SG155940A1 - Motor assembly with multifunctional components - Google Patents
Motor assembly with multifunctional componentsInfo
- Publication number
- SG155940A1 SG155940A1 SG200906249-8A SG2009062498A SG155940A1 SG 155940 A1 SG155940 A1 SG 155940A1 SG 2009062498 A SG2009062498 A SG 2009062498A SG 155940 A1 SG155940 A1 SG 155940A1
- Authority
- SG
- Singapore
- Prior art keywords
- assembly
- hub
- spindle
- bearing
- base
- Prior art date
Links
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 239000012530 fluid Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
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)
- Sealing Of Bearings (AREA)
- Rotational Drive Of Disk (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 |
|---|---|
| SG155940A1 true SG155940A1 (en) | 2009-10-29 |
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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG200609165-6A SG133588A1 (en) | 2005-12-22 | 2006-12-19 | Motor assembly with multifunctional components |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7679243B2 (enExample) |
| JP (1) | JP5160778B2 (enExample) |
| KR (1) | KR101213542B1 (enExample) |
| CN (1) | CN1992472B (enExample) |
| SG (2) | SG155940A1 (enExample) |
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 |
| US9472234B2 (en) * | 2012-10-12 | 2016-10-18 | Marvell International Ltd. | Hard disk drive spindle motor including a base and a base insert formed from different materials |
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|---|---|---|---|---|
| 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 |
| DE69125836T2 (de) | 1991-11-14 | 1997-12-18 | Quantum Corp | Spindel- und Nabenausrüstung |
| 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 |
| 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 |
| US5653540A (en) | 1994-07-22 | 1997-08-05 | Seagate Technology, Inc. | Hydrodynamic bearing assembly with single sided grooved counterplace |
| 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 |
| US5969903A (en) | 1995-02-13 | 1999-10-19 | Seagate Technology, Inc. | Magnetic particle trap for hydrodynamic bearing |
| US5956204A (en) | 1995-02-13 | 1999-09-21 | Seagate Technology, Inc. | Magnetic disc drive having 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 |
| WO1997018616A1 (en) * | 1995-11-16 | 1997-05-22 | 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 |
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| US5847479A (en) | 1997-04-15 | 1998-12-08 | Sae Magnetics (H.K.) Ltd. | Self-pressure-balanced hydrodynamic bearing spindle motor |
| DE19781853T1 (de) | 1997-04-24 | 1999-07-08 | Seagate Technology | Spindelmotor mit fluiddynamischem Lager, welches ein Radiallager in Kombination mit einem konischen Lager (eine Seite offen) hat |
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| US5925949A (en) * | 1997-08-22 | 1999-07-20 | Samsung Electro Mechanics Co., Ltd. | Disc drive motor with means to center a disc and limit its axial movement |
| 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 |
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| US6148501A (en) | 1998-04-14 | 2000-11-21 | Seagate Technology Llc | Fabrication means for in-hub spindle with separate fluid dynamic bearings |
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| 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 |
| JP2003018792A (ja) * | 2001-04-17 | 2003-01-17 | Minebea Co Ltd | モータ |
| 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 |
| US7073945B2 (en) * | 2002-11-05 | 2006-07-11 | Seagate Technology Llc | Dynamic radial capillary seal |
| US7134792B2 (en) * | 2002-11-05 | 2006-11-14 | Seagate Technology Llc | Single thrust-journal bearing cup fluid dynamic bearing motor |
| 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 not_active Expired - Fee Related
- 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 not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US7893585B2 (en) | 2011-02-22 |
| CN1992472A (zh) | 2007-07-04 |
| US20070145837A1 (en) | 2007-06-28 |
| CN1992472B (zh) | 2012-07-25 |
| US20100141071A1 (en) | 2010-06-10 |
| US7679243B2 (en) | 2010-03-16 |
| JP5160778B2 (ja) | 2013-03-13 |
| JP2007174895A (ja) | 2007-07-05 |
| KR101213542B1 (ko) | 2013-01-18 |
| KR20070066918A (ko) | 2007-06-27 |
| SG133588A1 (en) | 2007-07-30 |
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