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公开(公告)号：US09853520B2
公开(公告)日：2017-12-26
申请号：US14772123
申请日：2013-03-28
CPC分类号： H02K5/161 , F16C35/042 , F16C2380/26 , H02K5/08 , H02K5/15 , H02K5/163 , H02K5/24
摘要： A molded motor 100 includes a molded stator formed by providing a molding resin to a stator, a rotor inside the molded stator, a pair of bearings supporting a rotor shaft of the rotor, and an insulating bracket fitted in an inner circumferential part of an opening formed at an axial end of the molded stator to surround and support an outer ring of the bearing with a concave part formed at a center, and formed of an insulating resin.
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公开(公告)号：US09762096B2
公开(公告)日：2017-09-12
申请号：US14763866
申请日：2013-02-20
申请人： Naohiro Oketani , Masahiro Nigo , Kazuhiko Baba , Koji Yabe
发明人： Naohiro Oketani , Masahiro Nigo , Kazuhiko Baba , Koji Yabe
CPC分类号： H02K1/2706 , H02K1/276 , H02K2213/03
摘要： An interior permanent magnet motor includes: a rotor; a stator; and a plurality of permanent magnets respectively inserted into a plurality of magnet insertion holes formed in a rotor core, the rotor core being formed by laminating a plurality of magnetic steel sheets, the magnetic steel sheets including first magnetic steel sheets each not having a magnet stopper in the magnet insertion hole, and second magnetic steel sheets each having magnet stoppers at both end portions of the magnet insertion hole, the rotor core including a laminate of the magnetic steel sheets in a lamination mode in which, when Hn represents a distance between an upper end surface of the second magnetic steel sheet and an upper end surface of the n-th second magnetic steel sheet, a progression of differences of Hn is a geometric progression.
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3.发明申请公开(公告)号：US20150280500A1
公开(公告)日：2015-10-01
申请号：US14434828
申请日：2012-11-01
申请人： Masahiro NIGO , Naohiro OKETANI , Koji YABE , Kazuhiko BABA
发明人： Masahiro Nigo , Naohiro Oketani , Koji Yabe , Kazuhiko Baba
摘要： A rotor core includes a plurality of first electromagnetic steel plates that are stacked in an axial direction and a plurality of second electromagnetic steel plates that are stacked in an axial direction at both ends of the electromagnetic steel plate group thereof. The first electromagnetic steel plates are provided therein with magnet insertion holes and first flux barriers. The second electromagnetic steel plates are provided therein with the magnet insertion holes, second flux barriers, and projections that regulate the positions of the magnets. The second electromagnetic steel plates are stacked at at least one of the axial direction ends of the electromagnetic steel plate group including the plurality of first electromagnetic steel plates and are provided at a position overhanging the axial direction end of a stator core.
摘要翻译： 转子芯包括在轴向方向上堆叠的多个第一电磁钢板和沿其轴向在电磁钢板组的两端堆叠的多个第二电磁钢板。 第一电磁钢板在其中设置有磁体插入孔和第一磁通屏障。 第二电磁钢板中设置有调节磁体位置的磁体插入孔，第二磁通屏障和凸起。 第二电磁钢板堆叠在包括多个第一电磁钢板的电磁钢板组的至少一个轴向端上，并且设置在与定子芯的轴向端部悬伸的位置。
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4.发明授权公开(公告)号：US09800105B2
公开(公告)日：2017-10-24
申请号：US14434828
申请日：2012-11-01
申请人： Masahiro Nigo , Naohiro Oketani , Koji Yabe , Kazuhiko Baba
发明人： Masahiro Nigo , Naohiro Oketani , Koji Yabe , Kazuhiko Baba
摘要： A rotor core includes a plurality of first electromagnetic steel plates that are stacked in an axial direction and a plurality of second electromagnetic steel plates that are stacked in an axial direction at both ends of the electromagnetic steel plate group thereof. The first electromagnetic steel plates are provided therein with magnet insertion holes and first flux barriers. The second electromagnetic steel plates are provided therein with the magnet insertion holes, second flux barriers, and projections that regulate the positions of the magnets. The second electromagnetic steel plates are stacked at at least one of the axial direction ends of the electromagnetic steel plate group including the plurality of first electromagnetic steel plates and are provided at a position overhanging the axial direction end of a stator core.
