JPWO2020145538A5 - - Google Patents

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JPWO2020145538A5
JPWO2020145538A5 JP2021538329A JP2021538329A JPWO2020145538A5 JP WO2020145538 A5 JPWO2020145538 A5 JP WO2020145538A5 JP 2021538329 A JP2021538329 A JP 2021538329A JP 2021538329 A JP2021538329 A JP 2021538329A JP WO2020145538 A5 JPWO2020145538 A5 JP WO2020145538A5
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angle
theta
groove
tooth
shaft
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JP2022516269A (en
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Priority claimed from KR1020190002261A external-priority patent/KR20200086087A/en
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シャフト；
前記シャフトが結合されるロータ；および
前記ロータの外側に配置されるステータを含み、
前記ステータはステータコアおよび前記ステータコアに巻線されるコイルを含み、
前記ステータコアはヨーク、前記ヨークから突出して形成されるトゥースおよび前記トゥースの内面に形成された第１溝と第２溝を含み、
前記トゥースの円周方向の中心を基準として前記第１溝までの離隔距離と前記第２溝までの離隔距離は互いに異なっており、
前記第１溝および前記第２溝の大きさは同一である、モータ。 shaft;
a rotor to which said shaft is coupled; and a stator located outside said rotor,
the stator includes a stator core and a coil wound around the stator core;
the stator core includes a yoke, a tooth protruding from the yoke, and first and second grooves formed on an inner surface of the tooth;
The separation distance to the first groove and the separation distance to the second groove are different from each other with respect to the center of the tooth in the circumferential direction,
The motor , wherein the size of the first groove and the size of the second groove are the same . 前記シャフトの軸を基準として、
前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線Ｌから前記第１溝の一側まで前記トゥースの内面がなす第１角度（θ１）と前記線Ｌから前記第２溝の他側まで前記トゥースの内面がなす第２角度（θ２）は互いに異なる、請求項１に記載のモータ。 With the axis of the shaft as a reference,
A first angle (θ1) formed by the inner surface of the tooth from an imaginary line L connecting the center of the inner surface of the tooth and the axis of the shaft to one side of the first groove, and from the line L to the other of the second groove 2. The motor according to claim 1, wherein the second angles ([theta]2) formed by the inner surfaces of the teeth to the sides are different from each other. 前記第１溝と前記第２溝は前記シャフトの軸方向に形成される、請求項２に記載のモータ。 3. The motor according to claim 2, wherein said first groove and said second groove are formed axially of said shaft. 前記シャフトの軸を基準として、
前記トゥースの内面の一側から前記第２溝の一側まで前記トゥースの内面がなす第４角度（θ４）は前記第２角度（θ２）の２倍である、請求項２に記載のモータ。 With the axis of the shaft as a reference,
3. The motor according to claim 2, wherein a fourth angle (.theta.4) formed by the inner surface of the tooth from one side of the inner surface of the tooth to one side of the second groove is twice the second angle (.theta.2). 前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第２溝の他側までの第２距離（Ｄ２）が前記第２溝の深さ（Ｄ）の１．５７８倍であり、
前記第１角度（θ１）と前記第２角度（θ２）の差は前記第２角度（θ２）の大きさの１０％以内である、請求項２に記載のモータ。 The second distance (D2) from the imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to the other side of the second groove is 1.1.1 of the depth (D) of the second groove. 578 times,
3. A motor according to claim 2, wherein the difference between said first angle ([theta]1) and said second angle ([theta]2) is within 10% of the magnitude of said second angle ([theta]2). 前記第１角度（θ１）は前記第２角度（θ２）と前記第２角度（θ２）の１０％以内の角度の和であるか、
