IN2014DN09840A - - Google Patents

Download PDF

Info

Publication number
IN2014DN09840A
IN2014DN09840A IN9840DEN2014A IN2014DN09840A IN 2014DN09840 A IN2014DN09840 A IN 2014DN09840A IN 9840DEN2014 A IN9840DEN2014 A IN 9840DEN2014A IN 2014DN09840 A IN2014DN09840 A IN 2014DN09840A
Authority
IN
India
Prior art keywords
bearing
end surface
bearing member
gap
housing
Prior art date
Application number
Other languages
English (en)
Inventor
Shinji Komatsubara
Tetsuya Kurimura
Original Assignee
Ntn Toyo Bearing 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 Ntn Toyo Bearing Co Ltd filed Critical Ntn Toyo Bearing Co Ltd
Publication of IN2014DN09840A publication Critical patent/IN2014DN09840A/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
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and 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
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/02—Sliding-contact bearings
    • F16C25/04—Sliding-contact bearings self-adjusting
    • F16C25/045—Sliding-contact bearings self-adjusting with magnetic means to preload the bearing
    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
    • F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
    • F16C32/0651—Details of the bearing area per se
    • F16C32/0659—Details of the bearing area per se of pockets or 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
    • 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
    • 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
    • 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
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/46—Fans, e.g. ventilators
    • 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
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • 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
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
    • 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
    • F16C33/1085—Channels or passages to recirculate the liquid in the bearing
    • 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
    • F16C43/00—Assembling bearings
    • F16C43/02—Assembling sliding-contact bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Power Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sealing Of Bearings (AREA)
IN9840DEN2014 2012-06-18 2013-05-22 IN2014DN09840A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012136834A JP5951365B2 (ja) 2012-06-18 2012-06-18 流体動圧軸受装置及びこれを備えるモータ
PCT/JP2013/064178 WO2013190942A1 (ja) 2012-06-18 2013-05-22 流体動圧軸受装置及びこれを備えるモータ

Publications (1)

Publication Number Publication Date
IN2014DN09840A true IN2014DN09840A (pt) 2015-08-07

Family

ID=49768547

Family Applications (1)

Application Number Title Priority Date Filing Date
IN9840DEN2014 IN2014DN09840A (pt) 2012-06-18 2013-05-22

Country Status (7)

Country Link
US (1) US9353790B2 (pt)
EP (1) EP2863077B1 (pt)
JP (1) JP5951365B2 (pt)
KR (1) KR102020251B1 (pt)
CN (1) CN104411988B (pt)
IN (1) IN2014DN09840A (pt)
WO (1) WO2013190942A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8618706B2 (en) * 2008-12-04 2013-12-31 Seagate Technology Llc Fluid pumping capillary seal for a fluid dynamic bearing
JP6100046B2 (ja) 2013-03-19 2017-03-22 Ntn株式会社 流体動圧軸受装置およびこれを備えるモータ
JP6502036B2 (ja) * 2014-08-05 2019-04-17 Ntn株式会社 流体動圧軸受装置及びこれを備えるモータ
JP6502068B2 (ja) * 2014-11-20 2019-04-17 Ntn株式会社 流体動圧軸受装置の製造方法
JP2017166575A (ja) * 2016-03-16 2017-09-21 Ntn株式会社 動圧軸受及びその製造方法
JP6762611B2 (ja) * 2016-12-14 2020-09-30 東京パーツ工業株式会社 軸受装置及びブラシレスモータ
JP6574826B2 (ja) * 2017-11-10 2019-09-11 大同メタル工業株式会社 半割スラスト軸受、スラスト軸受、軸受装置および内燃機関
CN109660057A (zh) * 2018-12-22 2019-04-19 泉州鑫鸿海机械设备有限公司 一种单向旋转永磁高速电机及其双向空气轴承
KR20200122498A (ko) * 2019-04-18 2020-10-28 한화파워시스템 주식회사 반경하중 지지 장치