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公开(公告)号：US09692264B2
公开(公告)日：2017-06-27
申请号：US14350818
申请日：2012-12-12
申请人： Koji Yabe , Naohiro Oketani
发明人： Koji Yabe , Naohiro Oketani
IPC分类号： H02K1/27
CPC分类号： H02K1/276 , H02K2213/03
摘要： A rotor of a motor includes a rotor core; permanent magnet insertion holes that are formed in an outer circumferential portion of the rotor core along a circumferential direction and in each of which an air gap extending in an outer circumferential direction, is formed in both end portions in a state where a permanent magnet is inserted; and a permanent magnet inserted in each of the permanent magnet insertion holes, wherein a thin portion is formed between the air gap and an outer circumference of the rotor core, rounded corner portions are formed at two locations on an outer circumference side in the air gap, and a radius of curvature of any one of the corner portions is equal to or more than half a width of the air gap in a circumferential direction.
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公开(公告)号：US20150263574A1
公开(公告)日：2015-09-17
申请号：US14350818
申请日：2012-12-12
申请人： Koji Yabe , Naohiro Oketani
发明人： Koji Yabe , Naohiro Oketani
IPC分类号： H02K1/27
CPC分类号： H02K1/276 , H02K2213/03
摘要： A rotor of a motor includes a rotor core; permanent magnet insertion holes that are formed in an outer circumferential portion of the rotor core along a circumferential direction and in each of which an air gap extending in an outer circumferential direction, is formed in both end portions in a state where a permanent magnet is inserted; and a permanent magnet inserted in each of the permanent magnet insertion holes, wherein a thin portion is formed between the air gap and an outer circumference of the rotor core, rounded corner portions are formed at two locations on an outer circumference side in the air gap, and a radius of curvature of any one of the corner portions is equal to or more than half a width of the air gap in a circumferential direction.
摘要翻译： 电动机的转子包括转子铁心; 在永久磁铁插入的状态下，沿着圆周方向形成在转子铁芯的外周部分中并且在外周方向上延伸的气隙的永磁体插入孔形成在两端部 ; 以及插入每个所述永磁体插入孔中的永磁体，其中在所述气隙和所述转子芯的外周之间形成有薄壁部，在所述气隙的外周侧的两个位置形成有圆角部 并且任意一个角部的曲率半径等于或大于气隙在圆周方向上的宽度的一半。
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公开(公告)号：US09667110B2
公开(公告)日：2017-05-30
申请号：US14350818
申请日：2012-12-12
申请人： Koji Yabe , Naohiro Oketani
发明人： Koji Yabe , Naohiro Oketani
IPC分类号： H02K1/27
摘要： A rotor of a motor includes a rotor core; permanent magnet insertion holes that are formed in an outer circumferential portion of the rotor core along a circumferential direction and in each of which an air gap extending in an outer circumferential direction, is formed in both end portions in a state where a permanent magnet is inserted; and a permanent magnet inserted in each of the permanent magnet insertion holes, wherein a thin portion is formed between the air gap and an outer circumference of the rotor core, rounded corner portions are formed at two locations on an outer circumference side in the air gap, and a radius of curvature of any one of the corner portions is equal to or more than half a width of the air gap in a circumferential direction.
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公开(公告)号：US09793769B2
公开(公告)日：2017-10-17
申请号：US14773462
申请日：2013-03-14
申请人： Kazuhiko Baba , Koji Yabe , Tomoaki Oikawa
发明人： Kazuhiko Baba , Koji Yabe , Tomoaki Oikawa
CPC分类号： H02K1/276
摘要： Provided is an interior permanent magnet motor, including: a plurality of permanent magnets respectively inserted into a plurality of magnet accommodating holes formed in a rotator core of a rotator. In the magnet accommodating hole, a pair of minute projecting portions, a pair of large projecting portions, and a pair of demagnetizing field recesses are formed. The permanent magnet is sandwiched by a corresponding pair of minute projecting portions. The minute projecting portion is protruded radially inward to be in surface-contact with a corresponding end surface of the permanent magnet. The large projecting portion is formed on an outer side of the minute projecting portion, and is extended to an inner defining line side of the magnet accommodating hole. A height dimension (Ta) of the large projecting portion is larger than a height dimension (Tb) of the minute projecting portion.
