JP2003209950A5 - - Google Patents

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Publication number
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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JP
Japan
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.)
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Application number
JP2002006626A
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JP2003209950A (ja
JP3939987B2 (ja
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Priority to JP2002006626A priority Critical patent/JP3939987B2/ja
Priority claimed from JP2002006626A external-priority patent/JP3939987B2/ja
Priority to US10/331,698 priority patent/US7218023B2/en
Publication of JP2003209950A publication Critical patent/JP2003209950A/ja
Publication of JP2003209950A5 publication Critical patent/JP2003209950A5/ja
Application granted granted Critical
Publication of JP3939987B2 publication Critical patent/JP3939987B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2002006626A 2002-01-15 2002-01-15 スピンドルモータ Expired - Fee Related JP3939987B2 (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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