JP4446506B2 - 流体軸受機構、及びその流体軸受機構を搭載したモータ - Google Patents

流体軸受機構、及びその流体軸受機構を搭載したモータ Download PDF

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Publication number
JP4446506B2
JP4446506B2 JP03346799A JP3346799A JP4446506B2 JP 4446506 B2 JP4446506 B2 JP 4446506B2 JP 03346799 A JP03346799 A JP 03346799A JP 3346799 A JP3346799 A JP 3346799A JP 4446506 B2 JP4446506 B2 JP 4446506B2
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JP
Japan
Prior art keywords
oil
bearing mechanism
rotating shaft
radial
gap
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.)
Expired - Fee Related
Application number
JP03346799A
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English (en)
Japanese (ja)
Other versions
JP2000230554A (ja
JP2000230554A5 (enrdf_load_stackoverflow
Inventor
茂雄 小幡
薫 松岡
雅史 尾村
洋 井上
拓道 猪又
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP03346799A priority Critical patent/JP4446506B2/ja
Publication of JP2000230554A publication Critical patent/JP2000230554A/ja
Publication of JP2000230554A5 publication Critical patent/JP2000230554A5/ja
Application granted granted Critical
Publication of JP4446506B2 publication Critical patent/JP4446506B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
JP03346799A 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 Expired - Fee Related JP4446506B2 (ja)

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 JP2000230554A5 (enrdf_load_stackoverflow) 2006-04-06
JP4446506B2 true 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021072077A1 (en) * 2019-10-08 2021-04-15 Neapco Intellectual Property Holdings, Llc Lubricant supported electric motor including a bearing structure

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021072077A1 (en) * 2019-10-08 2021-04-15 Neapco Intellectual Property Holdings, Llc Lubricant supported electric motor including a bearing structure
US11923755B2 (en) 2019-10-08 2024-03-05 Neapco Intellectual Property Holdings, Llc Lubricant supported electric motor including a bearing structure

Also Published As

Publication number Publication date
JP2000230554A (ja) 2000-08-22

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