JP2000230554A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2000230554A5 JP2000230554A5 JP1999033467A JP3346799A JP2000230554A5 JP 2000230554 A5 JP2000230554 A5 JP 2000230554A5 JP 1999033467 A JP1999033467 A JP 1999033467A JP 3346799 A JP3346799 A JP 3346799A JP 2000230554 A5 JP2000230554 A5 JP 2000230554A5
- Authority
- JP
- Japan
- Prior art keywords
- oil
- rotating shaft
- gap
- sleeve
- radial
- 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
- 239000012530 fluid Substances 0.000 description 60
- 238000004891 communication Methods 0.000 description 45
- 238000007790 scraping Methods 0.000 description 18
- 238000007789 sealing Methods 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 9
- 239000005871 repellent Substances 0.000 description 7
- 230000002940 repellent Effects 0.000 description 6
- 238000011109 contamination Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03346799A JP4446506B2 (ja) | 1999-02-10 | 1999-02-10 | 流体軸受機構、及びその流体軸受機構を搭載したモータ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03346799A JP4446506B2 (ja) | 1999-02-10 | 1999-02-10 | 流体軸受機構、及びその流体軸受機構を搭載したモータ |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008315955A Division JP2009063175A (ja) | 2008-12-11 | 2008-12-11 | 流体軸受機構、及びその流体軸受機構を搭載したモータ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000230554A JP2000230554A (ja) | 2000-08-22 |
| JP2000230554A5 true JP2000230554A5 (enrdf_load_stackoverflow) | 2006-04-06 |
| JP4446506B2 JP4446506B2 (ja) | 2010-04-07 |
Family
ID=12387364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03346799A Expired - Fee Related JP4446506B2 (ja) | 1999-02-10 | 1999-02-10 | 流体軸受機構、及びその流体軸受機構を搭載したモータ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4446506B2 (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100377000B1 (ko) * | 2000-08-25 | 2003-03-26 | 삼성전기주식회사 | 유체동압 베어링 모터 |
| JP2003172357A (ja) * | 2001-12-06 | 2003-06-20 | Sankyo Seiki Mfg Co Ltd | 含油軸受装置 |
| JP4236891B2 (ja) | 2002-09-26 | 2009-03-11 | Ｎｔｎ株式会社 | 動圧軸受装置 |
| JP2006064171A (ja) * | 2004-07-28 | 2006-03-09 | 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 |
| JP2006183807A (ja) * | 2004-12-28 | 2006-07-13 | Nidec Sankyo Corp | 軸受装置 |
| US8120220B2 (en) | 2006-01-10 | 2012-02-21 | Ntn Corporation | Fluid dynamic bearing device and manufacturing method therefor |
| JP4685641B2 (ja) * | 2006-01-20 | 2011-05-18 | Ｎｔｎ株式会社 | 流体軸受装置及びその製造方法 |
| KR100771356B1 (ko) * | 2006-03-27 | 2007-10-29 | 삼성전기주식회사 | 추가의 유체보관공간을 구비한 동압 베어링 |
| TWI482914B (zh) * | 2012-11-29 | 2015-05-01 | Sunonwealth Electr Mach Ind Co | 含油軸承 |
| CN104110399B (zh) * | 2013-04-16 | 2018-04-24 | 奇鋐科技股份有限公司 | 含油轴承及其含油轴承固定结构 |
| KR200488662Y1 (ko) * | 2017-09-27 | 2019-03-06 | 네덱(주) | 회전자 분리형 모터 |
| EP4022746A1 (en) * | 2019-10-08 | 2022-07-06 | Neapco Intellectual Property Holdings, LLC | Lubricant supported electric motor including a bearing structure |
| JP7410193B2 (ja) * | 2022-01-13 | 2024-01-09 | 大陽日酸株式会社 | 回転主軸及び回転機械 |
-
1999
- 1999-02-10 JP JP03346799A patent/JP4446506B2/ja not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7201516B2 (en) | Fluid bearing device | |
| JP2000230554A5 (enrdf_load_stackoverflow) | ||
| US8315012B2 (en) | Spindle motor including communicating channel, and disk drive apparatus | |
| US6671125B1 (en) | Fluid seal and bearing with same | |
| JP3727253B2 (ja) | 動圧流体軸受装置 | |
| JP4446506B2 (ja) | 流体軸受機構、及びその流体軸受機構を搭載したモータ | |
| JP4602497B2 (ja) | 軸受装置及びこれを適用したスピンドルモータ組立体 | |
| US6552456B2 (en) | Hydraulic dynamic pressure bearing motor | |
| JP3514958B2 (ja) | 流体ベアリング装置 | |
| US7401979B2 (en) | Dynamic pressure bearing device | |
| US6212973B1 (en) | Self-compensating dynamic balancer | |
| WO2005046029A1 (en) | Motor | |
| JPH0432468B2 (enrdf_load_stackoverflow) | ||
| JPH06178492A (ja) | スピンドルモータ | |
| JP3554485B2 (ja) | 流体動圧軸受モータ | |
| JP3892995B2 (ja) | 動圧型軸受ユニット | |
| JPH09191599A (ja) | 動圧流体軸受を備えたモータ | |
| JP3782918B2 (ja) | 動圧型軸受ユニット | |
| JP4024007B2 (ja) | 動圧型軸受ユニット | |
| JP2009063175A (ja) | 流体軸受機構、及びその流体軸受機構を搭載したモータ | |
| JP3145820B2 (ja) | スピンドルモータ | |
| KR100224603B1 (ko) | 역류구가 형성된 유체 베어링 장치 | |
| JP3183694B2 (ja) | 記録用ディスク駆動装置 | |
| JPH11201153A (ja) | 回転機械 | |
| KR100224616B1 (ko) | 역류구가 형성된 유체 베어링 장치 |