前記第１角度（θ１）は前記第２角度（θ２）と前記第２角度（θ２）の５％以内の角度の差である、請求項５に記載のモータ。 the first angle (θ1) is the sum of the second angle (θ2) and an angle within 10% of the second angle (θ2);
6. The motor according to claim 5, wherein said first angle ([theta]1) is an angle difference between said second angle ([theta]2) and said second angle ([theta]2) within 5%. 前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第２溝の他側までの第２距離（Ｄ２）が前記第２溝の深さ（Ｄ）の１．３１５倍であり、
前記第１角度（θ１）と前記第２角度（θ２）の差は前記第２角度（θ２）の大きさの５％以内である、請求項２に記載のモータ。 The second distance (D2) from the imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to the other side of the second groove is 1.1.1 of the depth (D) of the second groove. 315 times,
3. A motor according to claim 2, wherein the difference between said first angle ([theta]1) and said second angle ([theta]2) is within 5% of the magnitude of said second angle ([theta]2). 前記第１角度（θ１）は前記第２角度（θ２）と前記第２角度（θ２）の４％以内の角度の和であるか、
前記第１角度（θ１）は前記第２角度（θ２）と前記第２角度（θ２）の５％以内の角度の差である、請求項７に記載のモータ。 the first angle (θ1) is the sum of the second angle (θ2) and an angle within 4% of the second angle (θ2);
8. The motor according to claim 7, wherein said first angle ([theta]1) is an angle difference between said second angle ([theta]2) and said second angle ([theta]2) within 5%. シャフト；
前記シャフトが結合されるロータ；および
前記ロータの外側に配置されるステータを含み、
前記ステータはステータコアおよび前記ステータコアに巻線されるコイルを含み、
前記ステータコアはヨーク、前記ヨークから突出して形成されるトゥースおよび前記トゥースの内面に形成された第１溝と第２溝を含み、
前記シャフトの軸を基準として、前記第１溝の一側から前記第２溝の他側までの前記トゥースの内面がなす第５角度（θ５）は前記第１溝の他側から前記トゥースの他側までの前記トゥースの内面がなす第３角度（θ３）および前記第２溝の一側から前記トゥースの内面の一側までの前記トゥースの内面がなす第４角度（θ４）と異なる角度を有する、モータ。 shaft;
a rotor to which said shaft is coupled; and a stator located outside said rotor,
the stator includes a stator core and a coil wound around the stator core;
the stator core includes a yoke, a tooth protruding from the yoke, and first and second grooves formed on an inner surface of the tooth;
A fifth angle (θ5) formed by the inner surface of the tooth from one side of the first groove to the other side of the second groove with respect to the axis of the shaft is from the other side of the first groove to the other side of the tooth. and a fourth angle (θ4) formed by the inner surface of the tooth from one side of the second groove to one side of the inner surface of the tooth. ,motor. 前記第３角度（θ３）および前記第４角度（θ４）は互いに異なる、請求項９に記載のモータ。 10. Motor according to claim 9, wherein said third angle ([theta]3) and said fourth angle ([theta]4) are different from each other. 前記第５角度（θ５）は前記第４角度（θ４）より大きいか小さい、請求項１０に記載のモータ。 11. Motor according to claim 10, wherein said fifth angle ([theta]5) is greater than or less than said fourth angle ([theta]4). 前記第５角度（θ５）が前記第４角度（θ４）よりさらに大きい場合、前記第４角度（θ４）は前記第３角度（θ３）より大きく、
前記第５角度（θ５）が前記第４角度（θ４）より小さい場合、前記第４角度（θ４）は前記第３角度（θ３）より小さい、請求項１１に記載のモータ。 when the fifth angle (θ5) is greater than the fourth angle (θ4), the fourth angle (θ4) is greater than the third angle (θ3),
