JP2013179727A - 回転機器 - Google Patents

回転機器 Download PDF

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Publication number
JP2013179727A
JP2013179727A JP2012040984A JP2012040984A JP2013179727A JP 2013179727 A JP2013179727 A JP 2013179727A JP 2012040984 A JP2012040984 A JP 2012040984A JP 2012040984 A JP2012040984 A JP 2012040984A JP 2013179727 A JP2013179727 A JP 2013179727A
Authority
JP
Japan
Prior art keywords
shaft
flange
peripheral surface
rotating device
top cover
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
JP2012040984A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013179727A5 (enExample
Inventor
Mitsuo Kodama
光生 児玉
Takehito Nonaka
剛人 野中
Ryusuke Sugiki
隆介 杉木
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.)
Samsung Electro Mechanics Japan Advanced Technology Co Ltd
Original Assignee
Samsung Electro Mechanics Japan Advanced Technology 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 Samsung Electro Mechanics Japan Advanced Technology Co Ltd filed Critical Samsung Electro Mechanics Japan Advanced Technology Co Ltd
Priority to JP2012040984A priority Critical patent/JP2013179727A/ja
Priority to US13/777,677 priority patent/US20130234552A1/en
Publication of JP2013179727A publication Critical patent/JP2013179727A/ja
Publication of JP2013179727A5 publication Critical patent/JP2013179727A5/ja
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1677—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • 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
    • 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
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • 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
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • 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
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • F16C33/741—Sealings of sliding-contact bearings by means of a fluid
    • F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
    • F16C33/745—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by capillary action

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sealing Of Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
  • Motor Or Generator Frames (AREA)
JP2012040984A 2012-02-28 2012-02-28 回転機器 Pending JP2013179727A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012040984A JP2013179727A (ja) 2012-02-28 2012-02-28 回転機器
US13/777,677 US20130234552A1 (en) 2012-02-28 2013-02-26 Rotating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012040984A JP2013179727A (ja) 2012-02-28 2012-02-28 回転機器

Publications (2)

Publication Number Publication Date
JP2013179727A true JP2013179727A (ja) 2013-09-09
JP2013179727A5 JP2013179727A5 (enExample) 2015-02-26

Family

ID=49113459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012040984A Pending JP2013179727A (ja) 2012-02-28 2012-02-28 回転機器

Country Status (2)

Country Link
US (1) US20130234552A1 (enExample)
JP (1) JP2013179727A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116323762A (zh) * 2020-10-26 2023-06-23 三菱瓦斯化学株式会社 聚酰亚胺树脂、聚酰亚胺清漆和聚酰亚胺薄膜

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9371859B2 (en) * 2008-05-08 2016-06-21 Seagate Technology Llc Motor including reservoir and hub cap
JP2013133865A (ja) * 2011-12-26 2013-07-08 Samsung Electro-Mechanics Japan Advanced Technology Co Ltd 流体動圧軸受ユニットおよび回転機器
US8773816B1 (en) * 2013-03-13 2014-07-08 Nidec Corporation Spindle motor with hydrodynamic bearing structure having capillary seal and disk drive apparatus including same
JP2014173655A (ja) * 2013-03-08 2014-09-22 Samsung Electromechanics Japan Advanced Technology Co Ltd ディスク駆動装置
JP2014219065A (ja) * 2013-05-09 2014-11-20 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
JP2015043249A (ja) 2013-07-23 2015-03-05 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
US9165594B2 (en) * 2013-09-24 2015-10-20 Nidec Corporation Spindle motor and disk drive apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0366546U (enExample) * 1989-10-31 1991-06-27
JPH10304635A (ja) * 1997-04-22 1998-11-13 Sanyo Electric Co Ltd キャプスタンモータ
JP2000316249A (ja) * 1999-04-28 2000-11-14 Nippon Densan Corp ディスク駆動装置
JP2003018787A (ja) * 2001-06-29 2003-01-17 Matsushita Electric Ind Co Ltd ブラシレスモータ
JP2004293685A (ja) * 2003-03-27 2004-10-21 Victor Co Of Japan Ltd 動圧軸受ユニット及びそれを用いたモータ
JP2005121052A (ja) * 2003-10-14 2005-05-12 Ntn Corp 動圧軸受装置
JP2010164123A (ja) * 2009-01-15 2010-07-29 Crd Kk 軸固定型流体動圧軸受装置およびこれを備えたスピンドルモータおよび記録ディスク装置
US20110123139A1 (en) * 2009-11-25 2011-05-26 Nidec Corporation Dynamic pressure bearing and spindle motor using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347189A (en) * 1991-09-25 1994-09-13 Nippon Densan Corporation Spindle motor with labyrinth sealed bearing
WO1993015545A1 (en) * 1992-01-24 1993-08-05 Hajec Chester S Disk spindle motor
US7262935B2 (en) * 2002-11-07 2007-08-28 Seagate Technology Llc Top cover attached single plate fluid dynamic bearing motor
JP2005127405A (ja) * 2003-10-23 2005-05-19 Victor Co Of Japan Ltd 動圧流体軸受モータ及びそれを備えたディスク駆動装置
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0366546U (enExample) * 1989-10-31 1991-06-27
JPH10304635A (ja) * 1997-04-22 1998-11-13 Sanyo Electric Co Ltd キャプスタンモータ
JP2000316249A (ja) * 1999-04-28 2000-11-14 Nippon Densan Corp ディスク駆動装置
JP2003018787A (ja) * 2001-06-29 2003-01-17 Matsushita Electric Ind Co Ltd ブラシレスモータ
JP2004293685A (ja) * 2003-03-27 2004-10-21 Victor Co Of Japan Ltd 動圧軸受ユニット及びそれを用いたモータ
JP2005121052A (ja) * 2003-10-14 2005-05-12 Ntn Corp 動圧軸受装置
US20070104400A1 (en) * 2003-10-14 2007-05-10 Ntn Corporation Dynamic bearing device
JP2010164123A (ja) * 2009-01-15 2010-07-29 Crd Kk 軸固定型流体動圧軸受装置およびこれを備えたスピンドルモータおよび記録ディスク装置
US20110123139A1 (en) * 2009-11-25 2011-05-26 Nidec Corporation Dynamic pressure bearing and spindle motor using the same
JP2011133105A (ja) * 2009-11-25 2011-07-07 Nippon Densan Corp 動圧軸受およびそれを用いたスピンドルモータ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116323762A (zh) * 2020-10-26 2023-06-23 三菱瓦斯化学株式会社 聚酰亚胺树脂、聚酰亚胺清漆和聚酰亚胺薄膜

Also Published As

Publication number Publication date
US20130234552A1 (en) 2013-09-12

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