JP2003092851A - 流体動圧軸受を備えたスピンドルモータ - Google Patents

流体動圧軸受を備えたスピンドルモータ

Info

Publication number
JP2003092851A
JP2003092851A JP2001286293A JP2001286293A JP2003092851A JP 2003092851 A JP2003092851 A JP 2003092851A JP 2001286293 A JP2001286293 A JP 2001286293A JP 2001286293 A JP2001286293 A JP 2001286293A JP 2003092851 A JP2003092851 A JP 2003092851A
Authority
JP
Japan
Prior art keywords
shaft
hub
diameter
fluid dynamic
peripheral surface
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.)
Pending
Application number
JP2001286293A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003092851A5 (US20030204162A1-20031030-M00001.png
Inventor
Kazuaki Oguchi
和明 小口
Hiromitsu Goto
廣光 後藤
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP2001286293A priority Critical patent/JP2003092851A/ja
Publication of JP2003092851A publication Critical patent/JP2003092851A/ja
Publication of JP2003092851A5 publication Critical patent/JP2003092851A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sliding-Contact Bearings (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
JP2001286293A 2001-09-20 2001-09-20 流体動圧軸受を備えたスピンドルモータ Pending JP2003092851A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001286293A JP2003092851A (ja) 2001-09-20 2001-09-20 流体動圧軸受を備えたスピンドルモータ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001286293A JP2003092851A (ja) 2001-09-20 2001-09-20 流体動圧軸受を備えたスピンドルモータ

Publications (2)

Publication Number Publication Date
JP2003092851A true JP2003092851A (ja) 2003-03-28
JP2003092851A5 JP2003092851A5 (US20030204162A1-20031030-M00001.png) 2005-01-13

Family

ID=19109306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001286293A Pending JP2003092851A (ja) 2001-09-20 2001-09-20 流体動圧軸受を備えたスピンドルモータ

Country Status (1)

Country Link
JP (1) JP2003092851A (US20030204162A1-20031030-M00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005155782A (ja) * 2003-11-26 2005-06-16 Mach Eng:Kk フレキシブルアクチュエーター

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005155782A (ja) * 2003-11-26 2005-06-16 Mach Eng:Kk フレキシブルアクチュエーター

Similar Documents

Publication Publication Date Title
USRE45387E1 (en) Spindle motor having a fluid dynamic bearing system and a stationary shaft
US20040145260A1 (en) Dynamic bearing device, producing method thereof, and motor using the same
US7492548B2 (en) Hydrodynamic bearing device and disk rotating apparatus
JP3984462B2 (ja) 動圧軸受装置
JP2001187920A (ja) スピンドルモータ
JP2002354742A (ja) スピンドルモータ
JP2006194400A (ja) スピンドルモータおよび回転装置
US7550887B2 (en) Spindle motor and method of manufacturing spindle motor
US20030133633A1 (en) Dynamic pressure type fluid bearing device and method of manufacturing the fluid bearing device
US7524113B2 (en) Hydrodynamic bearing device
JP2002005170A (ja) 流体軸受の粘性流体充填方法、モータ
US20060133704A1 (en) Hydrodynamic bearing device and spindle motor
JP2009008160A (ja) 流体動圧軸受機構、流体動圧軸受機構の製造方法およびモータ
JP2010144858A (ja) 流体軸受装置、およびそれを用いたスピンドルモータ、情報記録再生装置
JP2003092851A (ja) 流体動圧軸受を備えたスピンドルモータ
JP2000352414A (ja) 動圧型軸受ユニット
JP2002165407A (ja) モータ
KR100618371B1 (ko) 동압 유체 베어링 모터 및 이를 구비한 디스크 구동장치
JP2002165408A (ja) モータ
JP2006136180A (ja) スピンドルモータ
JP2002165409A (ja) モータ
JP2007092783A (ja) 動圧流体軸受の製造方法、動圧流体軸受およびスピンドルモータ
JP2003161314A (ja) 流体動圧軸受を備えたスピンドルモータ
JP2001289242A (ja) 流体軸受スピンドルモータ
JP2007051782A (ja) 動圧型軸受ユニットおよびその製造方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040217

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040217

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20040303

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060117

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060125

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20060523