SG115343A1 - Spindle motor - Google Patents

Spindle motor

Info

Publication number
SG115343A1
SG115343A1 SG200003420A SG200003420A SG115343A1 SG 115343 A1 SG115343 A1 SG 115343A1 SG 200003420 A SG200003420 A SG 200003420A SG 200003420 A SG200003420 A SG 200003420A SG 115343 A1 SG115343 A1 SG 115343A1
Authority
SG
Singapore
Prior art keywords
spindle motor
spindle
motor
Prior art date
Application number
SG200003420A
Other languages
English (en)
Inventor
Hyun Jeong Dae
Original Assignee
Samsung Electro Mech
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 Mech filed Critical Samsung Electro Mech
Publication of SG115343A1 publication Critical patent/SG115343A1/en

Links

Classifications

    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • 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
    • 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
    • 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
    • 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
    • H02K5/1675—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 rotary shaft at only one end of the rotor
    • 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)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Rotational Drive Of Disk (AREA)
  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
SG200003420A 2000-03-17 2000-06-16 Spindle motor SG115343A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020000013610A KR100330711B1 (ko) 2000-03-17 2000-03-17 스핀들 모터

Publications (1)

Publication Number Publication Date
SG115343A1 true SG115343A1 (en) 2005-10-28

Family

ID=19656165

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200003420A SG115343A1 (en) 2000-03-17 2000-06-16 Spindle motor

Country Status (5)

