CN1638236A - 无刷电机 - Google Patents
无刷电机 Download PDFInfo
- Publication number
- CN1638236A CN1638236A CNA2004101049971A CN200410104997A CN1638236A CN 1638236 A CN1638236 A CN 1638236A CN A2004101049971 A CNA2004101049971 A CN A2004101049971A CN 200410104997 A CN200410104997 A CN 200410104997A CN 1638236 A CN1638236 A CN 1638236A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- bearing
- axle
- electric machine
- pedestal part
- 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
- 230000004907 flux Effects 0.000 claims abstract description 17
- 239000000696 magnetic material Substances 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 33
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920002530 polyetherether ketone Polymers 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 229920006324 polyoxymethylene Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910001067 superalloy steel Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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
-
- 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
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
-
- 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
- F16C39/00—Relieving load on bearings
- F16C39/06—Relieving load on bearings using magnetic means
- F16C39/063—Permanent magnets
-
- 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
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
-
- 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
- H02K7/09—Structural association with bearings with magnetic bearings
-
- 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)
- Motor Or Generator Frames (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003426811 | 2003-12-24 | ||
JP2003426811A JP2005192262A (ja) | 2003-12-24 | 2003-12-24 | ブラシレスモータ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1638236A true CN1638236A (zh) | 2005-07-13 |
CN100486079C CN100486079C (zh) | 2009-05-06 |
Family
ID=34697456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004101049971A Expired - Fee Related CN100486079C (zh) | 2003-12-24 | 2004-12-24 | 无刷电机 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7015612B2 (zh) |
JP (1) | JP2005192262A (zh) |
CN (1) | CN100486079C (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101232218B (zh) * | 2007-01-23 | 2010-10-13 | 台达电子工业股份有限公司 | 风扇及其马达 |
CN102135138A (zh) * | 2010-01-22 | 2011-07-27 | 米克罗内尔有限公司 | 具有定子和安装在该定子中的转子的装置 |
CN102684363A (zh) * | 2011-03-18 | 2012-09-19 | 台达电子工业股份有限公司 | 风扇及其马达 |
CN103066761A (zh) * | 2011-10-20 | 2013-04-24 | 深圳飞能能源有限公司 | 一种轴向力平衡装置及应用其的高速电机 |
US8853904B2 (en) | 2011-03-18 | 2014-10-07 | Delta Electronics, Inc. | Fan and motor thereof |
CN105680607A (zh) * | 2011-03-18 | 2016-06-15 | 台达电子工业股份有限公司 | 风扇及其马达 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI222263B (en) * | 2003-08-15 | 2004-10-11 | Delta Electronics Inc | Non-bearing motor |
JP4835371B2 (ja) | 2005-10-17 | 2011-12-14 | 日本電産株式会社 | 軸受ユニットおよびこれを備えた電動式のモータ |
CN102064626B (zh) | 2006-02-02 | 2012-09-05 | 日本电产株式会社 | 电机 |
JP4816479B2 (ja) * | 2006-02-02 | 2011-11-16 | 日本電産株式会社 | モータ |
US20070231163A1 (en) * | 2006-04-04 | 2007-10-04 | Hsi-Hung Liu | Motor assembly structure |
JP4762112B2 (ja) * | 2006-10-30 | 2011-08-31 | ミネベアモータ株式会社 | ブラシレスモータ |
JP2008228482A (ja) * | 2007-03-14 | 2008-09-25 | Nippon Densan Corp | 軸受機構およびモータ |
EP1973219A3 (en) * | 2007-03-23 | 2008-12-03 | L&P Swiss Holding Company | Fan motor |
US20080238228A1 (en) * | 2007-03-26 | 2008-10-02 | Forcecon Technology Co., Ltd. | Magnetic shaft of a cooling fan |
