JP5718090B2 - 回転機器 - Google Patents

回転機器 Download PDF

Info

Publication number
JP5718090B2
JP5718090B2 JP2011036323A JP2011036323A JP5718090B2 JP 5718090 B2 JP5718090 B2 JP 5718090B2 JP 2011036323 A JP2011036323 A JP 2011036323A JP 2011036323 A JP2011036323 A JP 2011036323A JP 5718090 B2 JP5718090 B2 JP 5718090B2
Authority
JP
Japan
Prior art keywords
peripheral surface
base
outer peripheral
rotating body
seal
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
JP2011036323A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012172781A (ja
JP2012172781A5 (enExample
Inventor
後藤　廣光
廣光 後藤
和義 永井
和義 永井
Original Assignee
サムスン電機ジャパンアドバンスドテクノロジー株式会社
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 サムスン電機ジャパンアドバンスドテクノロジー株式会社 filed Critical サムスン電機ジャパンアドバンスドテクノロジー株式会社
Priority to JP2011036323A priority Critical patent/JP5718090B2/ja
Priority to US13/372,213 priority patent/US20120212092A1/en
Publication of JP2012172781A publication Critical patent/JP2012172781A/ja
Publication of JP2012172781A5 publication Critical patent/JP2012172781A5/ja
Application granted granted Critical
Publication of JP5718090B2 publication Critical patent/JP5718090B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G11B19/2036—Motors characterized by fluid-dynamic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Sealing Of Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
JP2011036323A 2011-02-22 2011-02-22 回転機器 Expired - Fee Related JP5718090B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011036323A JP5718090B2 (ja) 2011-02-22 2011-02-22 回転機器
US13/372,213 US20120212092A1 (en) 2011-02-22 2012-02-13 Rotating device having a rotor and a stator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011036323A JP5718090B2 (ja) 2011-02-22 2011-02-22 回転機器

Publications (3)

Publication Number Publication Date
JP2012172781A JP2012172781A (ja) 2012-09-10
JP2012172781A5 JP2012172781A5 (enExample) 2014-03-13
JP5718090B2 true JP5718090B2 (ja) 2015-05-13

Family

ID=46652171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011036323A Expired - Fee Related JP5718090B2 (ja) 2011-02-22 2011-02-22 回転機器

Country Status (2)

Country Link
US (1) US20120212092A1 (enExample)
JP (1) JP5718090B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104684651B (zh) 2012-10-01 2018-04-17 固瑞克明尼苏达有限公司 用于静电喷枪的交流发电机
JP2014103765A (ja) 2012-11-20 2014-06-05 Samsung Electromechanics Japan Advanced Technology Co Ltd 回転機器
US9082448B2 (en) * 2013-01-29 2015-07-14 Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. Disk drive device with structure that can suppress vaporization and diffusion of lubricant
US9082449B2 (en) * 2013-05-30 2015-07-14 Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. Disk drive device with structure that enables thinning and increase of recording capacity
JP2015056908A (ja) * 2013-09-10 2015-03-23 日本電産株式会社 スピンドルモータおよびディスク駆動装置
US9273729B2 (en) 2013-10-01 2016-03-01 Seagate Technology Llc Apparatuses and methods having a bearing shield arrangement
JP2015100209A (ja) 2013-11-19 2015-05-28 サムスン電機ジャパンアドバンスドテクノロジー株式会社 回転機器
CN104898255B (zh) * 2015-02-13 2017-06-13 玉晶光电(厦门)有限公司 便携式电子装置与其光学成像镜头
JP2023162915A (ja) * 2022-04-27 2023-11-09 ニデック株式会社 モータ、ディスク駆動装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3004512B2 (ja) * 1993-10-06 2000-01-31 光洋精工株式会社 動圧軸受装置
KR100716833B1 (ko) * 2006-04-03 2007-05-09 삼성전기주식회사 초박형 스핀들모터
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
JP5289992B2 (ja) * 2009-01-30 2013-09-11 サムスン電機ジャパンアドバンスドテクノロジー株式会社 ディスク駆動装置
JP5233854B2 (ja) * 2009-06-12 2013-07-10 日本電産株式会社 軸受装置、スピンドルモータ、及びディスク駆動装置
JP5519196B2 (ja) * 2009-06-24 2014-06-11 サムスン電機ジャパンアドバンスドテクノロジー株式会社 ディスク駆動装置
JP5230020B2 (ja) * 2009-11-19 2013-07-10 サムスン電機ジャパンアドバンスドテクノロジー株式会社 ハードディスク装置用スピンドルモータ

Also Published As

Publication number Publication date
JP2012172781A (ja) 2012-09-10
US20120212092A1 (en) 2012-08-23

Similar Documents

Publication Publication Date Title
JP5718090B2 (ja) 回転機器
US6834996B2 (en) Motor with dynamic pressure bearing
JP5636181B2 (ja) ディスク駆動装置
US7745968B2 (en) Motor and disc drive with motor
JP2011163502A (ja) 回転機器
JP2009008200A (ja) 流体軸受装置およびスピンドルモータ
JP2014033487A (ja) 回転機器
JP2008092790A (ja) モータ及び同モータを備えたディスク駆動装置
JP5652676B2 (ja) スピンドルモータ及びそれを含むハードディスクドライブ
JP2014105783A (ja) 回転機器
JP5342959B2 (ja) ディスク駆動装置
JP2014060909A (ja) スピンドルモータ及びこれを含むハードディスクドライブ
JP2014060910A (ja) スピンドルモータ及びそれを含むハードディスクドライブ
JP2009268264A (ja) スピンドルモータおよびディスク駆動装置
JP2006153269A (ja) 動圧軸受装置
JP2014040893A (ja) 回転機器
JP2010281349A (ja) ディスク駆動装置
JP5306086B2 (ja) ディスク駆動装置
JP2010053906A (ja) 流体軸受装置およびこれを備えたスピンドルモータ、情報処理装置
US20060176612A1 (en) Motor and Recording Disk Driving Device
JP2012163203A (ja) 回転機器
US20130194907A1 (en) Rotating device
JP2014032713A (ja) 回転機器
JP2014108016A (ja) 回転機器
JP2014103765A (ja) 回転機器

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20131211

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140123

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20140206

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140827

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140901

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140918

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: 20150311

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150318

R150 Certificate of patent or registration of utility model

Ref document number: 5718090

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees