JP3815028B2 - 電動機及びそれを用いたヒートシンク装置 - Google Patents

電動機及びそれを用いたヒートシンク装置 Download PDF

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Publication number
JP3815028B2
JP3815028B2 JP04697598A JP4697598A JP3815028B2 JP 3815028 B2 JP3815028 B2 JP 3815028B2 JP 04697598 A JP04697598 A JP 04697598A JP 4697598 A JP4697598 A JP 4697598A JP 3815028 B2 JP3815028 B2 JP 3815028B2
Authority
JP
Japan
Prior art keywords
sleeve
shaft
oil
frame
electric motor
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 - Lifetime
Application number
JP04697598A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11252859A (ja
JPH11252859A5 (enExample
Inventor
彰友 山下
英一郎 中園
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP04697598A priority Critical patent/JP3815028B2/ja
Priority to US09/253,142 priority patent/US6084328A/en
Publication of JPH11252859A publication Critical patent/JPH11252859A/ja
Publication of JPH11252859A5 publication Critical patent/JPH11252859A5/ja
Application granted granted Critical
Publication of JP3815028B2 publication Critical patent/JP3815028B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sliding-Contact Bearings (AREA)
  • Motor Or Generator Frames (AREA)
JP04697598A 1998-02-27 1998-02-27 電動機及びそれを用いたヒートシンク装置 Expired - Lifetime JP3815028B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP04697598A JP3815028B2 (ja) 1998-02-27 1998-02-27 電動機及びそれを用いたヒートシンク装置
US09/253,142 US6084328A (en) 1998-02-27 1999-02-19 Motor and a heat sink apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04697598A JP3815028B2 (ja) 1998-02-27 1998-02-27 電動機及びそれを用いたヒートシンク装置

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2004036370A Division JP3941784B2 (ja) 2004-02-13 2004-02-13 電動機及びそれを用いたヒートシンク装置
JP2004036366A Division JP4036196B2 (ja) 2004-02-13 2004-02-13 電動機及びそれを用いたヒートシンク装置

Publications (3)

Publication Number Publication Date
JPH11252859A JPH11252859A (ja) 1999-09-17
JPH11252859A5 JPH11252859A5 (enExample) 2005-01-06
JP3815028B2 true JP3815028B2 (ja) 2006-08-30

Family

ID=12762253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04697598A Expired - Lifetime JP3815028B2 (ja) 1998-02-27 1998-02-27 電動機及びそれを用いたヒートシンク装置

Country Status (2)

