CN100434737C - 轴承单元、具有轴承单元的马达和电子设备 - Google Patents

轴承单元、具有轴承单元的马达和电子设备 Download PDF

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Publication number
CN100434737C
CN100434737C CNB2006100908197A CN200610090819A CN100434737C CN 100434737 C CN100434737 C CN 100434737C CN B2006100908197 A CNB2006100908197 A CN B2006100908197A CN 200610090819 A CN200610090819 A CN 200610090819A CN 100434737 C CN100434737 C CN 100434737C
Authority
CN
China
Prior art keywords
bearing
housing
bearing unit
axle
rotatingshaft
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
CNB2006100908197A
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English (en)
Chinese (zh)
Other versions
CN1884863A (zh
Inventor
矢泽健一郎
金子猛
佐藤弘史
柿沼义昭
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN1884863A publication Critical patent/CN1884863A/zh
Application granted granted Critical
Publication of CN100434737C publication Critical patent/CN100434737C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/062—Details of the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/0626—Details of the lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/051—Axial thrust balancing
    • F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/057—Bearings hydrostatic; hydrodynamic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
CNB2006100908197A 2005-06-24 2006-06-26 轴承单元、具有轴承单元的马达和电子设备 Expired - Fee Related CN100434737C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005185601 2005-06-24
JP2005185601A JP2007002949A (ja) 2005-06-24 2005-06-24 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
JP2005-185601 2005-06-24

Publications (2)

Publication Number Publication Date
CN1884863A CN1884863A (zh) 2006-12-27
CN100434737C true CN100434737C (zh) 2008-11-19

Family

ID=37567603

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100908197A Expired - Fee Related CN100434737C (zh) 2005-06-24 2006-06-26 轴承单元、具有轴承单元的马达和电子设备

Country Status (3)

Country Link
US (1) US20060292015A1 (ja)
JP (1) JP2007002949A (ja)
CN (1) CN100434737C (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI339242B (en) * 2007-11-02 2011-03-21 Delta Electronics Inc Fan, motor and oil sealing structure
TW202043618A (zh) * 2016-03-18 2020-12-01 日商威爾柯股份有限公司 管泵、旋轉限制部件、軸體和軸連接結構

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6361214B1 (en) * 1999-08-02 2002-03-26 Nidec Corporation Hydrodynamic-pressure bearing device and motor provided with the hydrodynamic-pressure bearing device
CN1097178C (zh) * 1998-07-17 2002-12-25 皇家菲利浦电子有限公司 包含多孔润滑剂储器的动压带槽轴承
JP2003130043A (ja) * 2001-10-24 2003-05-08 Sony Corp 軸受けユニットおよび軸受けユニットを有するモータ
CN1616839A (zh) * 2003-11-14 2005-05-18 索尼株式会社 轴承单元、以及装有该轴承单元的电机和电子设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2864941B2 (ja) * 1993-04-27 1999-03-08 株式会社日立製作所 回転体軸受装置，モータおよびポリゴンミラーモータ
GB2306583A (en) * 1995-10-28 1997-05-07 Daewoo Electronics Co Ltd Lubricated journal bearing assembly
JP3200556B2 (ja) * 1996-01-30 2001-08-20 株式会社日立製作所 磁性流体軸受ユニットとこれを備えたモータ
US6172847B1 (en) * 1997-03-27 2001-01-09 Nsk Ltd. Rotational assembly for disc drive device having small runout and reduced axial displacement
NL1010020C2 (nl) * 1997-09-08 1999-06-23 Ntn Toyo Bearing Co Ltd Spilmotor en inrichting voor het ondersteunen van de roterende as van een spilmotor.
KR100968163B1 (ko) * 2002-04-23 2010-07-06 엔티엔 가부시키가이샤 유체 베어링 장치
DE202005000155U1 (de) * 2005-01-07 2006-05-18 Minebea Co., Ltd., Kitasaku Fluiddynamisches Lagersystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1097178C (zh) * 1998-07-17 2002-12-25 皇家菲利浦电子有限公司 包含多孔润滑剂储器的动压带槽轴承
US6361214B1 (en) * 1999-08-02 2002-03-26 Nidec Corporation Hydrodynamic-pressure bearing device and motor provided with the hydrodynamic-pressure bearing device
JP2003130043A (ja) * 2001-10-24 2003-05-08 Sony Corp 軸受けユニットおよび軸受けユニットを有するモータ
CN1616839A (zh) * 2003-11-14 2005-05-18 索尼株式会社 轴承单元、以及装有该轴承单元的电机和电子设备

Also Published As

Publication number Publication date
JP2007002949A (ja) 2007-01-11
US20060292015A1 (en) 2006-12-28
CN1884863A (zh) 2006-12-27

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081119