JP2013030242A - 回転機器 - Google Patents
回転機器 Download PDFInfo
- Publication number
- JP2013030242A JP2013030242A JP2011165332A JP2011165332A JP2013030242A JP 2013030242 A JP2013030242 A JP 2013030242A JP 2011165332 A JP2011165332 A JP 2011165332A JP 2011165332 A JP2011165332 A JP 2011165332A JP 2013030242 A JP2013030242 A JP 2013030242A
- Authority
- JP
- Japan
- Prior art keywords
- suction plate
- hub
- base
- magnet
- rotation axis
- 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.)
- Ceased
Links
- 239000000696 magnetic material Substances 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000004907 flux Effects 0.000 claims description 43
- 230000005415 magnetization Effects 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000593 degrading effect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 46
- 230000007423 decrease Effects 0.000 description 10
- 239000000314 lubricant Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101150032984 DHS1 gene Proteins 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 101100435897 Petunia hybrida DAHP1 gene Proteins 0.000 description 1
- 101100333991 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) EXO1 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G11B19/2036—Motors characterized by fluid-dynamic bearings
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Rotational Drive Of Disk (AREA)
- Motor Or Generator Frames (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011165332A JP2013030242A (ja) | 2011-07-28 | 2011-07-28 | 回転機器 |
| US13/523,362 US8913343B2 (en) | 2011-07-28 | 2012-06-14 | Rotating device using a fluid dynamic bearing with magnet and suction plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011165332A JP2013030242A (ja) | 2011-07-28 | 2011-07-28 | 回転機器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013030242A true JP2013030242A (ja) | 2013-02-07 |
| JP2013030242A5 JP2013030242A5 (enExample) | 2014-08-14 |
Family
ID=47597030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011165332A Ceased JP2013030242A (ja) | 2011-07-28 | 2011-07-28 | 回転機器 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8913343B2 (enExample) |
| JP (1) | JP2013030242A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101418905B1 (ko) * | 2011-09-30 | 2014-07-14 | 니혼 덴산 가부시키가이샤 | 모터 및 디스크 구동장치 |
| US8797678B1 (en) * | 2013-03-14 | 2014-08-05 | Nidec Corporation | Spindle motor and disk drive apparatus |
| JP2014234841A (ja) * | 2013-05-31 | 2014-12-15 | サムスン電機ジャパンアドバンスドテクノロジー株式会社 | 回転機器 |
| CN107924607A (zh) * | 2015-07-13 | 2018-04-17 | 开利公司 | 安全自动化系统 |
| CN113725035B (zh) * | 2021-08-17 | 2024-05-03 | 安徽合凯电气科技股份有限公司 | 一种涡流斥力机构 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002369438A (ja) * | 2001-06-08 | 2002-12-20 | Matsushita Electric Ind Co Ltd | スピンドルモータ及びその組立方法 |
| JP2007043893A (ja) * | 2005-06-30 | 2007-02-15 | Victor Co Of Japan Ltd | モータ |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3123283B2 (ja) * | 1993-01-29 | 2001-01-09 | 松下電器産業株式会社 | ディスク駆動装置 |
| WO2002092732A2 (en) * | 2001-05-15 | 2002-11-21 | Matsushita Electric Industrial Co., Ltd. | Lubricant composition and analysis method for same |
| 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 |
| JP2005192313A (ja) * | 2003-12-25 | 2005-07-14 | Hitachi Global Storage Technologies Netherlands Bv | データ記憶装置 |
| JP2006311709A (ja) * | 2005-04-28 | 2006-11-09 | Nippon Densan Corp | スリーブ、スリーブユニットおよびモータ |
| JP2007218340A (ja) * | 2006-02-16 | 2007-08-30 | Nippon Densan Corp | スリーブ部材の製造方法およびスリーブユニットの製造方法 |
| DE102009019936A1 (de) * | 2008-11-18 | 2010-05-20 | Minebea Co., Ltd. | Fluiddynamisches Lagersystem |
| DE102009017700A1 (de) * | 2009-04-15 | 2010-10-21 | Minebea Co., Ltd. | Fluiddynamisches Lagersystem und Spindelmotor mit einem solchen Lagersystem |
| JP5636181B2 (ja) * | 2009-09-14 | 2014-12-03 | サムスン電機ジャパンアドバンスドテクノロジー株式会社 | ディスク駆動装置 |
| 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 |
-
2011
- 2011-07-28 JP JP2011165332A patent/JP2013030242A/ja not_active Ceased
-
2012
- 2012-06-14 US US13/523,362 patent/US8913343B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002369438A (ja) * | 2001-06-08 | 2002-12-20 | Matsushita Electric Ind Co Ltd | スピンドルモータ及びその組立方法 |
| JP2007043893A (ja) * | 2005-06-30 | 2007-02-15 | Victor Co Of Japan Ltd | モータ |
Also Published As
| Publication number | Publication date |
|---|---|
| US8913343B2 (en) | 2014-12-16 |
| US20130027807A1 (en) | 2013-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20140625 |
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| A521 | Written amendment |
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| A621 | Written request for application examination |
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| A977 | Report on retrieval |
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| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150513 |
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| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20151027 |
|
| A045 | Written measure of dismissal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A045 Effective date: 20160223 |