Country Link
US (1) US6084328A (enExample)
JP (1) JP3815028B2 (enExample)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE38382E1 (en) * 1996-04-04 2004-01-13 Matsushita Electric Industrial Co., Ltd. Heat sink and electronic device employing the same
JPH11252858A (ja) * 1998-02-27 1999-09-17 Matsushita Electric Ind Co Ltd 電動機及びそれを用いたヒートシンク装置
JP3767192B2 (ja) * 1998-09-01 2006-04-19 松下電器産業株式会社 電動機及びそれを用いたヒートシンク装置
GB2357322B (en) * 1999-12-17 2004-05-19 Sunonwealth Electr Mach Ind Co Bearing structures for a motor rotor
JP2002079179A (ja) * 2000-09-11 2002-03-19 Mabuchi Motor Co Ltd 振動発生用小型モータ
JP3615477B2 (ja) * 2000-10-20 2005-02-02 愛知電機株式会社 ブラシレスモータ
JP3994673B2 (ja) * 2001-02-28 2007-10-24 松下電器産業株式会社 ブラシレスモータ
US6354162B1 (en) * 2001-05-30 2002-03-12 General Electric Company Sensor mounting assembly and method
TW519259U (en) * 2001-08-31 2003-01-21 Asia Vital Components Co Ltd Improved structure of DC fan bearing fixation device
CN1646819A (zh) * 2002-04-16 2005-07-27 西铁城时计株式会社 轴承装置以及使用该轴承装置的电机
US20040227416A1 (en) * 2002-05-07 2004-11-18 Shih-Ming Huang Heat-dissipated mechanism for outer-rotor type brushless DC fan motor
JP2004176815A (ja) * 2002-11-27 2004-06-24 Ntn Corp 流体軸受装置
TW568192U (en) * 2003-01-27 2003-12-21 Datech Technology Co Ltd Metal bushing motor to fix in a fan
JP2005027431A (ja) * 2003-07-02 2005-01-27 Nippon Densan Corp モータ
US7659648B2 (en) * 2004-03-10 2010-02-09 Comair Rotron Inc. Motor with raised rotor
JP4476670B2 (ja) * 2004-03-30 2010-06-09 Ｎｔｎ株式会社 流体軸受装置
CN100363630C (zh) * 2004-08-13 2008-01-23 鸿富锦精密工业（深圳）有限公司 风扇改良结构
JP4400510B2 (ja) * 2005-05-19 2010-01-20 パナソニック株式会社 ディスク駆動装置
JP2007064240A (ja) * 2005-08-29 2007-03-15 Matsushita Electric Ind Co Ltd 軸受けスリーブ固定機構、それの製造方法及びそれを備えたファン装置
US7567003B2 (en) * 2006-05-02 2009-07-28 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. Cooling fan
CN100554699C (zh) * 2006-05-19 2009-10-28 富准精密工业(深圳)有限公司 风扇
TWI320624B (en) * 2006-09-06 2010-02-11 Sunonwealth Electr Mach Ind Co Retaining structure for motor components
TWI320623B (en) * 2006-09-06 2010-02-11 Sunonwealth Electr Mach Ind Co Bearing positioning structure for a motor
USD620458S1 (en) * 2006-10-05 2010-07-27 Sunowealth Electric Machine Industry Co., Ltd. Min fan casing
USD589467S1 (en) * 2006-10-05 2009-03-31 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
USD589468S1 (en) * 2006-10-05 2009-03-31 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
USD589007S1 (en) * 2006-10-05 2009-03-24 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
USD589469S1 (en) * 2006-10-05 2009-03-31 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
USD589008S1 (en) * 2006-10-05 2009-03-24 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
TWD128015S1 (zh) * 2006-12-25 2009-03-21 建準電機工業股份有限公司 軸流式微型風扇框(三)
USD589004S1 (en) * 2006-12-25 2009-03-24 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
USD589908S1 (en) * 2006-12-25 2009-04-07 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
USD619973S1 (en) * 2006-12-25 2010-07-20 Sunowealth Electric Machine Industry Co., Ltd. Mini fan casing
CN101392799B (zh) * 2007-09-21 2010-05-26 富准精密工业(深圳)有限公司 含油轴承密封结构和采用该含油轴承密封结构的风扇
US8398307B2 (en) * 2011-07-14 2013-03-19 Asia Vital Components (Shen Zhen) Co., Ltd. Bearing device
KR101188096B1 (ko) * 2012-02-27 2012-10-08 삼성전기주식회사 베어링 조립체 및 이를 이용하는 모터
US20130278116A1 (en) * 2012-04-18 2013-10-24 Samsung Electro-Mechanics Co., Ltd. Brushless dc motor
US20140099200A1 (en) * 2012-10-04 2014-04-10 Adda Corp. Fan structure
JP2014137088A (ja) 2013-01-16 2014-07-28 Nippon Densan Corp 軸受装置、モータおよび送風ファン
TWI534352B (zh) * 2013-10-23 2016-05-21 台達電子工業股份有限公司 薄型風扇
TW201522787A (zh) * 2013-12-03 2015-06-16 Ping-Ling Wang 薄形散熱風扇扇框的整合性結構體及其製造方法
JP6243379B2 (ja) * 2015-07-07 2017-12-06 ミネベアミツミ株式会社 モータ
JP6877185B2 (ja) * 2016-07-14 2021-05-26 Ntn株式会社 流体動圧軸受装置及びこれを備えるモータ
WO2018012186A1 (ja) * 2016-07-14 2018-01-18 Ntn株式会社 流体動圧軸受装置及びこれを備えるモータ
JP2019060472A (ja) 2017-09-28 2019-04-18 日本電産株式会社 軸受装置、モータおよびファンモータ
US11139722B2 (en) 2018-03-02 2021-10-05 Black & Decker Inc. Motor having an external heat sink for a power tool
IT201900000637A1 (it) * 2019-01-15 2020-07-15 Nuovo Pignone Tecnologie Srl Una pompa con un sistema di lubrificazione dei cuscini
TWM582998U (zh) * 2019-05-16 2019-09-01 永動精密有限公司 塑膠框體與含油金屬粉末軸承一體成型之風扇的動壓結構

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0271528A (ja) * 1988-09-07 1990-03-12 Fujitsu Ltd バイポーラ半導体装置の製造方法
JP2744772B2 (ja) * 1995-05-31 1998-04-28 山洋電気株式会社 送風機及び電子部品冷却用送風機
US5925949A (en) * 1997-08-22 1999-07-20 Samsung Electro Mechanics Co., Ltd. Disc drive motor with means to center a disc and limit its axial movement

Also Published As

Publication number Publication date
JPH11252859A (ja) 1999-09-17
US6084328A (en) 2000-07-04

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