CN1337770A - 动压式轴承电动机及其制造方法 - Google Patents
动压式轴承电动机及其制造方法 Download PDFInfo
- Publication number
- CN1337770A CN1337770A CN01132539.9A CN01132539A CN1337770A CN 1337770 A CN1337770 A CN 1337770A CN 01132539 A CN01132539 A CN 01132539A CN 1337770 A CN1337770 A CN 1337770A
- Authority
- CN
- China
- Prior art keywords
- bearing
- aforementioned
- dynamic
- motor
- mentioned
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 20
- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 33
- 230000001050 lubricating effect Effects 0.000 claims description 29
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000033228 biological regulation Effects 0.000 claims description 7
- 230000008450 motivation Effects 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- 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
- 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
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
-
- 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)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Mounting Of Bearings Or Others (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000239121A JP3723428B2 (ja) | 2000-08-07 | 2000-08-07 | 動圧軸受モータ |
JP239121/00 | 2000-08-07 | ||
JP239121/2000 | 2000-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1337770A true CN1337770A (zh) | 2002-02-27 |
CN1188943C CN1188943C (zh) | 2005-02-09 |
Family
ID=18730712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011325399A Expired - Fee Related CN1188943C (zh) | 2000-08-07 | 2001-07-20 | 动压式轴承电动机及其制造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6614139B2 (zh) |
JP (1) | JP3723428B2 (zh) |
CN (1) | CN1188943C (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295843C (zh) * | 2002-05-17 | 2007-01-17 | 株式会社三协精机制作所 | 油动压轴承电动机、油动压轴承装置及其制造方法 |
CN100419288C (zh) * | 2002-05-27 | 2008-09-17 | 株式会社三协精机制作所 | 油动压轴承装置及轴回转型电机 |
CN100458196C (zh) * | 2002-09-26 | 2009-02-04 | Ntn株式会社 | 动态轴承装置 |
CN111987817A (zh) * | 2019-05-24 | 2020-11-24 | 北京金风科创风电设备有限公司 | 电机及电机的装配方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10200506A1 (de) * | 2002-01-09 | 2003-07-24 | Minebea Co Ltd | Verfahren zum Herstellen eines Spindelmotors und Spindelmotor für ein Festplattenlaufwerk |
TW547869U (en) * | 2002-07-10 | 2003-08-11 | Hon Hai Prec Ind Co Ltd | Bearing device for motor |
JP2006022951A (ja) * | 2004-06-11 | 2006-01-26 | Minebea Co Ltd | 流体動圧軸受、該流体動圧軸受を備えたスピンドルモータ並びに記録ディスク駆動装置 |
DE102007009996B4 (de) * | 2007-03-01 | 2014-03-27 | Minebea Co., Ltd. | Elektromotor |
US9093108B2 (en) | 2007-09-22 | 2015-07-28 | Seagate Technology Llc | Fluid dynamic bearing and pumping seal |
KR101063340B1 (ko) * | 2010-06-18 | 2011-09-07 | 주식회사 삼홍사 | 모터 |
KR20130015157A (ko) * | 2011-08-02 | 2013-02-13 | 삼성전기주식회사 | 스핀들 모터 |
GB2571556B (en) * | 2018-03-01 | 2020-09-30 | Dyson Technology Ltd | A method of mounting a rotor assembly to a frame of an electric motor |
JP6965228B2 (ja) * | 2018-10-30 | 2021-11-10 | ミネベアミツミ株式会社 | モータ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3206191B2 (ja) * | 1993-03-15 | 2001-09-04 | 松下電器産業株式会社 | スピンドルモータおよびその組立方法 |
JPH0833268A (ja) * | 1994-07-19 | 1996-02-02 | Toshiba Corp | アキシャルギャップ形モータ及びポリゴンミラー駆動用スキャナモータ |
JPH099568A (ja) * | 1995-06-23 | 1997-01-10 | Matsushita Electric Ind Co Ltd | ディスク駆動装置 |
US5998898A (en) * | 1997-12-19 | 1999-12-07 | Matsushita Electric Industrial Co., Ltd. | Motor having hydrodynamic bearing |
