JP3840013B2 - 流体軸受装置 - Google Patents

流体軸受装置 Download PDF

Info

Publication number
JP3840013B2
JP3840013B2 JP30748499A JP30748499A JP3840013B2 JP 3840013 B2 JP3840013 B2 JP 3840013B2 JP 30748499 A JP30748499 A JP 30748499A JP 30748499 A JP30748499 A JP 30748499A JP 3840013 B2 JP3840013 B2 JP 3840013B2
Authority
JP
Japan
Prior art keywords
sleeve
bearing device
hydrodynamic bearing
dynamic pressure
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.)
Expired - Fee Related
Application number
JP30748499A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001124067A5 (enExample
JP2001124067A (ja
Inventor
孝司 園田
隆文 浅田
力 浜田
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 JP30748499A priority Critical patent/JP3840013B2/ja
Publication of JP2001124067A publication Critical patent/JP2001124067A/ja
Publication of JP2001124067A5 publication Critical patent/JP2001124067A5/ja
Application granted granted Critical
Publication of JP3840013B2 publication Critical patent/JP3840013B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Sliding-Contact Bearings (AREA)
JP30748499A 1999-10-28 1999-10-28 流体軸受装置 Expired - Fee Related JP3840013B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30748499A JP3840013B2 (ja) 1999-10-28 1999-10-28 流体軸受装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30748499A JP3840013B2 (ja) 1999-10-28 1999-10-28 流体軸受装置

Publications (3)

Publication Number Publication Date
JP2001124067A JP2001124067A (ja) 2001-05-08
JP2001124067A5 JP2001124067A5 (enExample) 2005-04-07
JP3840013B2 true JP3840013B2 (ja) 2006-11-01

Family

ID=17969652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30748499A Expired - Fee Related JP3840013B2 (ja) 1999-10-28 1999-10-28 流体軸受装置

Country Status (1)

Country Link
JP (1) JP3840013B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101048248B1 (ko) 2009-07-28 2011-07-08 엘지이노텍 주식회사 스핀들 모터

Also Published As

Publication number Publication date
JP2001124067A (ja) 2001-05-08

Similar Documents

Publication Publication Date Title
US7015611B2 (en) Spindle motor and recording disk driving apparatus having the spindle motor
US6563243B2 (en) Spindle motor
US8148862B2 (en) Bearing device, spindle motor and disk drive apparatus
JP2002136031A (ja) ブラシレスモータ及びその製造方法
US6741001B2 (en) Spindle motor and bearing assembly
JP5519314B2 (ja) 回転機器
JP3774080B2 (ja) 動圧型軸受ユニット
JP3840013B2 (ja) 流体軸受装置
JP3983435B2 (ja) 動圧型軸受ユニット
JP4080229B2 (ja) 動圧軸受、スピンドルモータ及び記録ディスク駆動装置
JP4661014B2 (ja) 動圧軸受装置および当該動圧軸受装置を備えたスピンドルモータ
JP4063600B2 (ja) 動圧軸受電動機
JP2001241431A (ja) 流体軸受装置
JP2003032945A (ja) 情報記録再生装置
JP2003023751A (ja) 記録ディスク駆動用モータ
JP2005192385A (ja) スピンドルモータ
JP2002101610A (ja) 磁気ディスク装置及びモータ
JP2001309609A (ja) スピンドルモータ
JP3942372B2 (ja) 動圧型軸受ユニット及びその製造方法
JP3974384B2 (ja) モータ及びディスク装置
JPH06137321A (ja) 軸受装置
JP3997115B2 (ja) 流体軸受装置
JPH11275798A (ja) 磁気ディスク型記憶装置の駆動装置
JPH05130764A (ja) スピンドルモータ
JP2003028148A (ja) 情報記録再生装置および情報記録再生装置の製造方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040525

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20040525

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050201

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050401

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20050523

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060425

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060626

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20060801

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20060804

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090811

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100811

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees