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JPH02142962U - - Google Patents

Info

Publication number
JPH02142962U
JPH02142962U JP1989052221U JP5222189U JPH02142962U JP H02142962 U JPH02142962 U JP H02142962U JP 1989052221 U JP1989052221 U JP 1989052221U JP 5222189 U JP5222189 U JP 5222189U JP H02142962 U JPH02142962 U JP H02142962U
Authority
JP
Japan
Prior art keywords
rotor
cooling fan
pawls
stator
small 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.)
Pending
Application number
JP1989052221U
Other languages
English (en)
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 filed Critical
Priority to JP1989052221U priority Critical patent/JPH02142962U/ja
Priority to US07/515,162 priority patent/US5053657A/en
Priority to DE4013561A priority patent/DE4013561A1/de
Priority to GB9009648A priority patent/GB2231731B/en
Priority to CN90102608A priority patent/CN1047002A/zh
Publication of JPH02142962U publication Critical patent/JPH02142962U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Dc Machiner (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Description

【図面の簡単な説明】
第１図ａ，ｂは各々本考案の実施例を示す要部
端面図および要部側面図、第２図ａは第１図ｂに
おける端部コアの端面図、第２図ｂ，ｃは各々第
１図ａ，ｂにおける冷却フアンの端面図および側
面図、第３図ａ，ｂ，ｃは夫々第２図ａにおける
爪の塑性変形手段の例を示す要部拡大断面図およ
び要部拡大端面図、第４図は従来の小型モータの
例を示す要部縦断面図、第５図および第６図は各
々第４図における回転子を示す端面図および要部
側面図である。 ８：回転子、１０：回転子巻線、１３：冷却フ
アン、９１：端部コア、９１ａ：爪。

Claims (1)

  1. 【実用新案登録請求の範囲】 永久磁石からなる界磁をモータケース内側に固
    着してなる固定子と、回転子巻線を備え前記固定
    子と対向して回転可能に支持された回転子と、こ
    の回転子の一端に設けられた整流子および冷却フ
    アンとを備えた小型モータにおいて、 回転子端部を形成するコアの端面に複数個の爪
    を突設すると共に、複数個の羽根を有する冷却フ
    アンに前記爪に対応する複数個の穴を設け、前記
    冷却フアンをコアに取付けた後に前記爪を塑性変
    形させて冷却フアンを固定することを特徴とする
    小型モータ。
JP1989052221U 1989-05-02 1989-05-02 Pending JPH02142962U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1989052221U JPH02142962U (ja) 1989-05-02 1989-05-02
US07/515,162 US5053657A (en) 1989-05-02 1990-04-26 Miniature motor
DE4013561A DE4013561A1 (de) 1989-05-02 1990-04-27 Kleinmotor
GB9009648A GB2231731B (en) 1989-05-02 1990-04-30 Mounting a cooling fan on a minature electric motor
CN90102608A CN1047002A (zh) 1989-05-02 1990-05-02 小型电动机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989052221U JPH02142962U (ja) 1989-05-02 1989-05-02

Publications (1)

Publication Number Publication Date
JPH02142962U true JPH02142962U (ja) 1990-12-04

Family

ID=12908695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989052221U Pending JPH02142962U (ja) 1989-05-02 1989-05-02

Country Status (5)

Country Link
US (1) US5053657A (ja)
JP (1) JPH02142962U (ja)
CN (1) CN1047002A (ja)
DE (1) DE4013561A1 (ja)
GB (1) GB2231731B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0492097A3 (en) * 1991-08-12 1993-04-07 Icc- International Components Corporation Elektrobauelemente Gmbh Europa Rotor for use in a miniature motor
US5329199A (en) * 1992-11-23 1994-07-12 Ford Motor Company Rotor assembly with molded fans and method for making the same
GB2275829A (en) * 1993-03-05 1994-09-07 Black & Decker Inc Cooling commutated electric motors
JP2810000B2 (ja) * 1995-05-31 1998-10-15 マブチモーター株式会社 小型モータ
DE19929590A1 (de) * 1999-06-29 2001-01-04 Scintilla Ag Elektrische Handwerkzeugmaschine
GB0218198D0 (en) * 2002-08-06 2002-09-11 Johnson Electric Sa Fan
JP4639061B2 (ja) * 2004-07-29 2011-02-23 株式会社マキタ 電動工具
US7436096B2 (en) * 2005-10-31 2008-10-14 Caterpillar Inc. Rotor having permanent magnets and axialy-extending channels
US7804208B2 (en) * 2007-12-14 2010-09-28 Hui Wing-Kin Method and structure for cooling an electric motor
JP5021454B2 (ja) * 2007-12-28 2012-09-05 マブチモーター株式会社 ロータ取付け冷却ファン

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916232A (en) * 1972-04-21 1975-10-28 Gen Electric Dynamoelectric machine
US4092556A (en) * 1974-08-24 1978-05-30 Mabuchi Motor Co., Ltd. Forced cooled electric motor
JPS55147944A (en) * 1979-05-07 1980-11-18 Mitsubishi Electric Corp Electric motor
US4588915A (en) * 1984-12-14 1986-05-13 General Motors Corporation Alternating current generator rotor
US4588911A (en) * 1984-12-14 1986-05-13 General Motors Corporation Alternating current generator rotor and fan
JPH0448140Y2 (ja) * 1986-01-09 1992-11-12
GB2189944B (en) * 1986-04-21 1990-06-06 Johnson Electric Ind Mfg Cooling in electric motors

Also Published As

Publication number Publication date
US5053657A (en) 1991-10-01
GB2231731B (en) 1993-07-14
CN1047002A (zh) 1990-11-14
GB9009648D0 (en) 1990-06-20
DE4013561A1 (de) 1990-11-08
GB2231731A (en) 1990-11-21

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