JP2013032835A - ファン - Google Patents

ファン Download PDF

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Publication number
JP2013032835A
JP2013032835A JP2012106371A JP2012106371A JP2013032835A JP 2013032835 A JP2013032835 A JP 2013032835A JP 2012106371 A JP2012106371 A JP 2012106371A JP 2012106371 A JP2012106371 A JP 2012106371A JP 2013032835 A JP2013032835 A JP 2013032835A
Authority
JP
Japan
Prior art keywords
sleeve
gap
radial
dynamic pressure
thrust
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
JP2012106371A
Other languages
English (en)
Japanese (ja)
Inventor
Teiichi Hirono
禎一 廣野
Tomohiro Hasegawa
朋広 長谷川
Shinichiro Noda
慎一朗 野田
Shoji Ikegami
祥治 池上
Masafumi Fujimoto
将文 藤本
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.)
Nidec Corp
Original Assignee
Nidec 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 Nidec Corp filed Critical Nidec Corp
Priority to JP2012106371A priority Critical patent/JP2013032835A/ja
Priority to US13/495,418 priority patent/US20130004347A1/en
Priority to CN2012203144928U priority patent/CN202833209U/zh
Priority to CN201210225547.2A priority patent/CN102852831B/zh
Publication of JP2013032835A publication Critical patent/JP2013032835A/ja
Pending legal-status Critical Current

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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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • 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
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sliding-Contact Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Of Bearings (AREA)
  • Motor Or Generator Frames (AREA)
JP2012106371A 2011-06-30 2012-05-08 ファン Pending JP2013032835A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2012106371A JP2013032835A (ja) 2011-06-30 2012-05-08 ファン
US13/495,418 US20130004347A1 (en) 2011-06-30 2012-06-13 Fan
CN2012203144928U CN202833209U (zh) 2011-06-30 2012-06-29 风扇
CN201210225547.2A CN102852831B (zh) 2011-06-30 2012-06-29 风扇

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011146391 2011-06-30
JP2011146391 2011-06-30
JP2012106371A JP2013032835A (ja) 2011-06-30 2012-05-08 ファン

Publications (1)

Publication Number Publication Date
JP2013032835A true JP2013032835A (ja) 2013-02-14

Family

ID=47390878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012106371A Pending JP2013032835A (ja) 2011-06-30 2012-05-08 ファン

Country Status (3)

Country Link
US (1) US20130004347A1 (zh)
JP (1) JP2013032835A (zh)
CN (2) CN202833209U (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013032835A (ja) * 2011-06-30 2013-02-14 Nippon Densan Corp ファン
CN104421174B (zh) * 2013-08-21 2017-07-04 台达电子工业股份有限公司 内转子式风扇
CN106704204B (zh) * 2015-07-24 2020-05-08 浙江三花汽车零部件有限公司 电子泵
CN105204223B (zh) * 2015-10-30 2019-05-03 京东方科技集团股份有限公司 一种基板的制作方法、基板和显示装置
CN105261654B (zh) * 2015-11-05 2018-12-28 京东方科技集团股份有限公司 低温多晶硅薄膜晶体管及制作方法、阵列基板、显示面板
US20200309191A1 (en) * 2019-03-29 2020-10-01 Nidec Corporation Gas dynamic pressure bearing, motor, and fan motor
CN110217046B (zh) * 2019-06-19 2024-07-26 陕西汉德车桥有限公司 一种用于商用车的轻量化高强度轮毂
CN110671355A (zh) * 2019-10-17 2020-01-10 苏州顺福利智能科技有限公司 含油轴承马达新结构
CN112217322B (zh) * 2020-01-20 2022-03-01 江苏鼎智智能控制科技股份有限公司 定子组件及使用该定子组件的注塑步进电机
CN112021264A (zh) * 2020-09-11 2020-12-04 四川省农业科学院蚕业研究所 智能调控单闭环式大蚕全自动养蚕机
JP2022079358A (ja) * 2020-11-16 2022-05-26 株式会社豊田自動織機 流体機械
CN112901538B (zh) * 2021-03-19 2022-10-14 马冲 一种节能磁悬浮风机
CN113210804A (zh) * 2021-05-28 2021-08-06 广东集雅电器有限公司 一种直流焊接电路系统
CN115534758B (zh) * 2022-10-19 2024-07-30 中国重汽集团济南动力有限公司 混动汽车热管理系统及混动汽车

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2322915B (en) * 1997-03-06 2001-06-06 Ntn Toyo Bearing Co Ltd Hydrodynamic type porous oil-impregnated bearing
JP2000045990A (ja) * 1998-07-30 2000-02-15 Sharp Corp モータ一体型スラスト軸受装置
DE29914693U1 (de) * 1998-09-01 2000-01-13 Papst Motoren Gmbh & Co Kg Axiallüfter mit einem Aussenläufer-Antriebsmotor
JP4236891B2 (ja) * 2002-09-26 2009-03-11 Ｎｔｎ株式会社 動圧軸受装置
JP2005042838A (ja) * 2003-07-23 2005-02-17 Ntn Corp 流体軸受装置
JP4302463B2 (ja) * 2003-08-18 2009-07-29 Ｎｔｎ株式会社 流体軸受装置及びその製造方法
US7145275B2 (en) * 2004-12-20 2006-12-05 Asia Vital Component Co., Ltd. Bearing with auxiliary magnetism
JP2007333135A (ja) * 2006-06-16 2007-12-27 Matsushita Electric Ind Co Ltd 流体軸受式回転装置
JP2008008368A (ja) * 2006-06-28 2008-01-17 Ntn Corp 動圧軸受装置
JP2009007957A (ja) * 2007-06-26 2009-01-15 Panasonic Electric Works Co Ltd 遠心ポンプ
US9093108B2 (en) * 2007-09-22 2015-07-28 Seagate Technology Llc Fluid dynamic bearing and pumping seal
JP5274820B2 (ja) * 2007-12-07 2013-08-28 Ｎｔｎ株式会社 流体軸受装置
JP4705122B2 (ja) * 2008-03-03 2011-06-22 日本電産サーボ株式会社 モータおよび送風ファン
WO2010004828A1 (ja) * 2008-07-08 2010-01-14 Ntn株式会社 流体動圧軸受装置
JP2013032835A (ja) * 2011-06-30 2013-02-14 Nippon Densan Corp ファン

Also Published As

Publication number Publication date
CN202833209U (zh) 2013-03-27
US20130004347A1 (en) 2013-01-03
CN102852831A (zh) 2013-01-02
CN102852831B (zh) 2015-06-10

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