JP2008283750A (ja) * | 2007-05-09 | 2008-11-20 | Nippon Densan Corp | 油圧ダンパ用モータ |
CN102111026A (zh) * | 2009-12-24 | 2011-06-29 | 台达电子工业股份有限公司 | 风扇及其马达 |
US9590463B2 (en) | 2011-09-22 | 2017-03-07 | Minebea Co., Ltd. | Vibration generator moving vibrator by magnetic field generated by coil and holder used in vibration-generator |
JP6008346B2 (ja) * | 2012-03-28 | 2016-10-19 | ミネベア株式会社 | 送風機 |
KR101388780B1 (ko) * | 2012-09-28 | 2014-04-24 | 삼성전기주식회사 | 모터 |
KR101604922B1 (ko) * | 2014-09-05 | 2016-03-21 | 뉴모텍(주) | 팬 모터 |
DE112019006680T5 (de) * | 2019-01-17 | 2021-11-18 | Mitsubishi Electric Corporation | Rotationsmaschine, Außeneinheit einer Klimaanlage und Klimaanlage |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3397929A (en) * | 1964-06-22 | 1968-08-20 | Westinghouse Electric Corp | Removable bearings |
JPS5295010A (en) | 1976-02-05 | 1977-08-10 | Matsushita Electric Works Ltd | Small type motor |
JPS55123019A (en) * | 1979-03-09 | 1980-09-22 | Matsushita Electric Ind Co Ltd | Rotary device |
NL8502058A (nl) * | 1985-07-17 | 1987-02-16 | Philips Nv | Electrische machine met magnetische lagervoorzieningen. |
US5019738A (en) * | 1990-07-16 | 1991-05-28 | Lincoln Laser Company | Self-pressurizing gas supported surface-roughness bearing |
US5218257A (en) * | 1990-09-17 | 1993-06-08 | Maglev Technology, Inc. | Magnetic levitation self-regulating systems |
JPH0568363A (ja) | 1991-09-09 | 1993-03-19 | Matsushita Electric Ind Co Ltd | ブラシレスモータ |
US5780943A (en) * | 1996-04-04 | 1998-07-14 | Nikon Corporation | Exposure apparatus and method |
JPH09317755A (ja) * | 1996-05-30 | 1997-12-09 | Japan Servo Co Ltd | 軸受け装置及びこの軸受け装置を使用した磁気記録装 置用スピンドルモータ |
JP3299685B2 (ja) * | 1997-04-16 | 2002-07-08 | 日立粉末冶金株式会社 | 磁性流体軸受装置 |
KR100330707B1 (ko) * | 2000-03-29 | 2002-04-03 | 이형도 | 비접촉 구동 모터 |
US6849978B2 (en) * | 2002-02-05 | 2005-02-01 | Delta Electronics, Inc. | Motor having a magnetic bearing |
AU2003250991A1 (en) * | 2002-08-30 | 2004-03-19 | Ebm-Papst St. Georgen Gmbh And Co. Kg | Device comprising a plain bearing |
-
2003
- 2003-12-24 JP JP2003426811A patent/JP2005192262A/ja active Pending
-
2004
- 2004-11-19 US US10/991,422 patent/US7015612B2/en active Active
- 2004-12-24 CN CNB2004101049971A patent/CN100486079C/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101232218B (zh) * | 2007-01-23 | 2010-10-13 | 台达电子工业股份有限公司 | 风扇及其马达 |
CN102135138A (zh) * | 2010-01-22 | 2011-07-27 | 米克罗内尔有限公司 | 具有定子和安装在该定子中的转子的装置 |
CN102684363A (zh) * | 2011-03-18 | 2012-09-19 | 台达电子工业股份有限公司 | 风扇及其马达 |
US8853904B2 (en) | 2011-03-18 | 2014-10-07 | Delta Electronics, Inc. | Fan and motor thereof |
CN105680607A (zh) * | 2011-03-18 | 2016-06-15 | 台达电子工业股份有限公司 | 风扇及其马达 |
CN105680607B (zh) * | 2011-03-18 | 2019-02-15 | 台达电子工业股份有限公司 | 风扇及其马达 |
CN103066761A (zh) * | 2011-10-20 | 2013-04-24 | 深圳飞能能源有限公司 | 一种轴向力平衡装置及应用其的高速电机 |
CN103066761B (zh) * | 2011-10-20 | 2017-08-01 | 深圳飞能能源有限公司 | 一种轴向力平衡装置及应用其的高速电机 |
Also Published As
Publication number | Publication date |
---|---|
JP2005192262A (ja) | 2005-07-14 |
US20050140225A1 (en) | 2005-06-30 |
US7015612B2 (en) | 2006-03-21 |
CN100486079C (zh) | 2009-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MEIWA MOTOR CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20100809 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: OSAKA-FU, JAPAN TO: TOKYO, JAPAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100809 Address after: Tokyo, Japan Patentee after: Minebea - Matsushita Motor Corp. Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 |