JP2009095110A5 - - Google Patents

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Publication number
JP2009095110A5
JP2009095110A5 JP2007261918A JP2007261918A JP2009095110A5 JP 2009095110 A5 JP2009095110 A5 JP 2009095110A5 JP 2007261918 A JP2007261918 A JP 2007261918A JP 2007261918 A JP2007261918 A JP 2007261918A JP 2009095110 A5 JP2009095110 A5 JP 2009095110A5
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JP
Japan
Prior art keywords
rotor
synchronous motor
directional
magnet synchronous
directional magnetic
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Application number
JP2007261918A
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Japanese (ja)
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JP5176466B2 (en
JP2009095110A (en
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Priority to JP2007261918A priority Critical patent/JP5176466B2/en
Priority claimed from JP2007261918A external-priority patent/JP5176466B2/en
Publication of JP2009095110A publication Critical patent/JP2009095110A/en
Publication of JP2009095110A5 publication Critical patent/JP2009095110A5/ja
Application granted granted Critical
Publication of JP5176466B2 publication Critical patent/JP5176466B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (8)

積層されたロータ鉄心と、
前記ロータ鉄心の内部に円周方向に沿って埋設した板状の界磁用磁石と、
前記ロータ鉄心の外周に設けられた磁化容易方向性を有する方向性磁性体と、
を備えたことを特徴とする埋込磁石同期モータのロータ。 Laminated rotor cores,
A plate-like field magnet embedded in the rotor iron core along the circumferential direction;
A directional magnetic body having an easy magnetization direction provided on the outer periphery of the rotor core;
Embedded magnet synchronous motor rotor comprising the. 前記方向性磁性体の磁化容易方向は、前記界磁用磁石の長い方の面に対して平行であることを特徴とする請求項１に記載の埋込磁石同期モータのロータ。 Wherein the easy magnetization direction of the directional magnetic material embedded magnet synchronous motor rotor according to claim 1, wherein the parallel der Rukoto to the plane of the longer of said field magnet. 前記方向性磁性体には、磁極間で周方向に磁束が漏れ難くする切り欠け部が備えられたことを特徴とする請求項１または２に記載の埋込磁石同期モータのロータ。 Wherein the directional magnetic, embedded magnet synchronous motor rotor according to claim 1 or 2, characterized in that notches to make it difficult to leak the magnetic flux in the circumferential direction between the magnetic poles is provided. 前記界磁用磁石は、前記ロータ鉄心の内部に設ける構成に替えて、前記方向性磁性体の内部に設けられたことを特徴とする請求項１〜３のいずれか１項に記載の埋込磁石同期モータのロータ。 The embedding according to any one of claims 1 to 3 , wherein the field magnet is provided inside the directional magnetic body, instead of being provided inside the rotor core. Magnet synchronous motor rotor. 前記方向性磁性体は、方向性鋼板を前記方向性磁性体の断面形状を直線状に展開した形状に打ち抜いた方向性磁性板を積層して形成され、前記方向性磁性体を前記ロータ鉄心の外周に巻いて、ロータを構成することを特徴とする請求項１〜４のいずれか１項に記載の埋込磁石同期モータのロータ。 The directional magnetic body is formed by stacking directional magnetic plates obtained by punching a directional steel plate into a shape in which a cross-sectional shape of the directional magnetic body is linearly developed, and the directional magnetic body is formed on the rotor core. The rotor of the embedded magnet synchronous motor according to any one of claims 1 to 4 , wherein the rotor is wound around an outer periphery. 前記方向性磁性体は、前記方向性磁性板を１枚毎または複数枚毎、磁極ピッチの整数倍ずらして積層して形成されたことを特徴とする請求項５に記載の埋込磁石同期モータのロータ。 6. The embedded magnet synchronous motor according to claim 5 , wherein the directional magnetic body is formed by laminating the directional magnetic plates one by one or a plurality of sheets, each being shifted by an integral multiple of the magnetic pole pitch. Rotor. 前記方向性磁性体は、方向性鋼板を前記方向性磁性体の断面形状を直線に展開した形状に打ち抜いた方向性磁性板を円状にして、１枚毎または複数枚毎、磁極ピッチの整数倍ずらし、円筒状に積層して形成され、前記方向性磁性体に前記ロータ鉄心を挿入して、ロータを構成することを特徴とする請求項１〜４のいずれか１項に記載の埋込磁石同期モータのロータ。 The directional magnetic body is formed of a directional magnetic plate formed by punching a directional steel plate into a shape in which a cross-sectional shape of the directional magnetic body is linearly developed, and is an integral number of magnetic pole pitches. fold shift, is formed by laminating a cylindrical buried according to the insert of the rotor core in the direction magnetic any one of claims 1-4, characterized in that it constitutes the rotor Magnet synchronous motor rotor. 請求項１〜７のいずれか１項に記載の埋込磁石同期モータのロータを用いたことを特徴とする埋込磁石同期モータ。 Interior permanent magnet synchronous motor characterized by using an embedded magnet synchronous motor of the rotor according to any one of claims 1-7.
JP2007261918A 2007-10-05 2007-10-05 Embedded magnet synchronous motor rotor and embedded magnet synchronous motor Expired - Fee Related JP5176466B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007261918A JP5176466B2 (en) 2007-10-05 2007-10-05 Embedded magnet synchronous motor rotor and embedded magnet synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007261918A JP5176466B2 (en) 2007-10-05 2007-10-05 Embedded magnet synchronous motor rotor and embedded magnet synchronous motor

Publications (3)

Publication Number Publication Date
JP2009095110A JP2009095110A (en) 2009-04-30
JP2009095110A5 true JP2009095110A5 (en) 2011-10-20
JP5176466B2 JP5176466B2 (en) 2013-04-03

Family

ID=40666541

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007261918A Expired - Fee Related JP5176466B2 (en) 2007-10-05 2007-10-05 Embedded magnet synchronous motor rotor and embedded magnet synchronous motor

Country Status (1)

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JP (1) JP5176466B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013001557A1 (en) * 2011-06-27 2013-01-03 株式会社 日立製作所 Magnetic gear type electric rotating machine
JP2013132154A (en) * 2011-12-22 2013-07-04 Aisin Seiki Co Ltd Rotary electric machine and rotor thereof
JP6137854B2 (en) * 2013-02-06 2017-05-31 富士電機株式会社 Permanent magnet motor
JP7226189B2 (en) * 2019-08-27 2023-02-21 株式会社デンソー motor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10257702A (en) * 1997-03-14 1998-09-25 Nippon Steel Corp High-performance buried magnet reluctance motor
JP4286642B2 (en) * 2003-12-01 2009-07-01 本田技研工業株式会社 Permanent magnet rotor
JP2006158008A (en) * 2004-11-25 2006-06-15 Asmo Co Ltd Permanent magnet embedded rotor and dynamo-electric machine
JP2007159308A (en) * 2005-12-07 2007-06-21 Daikin Ind Ltd Rotor

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