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公开(公告)号：US09287759B2
公开(公告)日：2016-03-15
申请号：US13881439
申请日：2010-12-06
申请人： Koji Yabe , Hayato Yoshino , Takahiro Tsutsumi , Kazuhiko Baba , Tomoaki Oikawa
发明人： Koji Yabe , Hayato Yoshino , Takahiro Tsutsumi , Kazuhiko Baba , Tomoaki Oikawa
摘要： In an induction motor, when dimensions of respective elements of a rotor slot are defined as TB: a shortest distance between a center side of an inner circumferential slot and an outer circumference of the rotor; TC: a circumferential width of an innermost circumference of an outer circumferential slot; TD: a circumferential width of an outermost circumference of the inner circumference slot; and TE: a shortest distance between an end side of the inner circumferential slot and the outer circumference of the rotor, and when dimensions of respective elements of a stator iron core are defined as TF: a width of teeth; TG: a width of a teeth tip end; and TH: a width of a slot opening part, the dimensions of the respective elements of the rotor slot and the dimensions of the respective elements of the stator iron core satisfy the following relationships: TF/(TG+TH)×TD/2≦TB≦TD/2; and TF/(TG+TH)×TD/2≦TE≦TD/2.
摘要翻译： 在感应电动机中，当转子槽的各个元件的尺寸被定义为TB时：内周槽的中心侧与转子的外周之间的最短距离; TC：外周槽的最内圆周的周向宽度; TD：内周槽的最外周的周向宽度; TE：内周槽的端侧与转子的外周之间的最短距离，定子铁心的各个元件的尺寸被定义为TF：齿的宽度; TG：牙齿末端的宽度; 和TH：槽开口部分的宽度，转子槽的各个元件的尺寸和定子铁芯的各个元件的尺寸满足以下关系：TF /（TG + TH）×TD / 2＆nlE; TB＆nlE; TD / 2; 和TF /（TG + TH）×TD / 2＆nlE; TE＆nlE; TD / 2。
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公开(公告)号：US08714948B2
公开(公告)日：2014-05-06
申请号：US12526407
申请日：2007-02-26
申请人： Kazuhiko Baba , Hayato Yoshino , Koji Yabe , Masahiro Nigo , Koji Masumoto , Tomoaki Oikawa , Yoshio Takita
发明人： Kazuhiko Baba , Hayato Yoshino , Koji Yabe , Masahiro Nigo , Koji Masumoto , Tomoaki Oikawa , Yoshio Takita
IPC分类号： F04B35/04
摘要： An object is to provide a permanent magnet motor that highly reduces torque fluctuation, thereby reducing noise and vibration. The permanent magnet motor may be formed as follows: a length D of a permanent magnet 8 in a longitudinal direction is the same as or longer than a width A between sides of the magnetic pole tooth 3 in the circumferential direction in an end portion of the magnetic pole tooth 3, and a distance C between tip portions of a pair of the first slits 13a and 13b within the same pole is smaller than the width A between the sides of the magnetic pole tooth 3 in the circumferential direction in the end portion of the magnetic pole tooth 3. The permanent magnet motor, thus formed, may be characterized in that cut surfaces 12 face the first slits 13a and 13b.
摘要翻译： 目的是提供一种能够大大降低转矩波动的永磁电动机，从而减少噪音和振动。 永磁电动机可以如下形成：永久磁铁8的长度方向的长度D与磁极齿3的两侧之间的周向上的宽度A相同或更长 磁极齿3，同一极内的一对第一狭缝13a和13b的前端之间的距离C小于磁极齿3的在圆周方向的端部之间的宽度A 磁极齿3.由此形成的永磁电动机的特征在于，切割面12面向第一狭缝13a和13b。
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