CN1221066C - 电动机 - Google Patents

电动机 Download PDF

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Publication number
CN1221066C
CN1221066C CN01120833.3A CN01120833A CN1221066C CN 1221066 C CN1221066 C CN 1221066C CN 01120833 A CN01120833 A CN 01120833A CN 1221066 C CN1221066 C CN 1221066C
Authority
CN
China
Prior art keywords
iron core
stator core
magnetic
stator
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 - Fee Related
Application number
CN01120833.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN1346169A (zh
Inventor
樋口大辅
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
Sankyo Seiki Manufacturing 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 Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Publication of CN1346169A publication Critical patent/CN1346169A/zh
Application granted granted Critical
Publication of CN1221066C publication Critical patent/CN1221066C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Rotational Drive Of Disk (AREA)
  • Brushless Motors (AREA)
  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
CN01120833.3A 2000-09-29 2001-05-30 电动机 Expired - Fee Related CN1221066C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP301008/00 2000-09-29
JP301008/2000 2000-09-29
JP2000301008A JP3762860B2 (ja) 2000-09-29 2000-09-29 モータ

Publications (2)

Publication Number Publication Date
CN1346169A CN1346169A (zh) 2002-04-24
CN1221066C true CN1221066C (zh) 2005-09-28

Family

ID=18782601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN01120833.3A Expired - Fee Related CN1221066C (zh) 2000-09-29 2001-05-30 电动机

Country Status (3)

Country Link
US (1) US6455961B1 (https=)
JP (1) JP3762860B2 (https=)
CN (1) CN1221066C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244421A (zh) * 2010-05-11 2011-11-16 三星电机株式会社 定子芯和具有该定子芯的主轴电机