12. A motor according to claim 11, wherein said fourth angle ([theta]4) is less than said third angle ([theta]3) if said fifth angle ([theta]5) is less than said fourth angle ([theta]4). 前記第５角度（θ５）は前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第１溝の一側まで前記トゥースの内面がなす第１角度（θ１）と前記線（Ｌ）から前記第２溝の他側まで前記トゥースの内面がなす第２角度（θ２）の和である、請求項９に記載のモータ。 The fifth angle (θ5) is the first angle (θ1) formed by the inner surface of the tooth from an imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to one side of the first groove. 10. The motor according to claim 9, which is the sum of second angles ([theta]2) formed by the inner surfaces of the teeth from the line (L) to the other side of the second groove. 前記第１角度（θ１）と前記第２角度（θ２）は互いに異なる、請求項１３に記載のモータ。 14. The motor of claim 13, wherein the first angle ([theta]1) and the second angle ([theta]2) are different from each other. 前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第２溝の他側までの第２距離（Ｄ２）が前記第２溝の深さ（Ｄ）の１．５７８倍であり、
前記第４角度（θ４）は前記第３角度（θ３）と前記第２角度（θ２）の１０％以内の角度の和であるか、
前記第４角度（θ４）は前記第３角度（θ３）と前記第２角度（θ２）の５％以内の角度の差である、請求項１３に記載のモータ。 The second distance (D2) from the imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to the other side of the second groove is 1.1.1 of the depth (D) of the second groove. 578 times,
the fourth angle (θ4) is the sum of angles within 10% of the third angle (θ3) and the second angle (θ2);
14. The motor according to claim 13, wherein said fourth angle ([theta]4) is an angle difference within 5% of said third angle ([theta]3) and said second angle ([theta]2). 前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第２溝の他側までの第２距離（Ｄ２）が前記第２溝の深さ（Ｄ）の１．３１５倍であり、
前記第４角度（θ４）は前記第３角度（θ３）と前記第２角度（θ２）の４％以内の角度の和であるか、
前記第４角度（θ４）は前記第３角度（θ３）と前記第２角度（θ２）の５％以内の角度の差である、請求項１３に記載のモータ。 The second distance (D2) from the imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to the other side of the second groove is 1.1.1 of the depth (D) of the second groove. 315 times,
the fourth angle (θ4) is the sum of angles within 4% of the third angle (θ3) and the second angle (θ2);
14. The motor according to claim 13, wherein said fourth angle ([theta]4) is an angle difference within 5% of said third angle ([theta]3) and said second angle ([theta]2). 前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第２溝の他側までの第２距離（Ｄ２）が前記第２溝の深さ（Ｄ）の１．５７８倍であり、
前記第４角度（θ４）と前記第３角度（θ３）の差は前記第４角度（θ４）大きさの５％以内である、請求項９に記載のモータ。 The second distance (D2) from the imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to the other side of the second groove is 1.1.1 of the depth (D) of the second groove. 578 times,
10. The motor of claim 9, wherein the difference between the fourth angle ([theta]4) and the third angle ([theta]3) is within 5% of the magnitude of the fourth angle ([theta]4). 前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第２溝の他側までの第２距離（Ｄ２）が前記第２溝の深さ（Ｄ）の１．３１５倍であり、
前記第４角度（θ４）と前記第３角度（θ３）の差は前記第４角度（θ４）大きさの２．５％以内である、請求項１４に記載のモータ。 The second distance (D2) from the imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to the other side of the second groove is 1.1.1 of the depth (D) of the second groove. 315 times,
