JP2014074461A5 - - Google Patents
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- Publication number
- JP2014074461A5 JP2014074461A5 JP2012222416A JP2012222416A JP2014074461A5 JP 2014074461 A5 JP2014074461 A5 JP 2014074461A5 JP 2012222416 A JP2012222416 A JP 2012222416A JP 2012222416 A JP2012222416 A JP 2012222416A JP 2014074461 A5 JP2014074461 A5 JP 2014074461A5
- Authority
- JP
- Japan
- Prior art keywords
- fluid dynamic
- bearing device
- dynamic bearing
- lubricating oil
- shaft
- 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 claims description 18
- -1 diol esters Chemical class 0.000 claims description 14
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 12
- 229910019142 PO4 Inorganic materials 0.000 claims description 11
- 239000010687 lubricating oil Substances 0.000 claims description 11
- 239000010452 phosphate Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 4
- 239000002199 base oil Substances 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 150000005690 diesters Chemical class 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims 5
- 125000004432 carbon atom Chemical group C* 0.000 claims 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 3
- 238000005886 esterification reaction Methods 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical class C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 claims 1
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012222416A JP6034643B2 (ja) | 2012-10-04 | 2012-10-04 | 流体動圧軸受装置及びスピンドルモータ |
| CN201310397599.2A CN103711794B (zh) | 2012-10-04 | 2013-09-04 | 流体动压轴承装置以及主轴电动机 |
| US14/029,072 US20140097717A1 (en) | 2012-10-04 | 2013-09-17 | Fluid dynamic pressure bearing apparatus and spindle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012222416A JP6034643B2 (ja) | 2012-10-04 | 2012-10-04 | 流体動圧軸受装置及びスピンドルモータ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014074461A JP2014074461A (ja) | 2014-04-24 |
| JP2014074461A5 true JP2014074461A5 (https=) | 2015-08-20 |
| JP6034643B2 JP6034643B2 (ja) | 2016-11-30 |
Family
ID=50405041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012222416A Active JP6034643B2 (ja) | 2012-10-04 | 2012-10-04 | 流体動圧軸受装置及びスピンドルモータ |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140097717A1 (https=) |
| JP (1) | JP6034643B2 (https=) |
| CN (1) | CN103711794B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090128A (zh) * | 2014-04-18 | 2015-11-25 | 富瑞精密组件（昆山）有限公司 | 风扇 |
| JP7741362B2 (ja) * | 2021-04-20 | 2025-09-18 | 新日本理化株式会社 | 流体動圧軸受潤滑油基油、流体動圧軸受潤滑油、流体動圧軸受、モータ、ファンモータ |
| JP7741363B2 (ja) * | 2021-04-20 | 2025-09-18 | 新日本理化株式会社 | 流体動圧軸受潤滑油基油、流体動圧軸受潤滑油、流体動圧軸受、モータ、ファンモータ |
| US20250237263A1 (en) * | 2021-10-25 | 2025-07-24 | Minebea Mitsumi Inc. | Fluid dynamic pressure bearing oil, spindle motor, and disk drive device |
| DE102024103959A1 (de) * | 2024-02-13 | 2025-08-14 | Minebea Mitsumi Inc. | Spindelmotor |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5975995A (ja) * | 1982-10-25 | 1984-04-28 | Showa Shell Sekiyu Kk | 耐摩耗性、極圧性及び摩擦特性にすぐれた潤滑組成物 |
| JP4074703B2 (ja) * | 1998-03-23 | 2008-04-09 | 新日鐵化学株式会社 | 焼結含油軸受ユニット |
| JP2003097557A (ja) * | 2001-09-21 | 2003-04-03 | Sankyo Seiki Mfg Co Ltd | オイル軸受装置 |
| JP4028982B2 (ja) * | 2001-12-27 | 2008-01-09 | 新日鐵化学株式会社 | 流体軸受ユニット及び軸受用潤滑油組成物 |
| JP4170694B2 (ja) * | 2002-07-18 | 2008-10-22 | 出光興産株式会社 | 含油軸受油、それを用いた含油軸受及び与圧モータ |
| US20060252659A1 (en) * | 2003-06-27 | 2006-11-09 | Shinji Kinoshita | Lubricating oil for dynamic fluid-pressure bearing, dynamic-fluid-pressure bearing, motor, and information recording/reproducing apparatus |
| DE10343618B3 (de) * | 2003-09-20 | 2004-11-04 | Ks Gleitlager Gmbh | Gleitlagerverbundwerkstoff |
| DE102005015467C5 (de) * | 2005-04-04 | 2024-02-29 | Diehl Brass Solutions Stiftung & Co. Kg | Verwendung einer Kupfer-Zink-Legierung |
| WO2007080824A1 (ja) * | 2006-01-16 | 2007-07-19 | Oiles Corporation | 銅系焼結摺動部材 |
| JP4573128B2 (ja) * | 2006-03-14 | 2010-11-04 | ミネベア株式会社 | 面状照明装置 |
| DE102007029991B4 (de) * | 2007-06-28 | 2013-08-01 | Wieland-Werke Ag | Kupfer-Zink-Legierung, Verfahren zur Herstellung und Verwendung |
| JP2009035705A (ja) * | 2007-07-09 | 2009-02-19 | Nippon Densan Corp | 流体動圧軸受用潤滑剤、流体動圧軸受装置、モータ及びディスク駆動装置 |
| JP2010106083A (ja) * | 2008-10-28 | 2010-05-13 | Panasonic Corp | イオン性液体含有潤滑油組成物 |
| JP5640315B2 (ja) * | 2009-02-06 | 2014-12-17 | 新日本理化株式会社 | 動圧流体軸受用又は焼結含油軸受用潤滑油組成物 |
| CN102822324A (zh) * | 2010-03-26 | 2012-12-12 | 株式会社Adeka | 润滑油组合物 |
| US20120050916A1 (en) * | 2010-08-31 | 2012-03-01 | Seagate Technology Llc | Hydrodynamic disc drive spindle motor having hydro bearing with lubricant |
-
2012
- 2012-10-04 JP JP2012222416A patent/JP6034643B2/ja active Active
-
2013
- 2013-09-04 CN CN201310397599.2A patent/CN103711794B/zh active Active
- 2013-09-17 US US14/029,072 patent/US20140097717A1/en not_active Abandoned
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