04-11 | Sunonwealth Electr Mach Ind Co | Assembling device for an axial tube structure of a motor |
JP2007511195A (ja) * | 2003-11-05 | 2007-04-26 | ジーアンドダブリュー テクノロジーズ,インク. | モータ構造体 |
JP2005188644A (ja) * | 2003-12-25 | 2005-07-14 | Toshiba Corp | スピンドルモータおよびこれを備えたディスク装置 |
US8181348B2 (en) * | 2004-04-01 | 2012-05-22 | Seagate Technology Llc | Shielding fluid reservoirs of fluid dynamic bearing motors |
KR100517085B1 (ko) * | 2004-07-29 | 2005-09-26 | (주)지엔더블유테크놀러지 | 유체동압 베어링 모터 |
US7679243B2 (en) * | 2005-12-22 | 2010-03-16 | Seagate Technology Llc | Motor assembly with multifunctional components |
-
2005
- 2005-12-22 US US11/317,561 patent/US7679243B2/en active Active
-
2006
- 2006-12-19 SG SG200906249-8A patent/SG155940A1/en unknown
- 2006-12-19 SG SG200609165-6A patent/SG133588A1/en unknown
- 2006-12-21 KR KR1020060131699A patent/KR101213542B1/ko active IP Right Grant
- 2006-12-21 JP JP2006343768A patent/JP5160778B2/ja not_active Expired - Fee Related
- 2006-12-22 CN CN2006101719949A patent/CN1992472B/zh not_active Expired - Fee Related
-
2010
- 2010-02-19 US US12/709,439 patent/US7893585B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR20070066918A (ko) | 2007-06-27 |
JP5160778B2 (ja) | 2013-03-13 |
CN1992472B (zh) | 2012-07-25 |
US7679243B2 (en) | 2010-03-16 |
US7893585B2 (en) | 2011-02-22 |
CN1992472A (zh) | 2007-07-04 |
KR101213542B1 (ko) | 2013-01-18 |
JP2007174895A (ja) | 2007-07-05 |
US20100141071A1 (en) | 2010-06-10 |
US20070145837A1 (en) | 2007-06-28 |
SG155940A1 (en) | 2009-10-29 |
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