Country Link
US (1) US6316857B1 (ko)
JP (1) JP2001268844A (ko)
KR (1) KR100330711B1 (ko)
CN (1) CN1168190C (ko)
SG (1) SG115343A1 (ko)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10037077A1 (de) * 2000-07-27 2002-02-28 Paul Mueller Gmbh & Co Kg Dynamische Gaslagerung einer Motorspindel mit Entlüftung
US6712514B2 (en) * 2000-08-23 2004-03-30 Ntn Corporation Hydrodynamic bearing unit
DE10121769A1 (de) * 2001-05-04 2002-12-05 Bosch Gmbh Robert Maschinengehäuse
JP2002354747A (ja) * 2001-05-21 2002-12-06 Sony Corp スピンドルモータとディスク記憶装置
JP2002354742A (ja) * 2001-05-22 2002-12-06 Matsushita Electric Ind Co Ltd スピンドルモータ
JP3925155B2 (ja) * 2001-10-24 2007-06-06 ソニー株式会社 軸受けユニットおよび軸受けユニットを有するモータ
KR100403784B1 (ko) * 2001-11-29 2003-10-30 (주)지엔더블유테크놀러지 단차를 통한 예압 발생구조의 조합형 동압베어링 스핀들모터
US6998745B2 (en) * 2002-03-12 2006-02-14 Minebea Co., Ltd. Dynamo-electric machine having a rotor with first and second axially or rotationally displacable field magnets
US6838795B2 (en) * 2002-05-01 2005-01-04 Seagate Technology Llc Low velocity, high pressure thrust pump
JP3828457B2 (ja) * 2002-06-13 2006-10-04 日本電産株式会社 スピンドルモータ及びこれを備えたディスク駆動装置
JP4236891B2 (ja) 2002-09-26 2009-03-11 Ｎｔｎ株式会社 動圧軸受装置
US7160031B2 (en) * 2003-11-20 2007-01-09 Matsushita Electric Industrial Co., Ltd. Thrust dynamic pressure bearing, spindle motor using the same, and information recording and reproducing apparatus using them
JP2005226780A (ja) * 2004-02-13 2005-08-25 Sony Corp 軸受ユニット、軸受ユニットを有するモータ及び電子機器
JP2006022931A (ja) * 2004-07-09 2006-01-26 Matsushita Electric Ind Co Ltd スピンドルモータ
US20080211334A1 (en) * 2004-07-09 2008-09-04 Yasunori Tokuno Spindle motor
KR100576873B1 (ko) * 2004-09-21 2006-05-10 삼성전기주식회사 유체동압베어링 스핀들모터
CN100413182C (zh) * 2004-12-13 2008-08-20 财团法人工业技术研究院 电动机构造
KR100608515B1 (ko) * 2005-04-19 2006-08-03 에이테크솔루션(주) 그루브가 스러스트베어링의 외경면에 형성된 초박형스핀들모터
JP2006300245A (ja) * 2005-04-21 2006-11-02 Matsushita Electric Ind Co Ltd 動圧流体軸受装置
WO2006123773A1 (ja) * 2005-05-19 2006-11-23 Matsushita Electric Industrial Co., Ltd. スピンドルモータおよびそれを用いたディスク駆動装置
GB2435675B (en) * 2006-03-02 2011-02-09 Boc Group Plc Rotor assembly
KR100660180B1 (ko) 2006-03-20 2006-12-20 에이테크솔루션(주) 슬리브와 샤프트의 결합구조가 개선된하드디스크드라이브용 스핀들모터
US7637663B2 (en) * 2006-06-15 2009-12-29 Hitachi Global Storage Technologies Netherlands B.V. Fluid bearing with a variable depth groove
US7663278B2 (en) * 2006-06-15 2010-02-16 Hitachi Global Storage Technologies Netherlands B.V. Fluid bearing with a variable width groove
KR100863938B1 (ko) * 2007-01-31 2008-10-16 에이테크솔루션(주) 하드디스크드라이브용 스핀들모터
CA2702093A1 (en) * 2007-10-09 2009-04-16 Martin Sentmanat Compact non-contact mechanical coupling, damping and/or load bearing device
US8157447B2 (en) * 2008-04-13 2012-04-17 Seagate Technology Llc Groove configuration for a fluid dynamic bearing
KR101009142B1 (ko) * 2008-12-16 2011-01-18 삼성전기주식회사 스핀들모터
BRPI0924601A2 (pt) * 2009-07-08 2016-03-01 Mitsubishi Electric Corp motor para um veículo
DE102010001538A1 (de) * 2010-02-03 2011-08-04 Trumpf Maschinen Ag Gaslaser mit Radial- und Axialgaslager
KR101119350B1 (ko) * 2010-05-17 2012-03-06 삼성전기주식회사 스핀들모터
KR20130048826A (ko) * 2011-11-03 2013-05-13 삼성전기주식회사 베어링 어셈블리 및 이를 포함하는 모터
DE102013208295A1 (de) * 2013-05-06 2014-11-06 Robert Bosch Gmbh Anlaufpilz, sowie elektrische Maschine aufweisend einen solchen
KR101514547B1 (ko) 2013-10-02 2015-04-22 삼성전기주식회사 스핀들 모터 및 이를 포함하는 하드 디스크 드라이브
CN105822660B (zh) * 2016-05-03 2018-07-03 西安交通大学 一种高压区耦合的槽式制冷剂动压流体无油润滑轴承副
CN111594548B (zh) * 2020-07-06 2023-09-19 德本恒嘉精机(昆山)有限公司 一种静压轴承轴承套
CN112186940A (zh) * 2020-09-11 2021-01-05 珠海凯邦电机制造有限公司 一种塑封端盖及电机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09166145A (ja) * 1995-12-13 1997-06-24 Hitachi Ltd 動圧軸受装置およびこれを用いたスピンドルモータ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0833520B2 (ja) * 1987-12-08 1996-03-29 松下電器産業株式会社 回転体支持装置
JPH01154116A (ja) * 1987-12-11 1989-06-16 Matsushita Electric Ind Co Ltd 回転体支持装置
JPH0328516A (ja) * 1989-06-23 1991-02-06 Ebara Corp 空気動圧型スラスト軸受
JP3099033B2 (ja) 1992-01-30 2000-10-16 株式会社荏原製作所 軸受装置
JPH05240241A (ja) 1992-02-28 1993-09-17 Ebara Corp スピンドルモータ
US5433529A (en) * 1994-08-02 1995-07-18 Synektron Corporation Fluid bearing construction employing thrust plate with pressure compensation ports
JP3696672B2 (ja) * 1994-10-26 2005-09-21 光洋精工株式会社 動圧軸受およびその製造方法
JP3411421B2 (ja) * 1995-03-31 2003-06-03 松下電器産業株式会社 スピンドルモータ用スラスト板の製造方法
US5688053A (en) * 1995-08-31 1997-11-18 Konica Corporation Dynamic pressure bearing
JPH10184667A (ja) * 1996-12-25 1998-07-14 Koyo Seiko Co Ltd スラスト動圧軸受
JP3184794B2 (ja) * 1997-12-18 2001-07-09 セイコーインスツルメンツ株式会社 スピンドルモータ、及びスピンドルモータを回転体の駆動源とする回転体装置
JP3652875B2 (ja) * 1998-03-26 2005-05-25 日本電産株式会社 モータ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09166145A (ja) * 1995-12-13 1997-06-24 Hitachi Ltd 動圧軸受装置およびこれを用いたスピンドルモータ

Also Published As

Publication number Publication date
JP2001268844A (ja) 2001-09-28
KR20010091672A (ko) 2001-10-23
CN1314741A (zh) 2001-09-26
CN1168190C (zh) 2004-09-22
KR100330711B1 (ko) 2002-04-03
US6316857B1 (en) 2001-11-13

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