JP2009240140A5 - - Google Patents

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Publication number
JP2009240140A5
JP2009240140A5 JP2008086590A JP2008086590A JP2009240140A5 JP 2009240140 A5 JP2009240140 A5 JP 2009240140A5 JP 2008086590 A JP2008086590 A JP 2008086590A JP 2008086590 A JP2008086590 A JP 2008086590A JP 2009240140 A5 JP2009240140 A5 JP 2009240140A5
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JP
Japan
Prior art keywords
rotor
rotor core
disposed
embedded
power tool
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.)
Granted
Application number
JP2008086590A
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Japanese (ja)
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JP5092844B2 (en
JP2009240140A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2008086590A priority Critical patent/JP5092844B2/en
Priority claimed from JP2008086590A external-priority patent/JP5092844B2/en
Publication of JP2009240140A publication Critical patent/JP2009240140A/en
Publication of JP2009240140A5 publication Critical patent/JP2009240140A5/ja
Application granted granted Critical
Publication of JP5092844B2 publication Critical patent/JP5092844B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (3)

ハウジングと、  A housing;
前記ハウジングに固定されるステータと、前記ステータに対して回転可能なロータと、を有するブラシレスモータと、  A brushless motor having a stator fixed to the housing and a rotor rotatable with respect to the stator;
前記ロータによって駆動される先端工具取付部材と、を有する電動工具であって、  A power tool having a tip tool attachment member driven by the rotor,
前記ロータは、ロータコアと、前記ロータコアに埋め込まれ前記ロータコアよりも全長が短い複数個の永久磁石と、を有し、  The rotor has a rotor core and a plurality of permanent magnets embedded in the rotor core and having a shorter overall length than the rotor core,
前記ロータコアに前記永久磁石を埋め込んだ際に形成される凹室部に、接着剤が埋め込まれることを特徴とする電動工具。  An electric power tool, wherein an adhesive is embedded in a concave chamber formed when the permanent magnet is embedded in the rotor core. 前記ブラシレスモータの前方には、前記先端工具取付部材が配置されており、  The tip tool mounting member is disposed in front of the brushless motor,
前記ロータの前面に前記凹室部が配置されることを特徴とする請求項１記載の電動工具。  The power tool according to claim 1, wherein the concave chamber portion is disposed on a front surface of the rotor. 前記接着剤は、全て凹室部に配置されることを特徴とする請求項１又は請求項２記載の電動工具。  The electric tool according to claim 1, wherein all of the adhesive is disposed in the recessed chamber portion.

JP2008086590A 2008-03-28 2008-03-28 Electric tool Expired - Fee Related JP5092844B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008086590A JP5092844B2 (en) 2008-03-28 2008-03-28 Electric tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008086590A JP5092844B2 (en) 2008-03-28 2008-03-28 Electric tool

Publications (3)

Publication Number Publication Date
JP2009240140A JP2009240140A (en) 2009-10-15
JP2009240140A5 true JP2009240140A5 (en) 2011-04-14
JP5092844B2 JP5092844B2 (en) 2012-12-05

Family

ID=41253411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008086590A Expired - Fee Related JP5092844B2 (en) 2008-03-28 2008-03-28 Electric tool

Country Status (1)

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JP (1) JP5092844B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103715847A (en) * 2013-11-30 2014-04-09 浙江京马电机有限公司 Rotor dynamic balance adjusting method
JP2015126563A (en) * 2013-12-25 2015-07-06 株式会社マキタ Electric tool
JP6334914B2 (en) * 2013-12-25 2018-05-30 株式会社マキタ Electric tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3821184B2 (en) * 1998-03-27 2006-09-13 株式会社富士通ゼネラル Permanent magnet motor
JP2001037174A (en) * 1999-07-23 2001-02-09 Sankyo Seiki Mfg Co Ltd Rotation balance adjusting method of rotor, and rotor subjected to balance adjustment there by
JP2004159474A (en) * 2002-11-08 2004-06-03 Matsushita Electric Ind Co Ltd Rotor and motor provided therewith
JP2006109595A (en) * 2004-10-04 2006-04-20 Japan Servo Co Ltd Rotor balance correction structure of outer rotor type motor
JP4986258B2 (en) * 2005-12-27 2012-07-25 日立工機株式会社 Electric tool

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