JP2014068489A - ブラシレスモータ及び電動工具 - Google Patents
ブラシレスモータ及び電動工具 Download PDFInfo
- Publication number
- JP2014068489A JP2014068489A JP2012212959A JP2012212959A JP2014068489A JP 2014068489 A JP2014068489 A JP 2014068489A JP 2012212959 A JP2012212959 A JP 2012212959A JP 2012212959 A JP2012212959 A JP 2012212959A JP 2014068489 A JP2014068489 A JP 2014068489A
- Authority
- JP
- Japan
- Prior art keywords
- brushless motor
- fan
- rotor core
- rotor
- stator
- 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
Links
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/008—Cooling means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Portable Power Tools In General (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
【解決手段】シャフト101にロータコア105が固定される。ロータコア105には貫通孔が形成されて永久磁石106が挿入固定される。ロータコア105の外周面に対向してステータコア107が固定される。ステータコア107にはインシュレータ108を介してステータコイル109が設けられ、磁束発生部を成す。ステータコア107とステータコイル109からなるステータの前方に冷却用のファン110が設けられる。ファン110の羽根112と、ロータコア105及び永久磁石106とは、軸方向位置が相互に部分的に重複している。
【選択図】図1
Description
Claims (3)
- シャフトと、前記シャフトの外周に設けられたロータと、前記ロータの外周面に対向する磁束発生部を含むステータと、前記ステータの軸方向一方側において前記シャフトと一体に回転するファンとを備え、前記ファンの羽根と前記ロータの永久磁石とは軸方向位置が相互に近接し又は部分的に重複している、ブラシレスモータ。
- 前記ロータは、少なくとも一方の端面にそれぞれ開口した複数の孔を有する略円柱状の磁性体コアを有し、各々の孔内に永久磁石が保持され、前記ファンは、前記孔に嵌合する凸部を有する、請求項1に記載のブラシレスモータ。
- 請求項1又は2に記載のブラシレスモータを駆動源とする電動工具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012212959A JP2014068489A (ja) | 2012-09-26 | 2012-09-26 | ブラシレスモータ及び電動工具 |
US13/958,838 US9397535B2 (en) | 2012-09-26 | 2013-08-05 | Brushless motor and electric-powered tool |
DE102013109016.8A DE102013109016A1 (de) | 2012-09-26 | 2013-08-21 | Bürstenloser motor und elektrisch angetriebenes werkzeug |
CN201310438798.3A CN103683664A (zh) | 2012-09-26 | 2013-09-24 | 无刷电动机和电动工具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012212959A JP2014068489A (ja) | 2012-09-26 | 2012-09-26 | ブラシレスモータ及び電動工具 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2014068489A true JP2014068489A (ja) | 2014-04-17 |
Family
ID=50235471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012212959A Pending JP2014068489A (ja) | 2012-09-26 | 2012-09-26 | ブラシレスモータ及び電動工具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9397535B2 (ja) |
JP (1) | JP2014068489A (ja) |
CN (1) | CN103683664A (ja) |
DE (1) | DE102013109016A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10205365B2 (en) * | 2016-03-30 | 2019-02-12 | Milwaukee Electric Tool Corporation | Brushless motor for a power tool |
CN110086278A (zh) * | 2019-05-23 | 2019-08-02 | 江苏铁锚工具有限公司 | 一种无刷马达 |
CN110994904A (zh) * | 2019-12-16 | 2020-04-10 | 丁继来 | 一种基于齿轮传动原理的电机散热装置 |
CN211606217U (zh) * | 2019-12-27 | 2020-09-29 | 广东德昌电机有限公司 | 电动工具、电机及其转子组件 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05103443A (ja) * | 1991-10-07 | 1993-04-23 | Honda Motor Co Ltd | 電動機の冷却装置 |
JPH10290552A (ja) * | 1997-04-15 | 1998-10-27 | Matsushita Electric Works Ltd | モーター |
JPH10290551A (ja) * | 1997-04-15 | 1998-10-27 | Matsushita Electric Works Ltd | モーター |
JP2001061257A (ja) * | 1999-08-23 | 2001-03-06 | Asmo Co Ltd | 冷却ファン付きモータ |
JP2005269831A (ja) * | 2004-03-19 | 2005-09-29 | Nidec Shibaura Corp | ブラシレスdcモータ |
JP2007318885A (ja) * | 2006-05-25 | 2007-12-06 | Mabuchi Motor Co Ltd | ブラシレスモータ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000213490A (ja) * | 1999-01-26 | 2000-08-02 | Aisin Seiki Co Ltd | 電動ウォ―タポンプ |
JP5527569B2 (ja) | 2007-09-21 | 2014-06-18 | 日立工機株式会社 | インパクト工具 |
JP5522504B2 (ja) * | 2008-09-29 | 2014-06-18 | 日立工機株式会社 | 電動工具 |
JP5472683B2 (ja) * | 2009-05-11 | 2014-04-16 | 日立工機株式会社 | 電動工具 |
JP5436943B2 (ja) * | 2009-06-04 | 2014-03-05 | 株式会社マキタ | 電動工具 |
JP2011239546A (ja) * | 2010-05-10 | 2011-11-24 | Makita Corp | Dcブラシレスモータ |
JP5743085B2 (ja) * | 2011-06-15 | 2015-07-01 | 日立工機株式会社 | 電動工具 |
JP5757172B2 (ja) * | 2011-06-16 | 2015-07-29 | 日立工機株式会社 | 電動工具 |
-
2012
- 2012-09-26 JP JP2012212959A patent/JP2014068489A/ja active Pending
-
2013
- 2013-08-05 US US13/958,838 patent/US9397535B2/en active Active
- 2013-08-21 DE DE102013109016.8A patent/DE102013109016A1/de not_active Withdrawn
- 2013-09-24 CN CN201310438798.3A patent/CN103683664A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05103443A (ja) * | 1991-10-07 | 1993-04-23 | Honda Motor Co Ltd | 電動機の冷却装置 |
JPH10290552A (ja) * | 1997-04-15 | 1998-10-27 | Matsushita Electric Works Ltd | モーター |
JPH10290551A (ja) * | 1997-04-15 | 1998-10-27 | Matsushita Electric Works Ltd | モーター |
JP2001061257A (ja) * | 1999-08-23 | 2001-03-06 | Asmo Co Ltd | 冷却ファン付きモータ |
JP2005269831A (ja) * | 2004-03-19 | 2005-09-29 | Nidec Shibaura Corp | ブラシレスdcモータ |
JP2007318885A (ja) * | 2006-05-25 | 2007-12-06 | Mabuchi Motor Co Ltd | ブラシレスモータ |
Also Published As
Publication number | Publication date |
---|---|
US9397535B2 (en) | 2016-07-19 |
CN103683664A (zh) | 2014-03-26 |
DE102013109016A1 (de) | 2014-03-27 |
US20140084717A1 (en) | 2014-03-27 |
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