JP2003209950A5 - - Google Patents
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- JP2003209950A5 JP2003209950A5 JP2002006626A JP2002006626A JP2003209950A5 JP 2003209950 A5 JP2003209950 A5 JP 2003209950A5 JP 2002006626 A JP2002006626 A JP 2002006626A JP 2002006626 A JP2002006626 A JP 2002006626A JP 2003209950 A5 JP2003209950 A5 JP 2003209950A5
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002006626A JP3939987B2 (ja) | 2002-01-15 | 2002-01-15 | スピンドルモータ |
US10/331,698 US7218023B2 (en) | 2002-01-15 | 2002-12-30 | Spindle motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002006626A JP3939987B2 (ja) | 2002-01-15 | 2002-01-15 | スピンドルモータ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2003209950A JP2003209950A (ja) | 2003-07-25 |
JP2003209950A5 true JP2003209950A5 (ja) | 2005-08-04 |
JP3939987B2 JP3939987B2 (ja) | 2007-07-04 |
Family
ID=19191251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002006626A Expired - Fee Related JP3939987B2 (ja) | 2002-01-15 | 2002-01-15 | スピンドルモータ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7218023B2 (ja) |
JP (1) | JP3939987B2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030190100A1 (en) * | 2002-04-05 | 2003-10-09 | Grantz Alan L. | Radial capillary seal for fluid dynamic bearing motors |
US7265939B2 (en) * | 2003-03-31 | 2007-09-04 | Matsushita Electric Industrial Co., Ltd. | Spindle motor and disk drive unit |
DE102004017356A1 (de) * | 2004-04-08 | 2005-11-10 | Minebea Co., Ltd. | Spindelmotor mit einem hydrodynamischen Lagersystem |
JP2006071062A (ja) * | 2004-09-06 | 2006-03-16 | Hitachi Powdered Metals Co Ltd | 動圧軸受 |
JP4573349B2 (ja) * | 2004-10-21 | 2010-11-04 | 日立粉末冶金株式会社 | 動圧軸受の製造方法 |
US7781929B1 (en) * | 2004-12-02 | 2010-08-24 | Seagate Technology Llc | Shaped fluid dynamic bearing for a hard disk drive |
JP2006300245A (ja) * | 2005-04-21 | 2006-11-02 | Matsushita Electric Ind Co Ltd | 動圧流体軸受装置 |
JP2008167521A (ja) * | 2006-12-27 | 2008-07-17 | Nippon Densan Corp | モータ、記録ディスク駆動装置およびロータハブの製造方法 |
US20090120721A1 (en) * | 2007-11-08 | 2009-05-14 | Hung-Guang Li | Anti-leakage device for an oily bearing |
KR101109352B1 (ko) * | 2010-04-14 | 2012-01-31 | 삼성전기주식회사 | 스핀들 모터 |
KR20130026156A (ko) * | 2011-09-05 | 2013-03-13 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리 및 이를 포함하는 모터 |
JP2019097328A (ja) * | 2017-11-24 | 2019-06-20 | 日本電産株式会社 | モータ |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3964805A (en) * | 1974-09-27 | 1976-06-22 | The Bendix Corporation | Dynamic fluid reservoir bearing |
US5014581A (en) * | 1989-07-12 | 1991-05-14 | The United States Of America As Represented By The Secretary Of The Air Force | Apparatus for machining |
DE69125836T2 (de) * | 1991-11-14 | 1997-12-18 | Quantum Corp | Spindel- und Nabenausrüstung |
JPH06315242A (ja) * | 1993-04-28 | 1994-11-08 | Nippon Densan Corp | スピンドルモータ |
KR100230256B1 (ko) * | 1996-05-30 | 1999-11-15 | 윤종용 | 원추형 유체베어링을 채용한 헤드드럼 및 스핀들모터 |
US5969448A (en) * | 1997-07-03 | 1999-10-19 | Data Storage Institute | Electric spindle motor |
KR100213877B1 (ko) * | 1996-10-29 | 1999-08-02 | 윤종용 | 원추베어링 장치 |
US5689146A (en) * | 1996-11-05 | 1997-11-18 | Synektron Corporation | Conical bearing system for spindle motors |
US6144523A (en) * | 1996-12-20 | 2000-11-07 | Seagate Technology Llc | Simplified conical bearing with independent flow paths |
KR19980066271A (ko) * | 1997-01-22 | 1998-10-15 | 김광호 | 모터에 적용된 원추 베어링 장치 |
WO1998048188A1 (en) * | 1997-04-24 | 1998-10-29 | Seagate Technology, Inc. | Both ends open fluid dynamic bearing having a journal in combination with a conical bearing |
US5980113A (en) * | 1997-06-11 | 1999-11-09 | Seagate Technology, Inc. | Asymmetric sealing means for fluid dynamic bearings |
US6154339A (en) * | 1997-11-06 | 2000-11-28 | Seagate Technology Llc. | Centrifugal capillary seal for use with fluid dynamic bearings |
US6019516A (en) * | 1998-04-14 | 2000-02-01 | Seagate Technology, Inc. | Crowned conical bearing |
US6322252B1 (en) * | 1998-05-19 | 2001-11-27 | Seagate Technology Llc | Discrete fluid dynamic bearings |
US6575634B2 (en) * | 2001-02-20 | 2003-06-10 | Seagate Technology Llc | Thermal compensation without creep in a hydrodynamic bearing |
JP3948651B2 (ja) * | 2002-02-07 | 2007-07-25 | 日立粉末冶金株式会社 | スピンドルモータ |
US6946764B2 (en) * | 2002-12-23 | 2005-09-20 | Seagate Technology Llc | Conical hybrid FDB motor |
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2002
- 2002-01-15 JP JP2002006626A patent/JP3939987B2/ja not_active Expired - Fee Related
- 2002-12-30 US US10/331,698 patent/US7218023B2/en not_active Expired - Fee Related