JP2010172053A5 - - Google Patents

Download PDF

Info

Publication number
JP2010172053A5
JP2010172053A5 JP2009009530A JP2009009530A JP2010172053A5 JP 2010172053 A5 JP2010172053 A5 JP 2010172053A5 JP 2009009530 A JP2009009530 A JP 2009009530A JP 2009009530 A JP2009009530 A JP 2009009530A JP 2010172053 A5 JP2010172053 A5 JP 2010172053A5
Authority
JP
Japan
Prior art keywords
permanent magnet
core
armature winding
rotor
magnetic ring
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
JP2009009530A
Other languages
Japanese (ja)
Other versions
JP2010172053A (en
JP5195450B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2009009530A priority Critical patent/JP5195450B2/en
Priority claimed from JP2009009530A external-priority patent/JP5195450B2/en
Publication of JP2010172053A publication Critical patent/JP2010172053A/en
Publication of JP2010172053A5 publication Critical patent/JP2010172053A5/ja
Application granted granted Critical
Publication of JP5195450B2 publication Critical patent/JP5195450B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (4)

筒状の固定子鉄心と、前記固定子鉄心の内周面に固着された電機子巻線とを有する固定子と、
回転軸に嵌合した回転子鉄心と、前記回転子鉄心の外周面に固着された永久磁石とを有する回転子とを備え、
前記電機子巻線は、回転軸方向に延びる直線部と、軸方向に直交する方向に曲げられるコイルエンド部とを有し、
前記回転子は、前記筒状の固定子の内部に空隙を介して対向するように配置されているスロットレスモータにおいて、
前記電機子巻線のコイルエンドの、前記永久磁石と対向していない部分に、電機子巻線内周面を覆わないように電機子巻線と同一内径寸法で、補助鉄心を設け、
かつ、前記永久磁石の軸方向の端部側に、前記永久磁石と軸方向に間隔をあけて、永久磁石と同外径の磁性リングを配置し、
前記補助鉄心と前記磁性リングを、径方向の空隙を介して対向させたことを特徴とするスロットレスモータ。
A stator having a cylindrical stator core, and an armature winding fixed to the inner peripheral surface of the stator core;
A rotor having a rotor core fitted to a rotating shaft, and a permanent magnet fixed to the outer peripheral surface of the rotor core;
The armature winding has a linear portion extending in the rotation axis direction and a coil end portion bent in a direction orthogonal to the axial direction,
In the slotless motor, the rotor is disposed so as to face the inside of the cylindrical stator via a gap,
In the portion of the coil end of the armature winding that does not face the permanent magnet, an auxiliary iron core is provided with the same inner diameter as the armature winding so as not to cover the inner peripheral surface of the armature winding,
And, on the end side in the axial direction of the permanent magnet, a magnetic ring having the same outer diameter as that of the permanent magnet is disposed with an interval in the axial direction from the permanent magnet,
A slotless motor, wherein the auxiliary iron core and the magnetic ring are opposed to each other through a radial gap.
前記補助鉄心および前記磁性リングは、絶縁被覆鉄粉形圧粉磁心材料で作られていることを特徴とする請求項1に記載のスロットレスモータ。   2. The slotless motor according to claim 1, wherein the auxiliary iron core and the magnetic ring are made of an insulation-coated iron powder type dust core material. 前記磁性リングは、前記回転子に装着された永久磁石の極数と同じ歯数を持つ歯車形状とし、その歯の位置をモータ磁極の極間位置に合わせ、谷の位置をモータ磁極の磁極中央位置に合わせていることを特徴とする請求項1または2に記載のスロットレスモータ。 The magnetic ring has a gear shape having the same number of teeth as the number of poles of the permanent magnet mounted on the rotor, the position of the teeth is aligned with the position between the poles of the motor magnetic pole, and the position of the valley is the center of the magnetic pole of the motor magnetic pole. slotless motor according to claim 1 or 2, characterized in that according to the position. 前記磁性リングと前記永久磁石の軸方向の間隔が、永久磁石表面から固定子鉄心までの距離よりも広くしたことを特徴とする請求項1から3のいずれか1項に記載のスロットレスモータ。
The slotless motor according to any one of claims 1 to 3, wherein an interval between the magnetic ring and the permanent magnet in an axial direction is wider than a distance from a surface of the permanent magnet to a stator core.
JP2009009530A 2009-01-20 2009-01-20 Slotless motor Expired - Fee Related JP5195450B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009009530A JP5195450B2 (en) 2009-01-20 2009-01-20 Slotless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009009530A JP5195450B2 (en) 2009-01-20 2009-01-20 Slotless motor

Publications (3)

Publication Number Publication Date
JP2010172053A JP2010172053A (en) 2010-08-05
JP2010172053A5 true JP2010172053A5 (en) 2012-03-29
JP5195450B2 JP5195450B2 (en) 2013-05-08

Family

ID=42703631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009009530A Expired - Fee Related JP5195450B2 (en) 2009-01-20 2009-01-20 Slotless motor

Country Status (1)

Country Link
JP (1) JP5195450B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2524968T3 (en) * 2010-12-15 2014-12-16 Infranor Holding S.A. Permanent magnet synchronous motor
CN102739001A (en) * 2011-04-14 2012-10-17 东莞市毅瑞得电机有限公司 Slotless micromotor with high efficiency
CN102646499A (en) * 2012-05-23 2012-08-22 镇江天力变压器有限公司 Dry type transformer with secondary iron core for electric locomotive
CN108087425A (en) * 2018-01-20 2018-05-29 营口万意达智能装备科技有限公司 A kind of servomotor magnetic thrust bearing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3928297B2 (en) * 1999-03-26 2007-06-13 日産自動車株式会社 Electric motor and manufacturing method thereof
JP2003244869A (en) * 2002-02-20 2003-08-29 Sumitomo Electric Ind Ltd Magnetic member and its manufacturing method
JP2003319583A (en) * 2002-04-17 2003-11-07 Yaskawa Electric Corp Synchronous motor
JP4929962B2 (en) * 2005-10-13 2012-05-09 株式会社安川電機 Slotless motor
JP5487612B2 (en) * 2008-12-19 2014-05-07 株式会社デンソー Rotating electric machine

Similar Documents

Publication Publication Date Title
JP5752273B2 (en) Electric motor
JP6388066B2 (en) Brushless motor
JP2014161223A5 (en)
TW200631279A (en) Axial-gap type motor
US9837867B2 (en) Electric machine, rotor and associated method
JP2007236073A5 (en)
JP2009095229A5 (en)
RU2005138343A (en) ELECTRIC MOTOR
JP2006174696A5 (en)
JP2006340444A5 (en)
JP2015159706A5 (en)
JP2013240146A (en) Brushless motor
EP2544335A3 (en) Rotating electrical machine
JP2008104288A5 (en)
CN105794085A (en) Motor core and motor
JP2010172053A5 (en)
KR101382599B1 (en) Dual-rotor motor
JP2006304405A5 (en)
JP2007037244A5 (en)
JP2016226261A5 (en)
JP2011067070A (en) Motor
JP5481160B2 (en) Motor and magnet
JP2008092629A5 (en)
JP2008086176A5 (en)
JP2008295258A (en) Rotational electric machine