15. The motor of claim 14, wherein the difference between the fourth angle ([theta]4) and the third angle ([theta]3) is within 2.5% of the magnitude of the fourth angle ([theta]4). 前記第１溝および前記第２溝の大きさは同一である、請求項９に記載のモータ。 10. The motor of claim 9, wherein the size of the first groove and the second groove are the same. 前記第１溝の円周方向の幅（Ｗ）に対する深さ（Ｄ）の比率は０．２４～０．２９、請求項１９に記載のモータ。 20. The motor according to claim 19, wherein the ratio of the depth (D) to the width (W) of the first groove in the circumferential direction is 0.24-0.29. 前記トゥースの内面の他側から前記第１溝までの第３距離（Ｄ３）は前記トゥースの内面の一側から前記第２溝までの第４距離（Ｄ４）と異なる、請求項１９に記載のモータ。 20. The claim 19, wherein a third distance (D3) from the other side of the inner surface of the tooth to the first groove is different than a fourth distance (D4) from one side of the inner surface of the tooth to the second groove. motor. 軸を基準として前記内面は所定の曲率（１／Ｒ）で形成される、請求項１～請求項２１のいずれか一項に記載のモータ。 The motor according to any one of claims 1 to 21, wherein the inner surface is formed with a predetermined curvature (1/R) with respect to the shaft. 前記ロータのマグネットは８個提供され、前記ステータの前記トゥースは１２個で提供される、請求項１～請求項２２のいずれか一項に記載のモータ。 A motor according to any preceding claim, wherein eight magnets of the rotor are provided and twelve teeth of the stator are provided. 前記トゥースの内面の中心と前記シャフトの軸を連結した仮想の線（Ｌ）から前記第２溝の他側までの第２距離（Ｄ２）が前記第２溝の深さ（Ｄ）の１．３１５～１．９７２５倍である、請求項１または請求項９に記載のモータ。 A second distance (D2) from an imaginary line (L) connecting the center of the inner surface of the tooth and the axis of the shaft to the other side of the second groove is 1.5 of the depth (D) of the second groove. 10. The motor according to claim 1 or claim 9, which is 315 to 1.9725 times.
JP2021538329A 2019-01-08 2019-12-18 motor Pending JP2022516269A (en)

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Application Number Priority Date Filing Date Title
KR10-2019-0002261 2019-01-08
KR1020190002261A KR20200086087A (en) 2019-01-08 2019-01-08 Motor
PCT/KR2019/017930 WO2020145538A1 (en) 2019-01-08 2019-12-18 Motor

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JPWO2020145538A5 true JPWO2020145538A5 (en) 2022-12-16

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JP (1) JP2022516269A (en)
KR (1) KR20200086087A (en)
CN (1) CN113273054B (en)
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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102610639B1 (en) * 2021-12-27 2023-12-05 호남대학교 산학협력단 Hairpin Winding Motor With Stator Notch And Barrier-Gap

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1381505A (en) * 1917-08-08 1921-06-14 Herbert S Mills Dynamo-electric machine
JPS5264610A (en) * 1975-11-21 1977-05-28 Toshiba Corp Commutator-less electric motor
DE19633209A1 (en) * 1995-08-28 1997-03-06 Papst Motoren Gmbh & Co Kg Reducing reluctance moment or cogging of electric motor
US5844346A (en) * 1996-04-18 1998-12-01 Dana Corporation Low torque ripple switched reluctance motor
DE10002485A1 (en) * 2000-01-21 2001-08-02 Mannesmann Sachs Ag Winding body for receiving a winding for an electro-magneto-mechanical converter and electro-magneto-mechanical converter
US20010048264A1 (en) * 2000-02-01 2001-12-06 Pacsci Motion Control, Inc. Brushless DC motor having reduced cogging torque
US6548923B2 (en) * 2000-03-29 2003-04-15 Japan Servo Co., Ltd. Two-phase hybrid type stepping motor
US6545376B2 (en) * 2000-05-23 2003-04-08 Japan Servo Co., Ltd. Three-phase hybrid type stepping motor
JP3997076B2 (en) * 2000-12-22 2007-10-24 日本サーボ株式会社 Permanent magnet type 12 main pole stepping motor