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379560B (en) * 2001-03-30 2005-12-14 Sunonwealth Electr Mach Ind Co Supporting structure for a rotor
KR100473492B1 (ko) * 2002-09-12 2005-03-10 삼성전기주식회사 광디스크 드라이버용 스핀들 모터
US6700241B1 (en) * 2002-11-27 2004-03-02 Sunonwealth Electric Machine Industry Co., Ltd. Positioning device for prestressing magnet of spindle motor
KR100474139B1 (ko) * 2002-12-12 2005-03-10 삼성전기주식회사 디스크 드라이버용 스핀들 모터
US6921993B2 (en) * 2003-09-16 2005-07-26 Seagate Technology Llc Geometrically aligning a stator and a base plate for a spindle motor
US7382068B2 (en) 2004-03-15 2008-06-03 Delta Electronics, Inc Spindle motor and stator structure thereof
TWI258912B (en) * 2004-03-15 2006-07-21 Delta Electronics Inc Spindle motor and stator structure thereof
US7436625B1 (en) * 2005-01-11 2008-10-14 Western Digital Technologies, Inc. Disk drive spindle motor having a cavity defined by one of an upper surface of a stator support structure and a lower surface of a stator tooth
JP2006274812A (ja) * 2005-03-28 2006-10-12 Japan Servo Co Ltd 軸流ファン
JP4789492B2 (ja) * 2005-03-28 2011-10-12 日本電産サーボ株式会社 軸流ファン
US7760464B2 (en) * 2005-09-08 2010-07-20 Seagate Technology Llc Base for data storage device with parallelism mounting features
US8084907B2 (en) * 2005-12-12 2011-12-27 Samsung Electro-Mechanics Co., Ltd. Spindle motor having holding magnet preventing oil discharge
US20070159281A1 (en) * 2006-01-10 2007-07-12 Liang Li System and method for assembly of an electromagnetic machine
KR100716833B1 (ko) * 2006-04-03 2007-05-09 삼성전기주식회사 초박형 스핀들모터
JP2008141847A (ja) * 2006-11-30 2008-06-19 Toshiba Corp スピンドルモータおよびこれを備えたディスク装置
KR100999482B1 (ko) * 2008-08-19 2010-12-09 엘지이노텍 주식회사 스핀들 모터
JP5343543B2 (ja) 2008-12-08 2013-11-13 日本電産株式会社 スピンドルモータ及びそれを用いたディスク駆動装置
KR101009153B1 (ko) * 2008-12-19 2011-01-18 삼성전기주식회사 스핀들모터
JP5372629B2 (ja) * 2009-07-09 2013-12-18 日本電産株式会社 ブラシレスモータ
JP2011205880A (ja) * 2010-03-05 2011-10-13 Nippon Densan Corp モータおよびディスク駆動装置
KR101119332B1 (ko) 2010-06-15 2012-03-06 삼성전기주식회사 스핀들모터
KR101196607B1 (ko) * 2010-06-16 2012-11-02 엘지이노텍 주식회사 스핀들 모터
KR20120090521A (ko) * 2011-02-08 2012-08-17 삼성전기주식회사 스핀들 모터
JP5565365B2 (ja) * 2011-04-01 2014-08-06 株式会社デンソー 回転電機のロータおよびその製造方法
KR101188073B1 (ko) * 2011-04-04 2012-10-05 삼성전기주식회사 스핀들 모터
JP6263325B2 (ja) 2011-10-19 2018-01-17 ミネベアミツミ株式会社 ディスク回転用モータおよびこれを備えたディスク駆動装置
KR20140003753A (ko) * 2012-06-27 2014-01-10 삼성전기주식회사 스핀들 모터
DE102013000417A1 (de) * 2013-01-14 2014-07-17 Dorma Gmbh & Co. Kg Antriebseinheit, inbesondere für eine Karusseltür, mit einem elektronisch kommutierten Vielpolmotor
JP6228779B2 (ja) * 2013-07-31 2017-11-08 アスモ株式会社 モータ
JP2016123230A (ja) * 2014-12-25 2016-07-07 日本電産株式会社 スピンドルモータ、およびディスク駆動装置
JP2017184525A (ja) * 2016-03-31 2017-10-05 日本電産株式会社 ステータユニット、モータ、および並列ファン
JP6922500B2 (ja) * 2017-07-14 2021-08-18 日本電産株式会社 モータ
JP7069833B2 (ja) * 2018-02-28 2022-05-18 日本電産株式会社 モータ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5500780A (en) * 1994-08-05 1996-03-19 International Business Machines Corporation Disk drive spindle motor having split windings for each phase
JPH10326452A (ja) * 1997-05-23 1998-12-08 Mitsumi Electric Co Ltd ダイレクトドライブ式モータ
US6104570A (en) * 1998-09-18 2000-08-15 Seagate Technology, Inc. Disc drive spindle motor having tuned stator with adhesive grooves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244421A (zh) * 2010-05-11 2011-11-16 三星电机株式会社 定子芯和具有该定子芯的主轴电机
US8508096B2 (en) 2010-05-11 2013-08-13 Samsung Electro-Mechanics Co., Ltd. Stator core and spindle motor having the same

Also Published As

Publication number Publication date
JP2002112517A (ja) 2002-04-12
CN1346169A (zh) 2002-04-24
US6455961B1 (en) 2002-09-24
JP3762860B2 (ja) 2006-04-05
US20020050749A1 (en) 2002-05-02

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: NIDEC SANKYO CORP.

Free format text: FORMER NAME OR ADDRESS: SANKYO SEIKI MFG. SEISAKUSHO K.K.

CP03 Change of name, title or address

Address after: Nagano

Patentee after: Sankyo Seiki Seisakusho KK

Address before: Nagano

Patentee before: Sankyo Seiki Manufacturing Co., Ltd.

ASS Succession or assignment of patent right

Owner name: NIDEC CORP.

Free format text: FORMER OWNER: NIDEC SANKYO CORP.

Effective date: 20080919

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20080919

Address after: Kyoto Japan

Patentee after: Nippon Densan K. K.

Address before: Nagano

Patentee before: Sankyo Seiki Seisakusho KK

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050928

Termination date: 20130530