-
2000
- 2000-08-07 JP JP2000239121A patent/JP3723428B2/ja not_active Expired - Fee Related
-
2001
- 2001-07-20 CN CNB011325399A patent/CN1188943C/zh not_active Expired - Fee Related
- 2001-07-30 US US09/919,370 patent/US6614139B2/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295843C (zh) * | 2002-05-17 | 2007-01-17 | 株式会社三协精机制作所 | 油动压轴承电动机、油动压轴承装置及其制造方法 |
CN100419288C (zh) * | 2002-05-27 | 2008-09-17 | 株式会社三协精机制作所 | 油动压轴承装置及轴回转型电机 |
CN100458196C (zh) * | 2002-09-26 | 2009-02-04 | Ntn株式会社 | 动态轴承装置 |
CN111987817A (zh) * | 2019-05-24 | 2020-11-24 | 北京金风科创风电设备有限公司 | 电机及电机的装配方法 |
CN111987817B (zh) * | 2019-05-24 | 2023-11-24 | 北京金风科创风电设备有限公司 | 电机及电机的装配方法 |
US12034342B2 (en) | 2019-05-24 | 2024-07-09 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Electric machine and assembling method for electric machine |
Also Published As
Publication number | Publication date |
---|---|
CN1188943C (zh) | 2005-02-09 |
US20020047396A1 (en) | 2002-04-25 |
JP2002058198A (ja) | 2002-02-22 |
JP3723428B2 (ja) | 2005-12-07 |
US6614139B2 (en) | 2003-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1188943C (zh) | 动压式轴承电动机及其制造方法 | |
US6717310B2 (en) | Spindle motor and method for assembling the same | |
CN1221066C (zh) | 电动机 | |
US20060029312A1 (en) | Hydrodynamic bearing device, motor and disc driving apparatus | |
CN1957516A (zh) | 流体动力轴承设备和使用其的电动机 | |
US20090174272A1 (en) | Motor and disk drive using the same | |
US8113715B2 (en) | Fluid dynamic bearing device | |
US8508883B2 (en) | Motor including hydrodynamic bearing and disk drive apparatus including same | |
US8780494B1 (en) | Rotating device | |
US8514515B2 (en) | Motor and disk drive apparatus | |
US7285886B2 (en) | Motor | |
JP2007073164A (ja) | スピンドルモータおよびその製造方法 | |
CN1084542C (zh) | 转子和转子的组装方法及使用该转子的电动机 | |
US20030091250A1 (en) | Dynamic pressure bearing device | |
US7972065B2 (en) | Hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus equipped with same | |
US8742638B1 (en) | Hydrodynamic bearing assembly and spindle motor having the same | |
US8755146B1 (en) | Spindle motor and hard disk drive including the same | |
US9595290B2 (en) | Method of manufacturing fluid bearing apparatus and spindle motor including press working a cylindrical inner surface provided with a plating layer | |
JPH08196056A (ja) | 動圧軸受及びその製造方法 | |
JP2003032945A (ja) | 情報記録再生装置 | |
JP2001003930A (ja) | スピンドルモータのスラスト軸受の製造法 | |
US20030221959A1 (en) | Method and apparatus for forming grooved journals | |
JP3877115B2 (ja) | スピンドルモータ | |
EP0905865A2 (en) | Method of assembling magnetic disk driving motor | |
KR101055496B1 (ko) | 스핀들모터 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NIDEC SANKYO CORP. Free format text: FORMER NAME OR ADDRESS: SANKYO SEIKI MFG. SEISAKUSHO K.K. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Nagano Patentee after: Sankyo Seiki Seisakusho KK Address before: Nagano Patentee before: Sankyo Seiki Manufacturing Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: NIDEC CORP. Free format text: FORMER OWNER: NIDEC SANKYO CORP. Effective date: 20081031 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081031 Address after: Kyoto Japan Patentee after: Nippon Densan K. K. Address before: Nagano Patentee before: Sankyo Seiki Seisakusho KK |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050209 |