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3123283B2 (ja) * 1993-01-29 2001-01-09 松下電器産業株式会社 ディスク駆動装置
JP3206191B2 (ja) * 1993-03-15 2001-09-04 松下電器産業株式会社 スピンドルモータおよびその組立方法
US6390681B1 (en) * 1999-04-05 2002-05-21 Ntn Corporation Dynamic pressure bearing-unit
JP4481475B2 (ja) * 2000-11-02 2010-06-16 東北リコー株式会社 動圧型軸受ユニット
JP2002364637A (ja) * 2001-06-07 2002-12-18 Matsushita Electric Ind Co Ltd 動圧気体軸受装置
JP3686630B2 (ja) * 2002-05-21 2005-08-24 Ｎｔｎ株式会社 動圧軸受装置
US7095147B2 (en) * 2003-01-21 2006-08-22 Seagate Technology Llc Single thrust magnetically biased fully recirculating self purging fluid dynamic bearing motor
JP2004144284A (ja) * 2002-08-28 2004-05-20 Seiko Instruments Inc 流体動圧軸受装置、モータ、および記録媒体駆動装置
US20060252659A1 (en) * 2003-06-27 2006-11-09 Shinji Kinoshita Lubricating oil for dynamic fluid-pressure bearing, dynamic-fluid-pressure bearing, motor, and information recording/reproducing apparatus
US7241050B2 (en) * 2004-07-29 2007-07-10 Matsushita Electric Industrial Co., Ltd. Hydrodynamic bearing device
JP2006170230A (ja) * 2004-12-13 2006-06-29 Matsushita Electric Ind Co Ltd 流体軸受装置の作動流体量検査方法、流体軸受装置およびスピンドルモータ
JP2007024089A (ja) * 2005-07-12 2007-02-01 Ntn Corp 動圧軸受装置およびモータ
TW200717976A (en) * 2005-10-28 2007-05-01 Sunonwealth Electr Mach Ind Co Structure of bearing
JP2007162759A (ja) 2005-12-09 2007-06-28 Matsushita Electric Ind Co Ltd 動圧流体軸受装置、モータ、記録ディスク駆動装置、組み立て用治具
JP2007162922A (ja) * 2005-12-16 2007-06-28 Matsushita Electric Ind Co Ltd 流体軸受式回転装置
JP2008039124A (ja) * 2006-08-09 2008-02-21 Sony Corp 軸受けユニットおよびモータ
JP2008291995A (ja) * 2007-04-26 2008-12-04 Panasonic Corp 流体軸受装置およびこれを備えたスピンドルモータ、情報装置
JP2008309330A (ja) * 2007-05-14 2008-12-25 Panasonic Corp 流体軸受装置およびこれを備えた記録再生装置
KR101009182B1 (ko) * 2008-12-16 2011-01-18 삼성전기주식회사 스핀들모터
JP5335616B2 (ja) * 2009-08-26 2013-11-06 ミネベア株式会社 流体動圧軸受、流体動圧軸受を備えるスピンドルモータ、並びにスピンドルモータを備える記録ディスク駆動装置
KR101320187B1 (ko) * 2010-08-25 2013-10-23 삼성전기주식회사 유체 동압 베어링 어셈블리 및 이를 구비하는 모터
KR20120136975A (ko) * 2011-06-10 2012-12-20 삼성전기주식회사 스핀들 모터
KR20130017325A (ko) * 2011-08-10 2013-02-20 삼성전기주식회사 유체 동압 베어링 어셈블리 및 이를 포함하는 모터
KR20130021692A (ko) * 2011-08-23 2013-03-06 삼성전기주식회사 유체 동압 베어링 어셈블리 및 이의 제조방법
JP2013257034A (ja) * 2012-06-12 2013-12-26 Samsung Electro-Mechanics Co Ltd 流体動圧ベアリングアセンブリー及びその製造方法
KR101514547B1 (ko) * 2013-10-02 2015-04-22 삼성전기주식회사 스핀들 모터 및 이를 포함하는 하드 디스크 드라이브
JP2015105689A (ja) * 2013-11-29 2015-06-08 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
US20150323002A1 (en) * 2014-05-08 2015-11-12 Samsung Electro-Mechanics Co., Ltd. Hydrodynamic bearing device, spindle motor having the same, and recording disk driving device

Also Published As

Publication number Publication date
EP2863077A4 (en) 2016-03-16
KR20150020567A (ko) 2015-02-26
JP5951365B2 (ja) 2016-07-13
CN104411988A (zh) 2015-03-11
JP2014001781A (ja) 2014-01-09
KR102020251B1 (ko) 2019-09-10
US9353790B2 (en) 2016-05-31
WO2013190942A1 (ja) 2013-12-27
US20150147010A1 (en) 2015-05-28
EP2863077A1 (en) 2015-04-22
EP2863077B1 (en) 2018-03-07
CN104411988B (zh) 2017-02-22

Similar Documents

Publication Publication Date Title
IN2014DN09840A (pt)
IN2015DN01676A (pt)
BR112014016595A8 (pt) mancal de deslizamento axial
MX336049B (es) Un ensamble cortador para una tuneladora con compensacion a presion.
WO2009090120A3 (en) Seal and rolling bearing comprising such a seal
BR112017006359A2 (pt) compressor parafuso sem óleo
WO2014197024A3 (en) Full ring curvic seal
WO2009120989A3 (en) High temperature dynamic seal
WO2009103870A3 (fr) Dispositif d'etancheite a codeur magnetique integre comprenant au moins une levre en contact radial frottant
MX353156B (es) Ensamble de cojinete con separador para colocar un manguito de sello.
WO2015022099A8 (de) Behälter mit einem wellengehäuse
MX350899B (es) Conjunto de cojinetes para bomba de turbina vertical.
WO2008117518A1 (ja) 転がり軸受のグリース溜り部品およびグリース溜り付き転がり軸受
UA113012C2 (uk) Блок підшипників для дводискового сошника
WO2011153621A3 (en) Rotating flow control diverter
WO2012018426A3 (en) Low deflection bi-metal rotor seals
RU2009146415A (ru) Буксовый подшипниковый узел
CN204942296U (zh) 组合密封圈
MX342446B (es) Sello de ejes en bombas mediante el uso de anillos selladores y un fuelle para retencion del lubricante de cojinetes.
CN201810673U (zh) 一种外圈带凸缘的满装双列圆柱滚子轴承
CN202040324U (zh) 一种带有凹槽的密封圈
CN203892383U (zh) 一种新型的密封外球面轴承
CN204284457U (zh) 轴承的动静密封防水结构
CN202746594U (zh) 活塞杆密封装置
CN103133540B (zh) 密封件及使用该密封件密封的圆柱滚子轴承