JP2002272081A (en) * 2001-01-04 2002-09-20 Japan Servo Co Ltd Hybrid stepping motor
JP2003032935A (en) * 2001-07-11 2003-01-31 Moric Co Ltd Armature of rotating field type electrical equipment
ITTO20020757A1 (en) * 2002-08-29 2004-02-29 Fiat Ricerche SYNCHRONOUS TYPE ELECTRIC MACHINE
US6903480B2 (en) * 2003-02-26 2005-06-07 Asmo Co., Ltd. Core having axially assembled core sub-parts and dynamo-electric machine member having the same
US6867525B2 (en) * 2003-07-24 2005-03-15 A.O. Smith Corporation Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same
DE10352814A1 (en) * 2003-11-12 2005-06-30 Siemens Ag Electric machine
JP2007166710A (en) * 2005-12-09 2007-06-28 Toyota Motor Corp Rotating electric machine
JP5258190B2 (en) * 2006-12-01 2013-08-07 オリエンタルモーター株式会社 Laminated iron core structure of stepping motor
JP5008462B2 (en) * 2007-05-31 2012-08-22 日本電産サーボ株式会社 Hybrid permanent magnet rotating electric machine
JP5253098B2 (en) * 2008-11-07 2013-07-31 トヨタ自動車株式会社 Rotating electric machine
DE102009047239B4 (en) * 2008-12-02 2015-02-12 Nidec Servo Corp. Permanent magnet excited electric machine
JP2010172063A (en) * 2009-01-20 2010-08-05 Mitsuba Corp Outer rotor brushless motor
JP5875746B2 (en) * 2009-09-09 2016-03-02 株式会社三井ハイテック Manufacturing method of stator core
JP5179462B2 (en) * 2009-11-25 2013-04-10 日本電産サーボ株式会社 Two-phase hybrid electric rotating machine and method for manufacturing the same
JP2011254623A (en) * 2010-06-02 2011-12-15 Aisin Seiki Co Ltd Rotary electric machine and stator of rotary electric machine
JP2012100518A (en) * 2010-10-08 2012-05-24 Denso Corp Rotary electric machine
JP5270640B2 (en) * 2010-11-05 2013-08-21 トヨタ自動車株式会社 Stator core
US9800102B2 (en) * 2013-03-06 2017-10-24 Asmo Co., Ltd. Dual rotor core motor with reduced flux leakage
JP6352056B2 (en) * 2013-09-04 2018-07-04 山洋電気株式会社 Winding insulation structure of stator for electromagnetic motor
KR101940682B1 (en) * 2015-04-07 2019-01-22 엘지이노텍 주식회사 Stator and motor using the same
JP6530956B2 (en) * 2015-04-28 2019-06-12 株式会社ミツバ Electric motor
DE102016109083A1 (en) * 2015-05-21 2016-11-24 Johnson Electric S.A. Single-phase brushless motor and electrical appliance
JP6093804B2 (en) * 2015-06-12 2017-03-08 ミネベアミツミ株式会社 Brushless DC motor
KR20170092882A (en) * 2016-02-04 2017-08-14 한국생산기술연구원 A motor reducing cogging toque
CN106160383A (en) * 2016-07-19 2016-11-23 中国第汽车股份有限公司 A kind of concentratred winding internal permanent magnet synchronous motor for new forms of energy car
KR20180027021A (en) * 2016-09-05 2018-03-14 엘지이노텍 주식회사 Stator and motor having the same
WO2018044027A1 (en) * 2016-09-05 2018-03-08 엘지이노텍 주식회사 Stator, and motor comprising same
JP2018061392A (en) * 2016-10-07 2018-04-12 株式会社デンソー Armature and rotary electric machine
DE202016107187U1 (en) * 2016-12-20 2017-01-19 Ebm-Papst Mulfingen Gmbh & Co. Kg cogging
CA3024781A1 (en) * 2017-11-21 2019-05-21 Mcmaster University Multi-teeth switched reluctance motor with short flux path
CN112335156B (en) * 2018-06-27 2023-11-21 三菱电机株式会社 Motor, blower, and air conditioner
EP3618228B1 (en) * 2018-08-30 2021-06-02 Etel S.A. Stator assembly for a rotational synchronous motor

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