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公开(公告)号：US20150084470A1
公开(公告)日：2015-03-26
申请号：US14490016
申请日：2014-09-18
Applicant: ASMO CO., LTD.
Inventor： Yoshiaki Takemoto , Masashi Matsuda , Yusuke Morimoto
CPC classification number: H02K21/145 , H02K1/145 , H02K1/226 , H02K1/2706 , H02K1/2713 , H02K1/2733
Abstract: A motor includes a rotor and a stator. The rotor includes a first rotor core including a plurality of first claw-like magnetic poles, a second rotor core including a plurality of second claw-like magnetic poles, and a magnetic field magnet arranged between the first and second rotor cores. The first and second claw-like magnetic poles are alternately arranged in a circumferential direction. The magnetic field magnet causes the first and second claw-like magnetic poles to function as magnetic poles different from each other. The stator includes a first stator core including a plurality of first claw-like magnetic poles, a second stator core including a plurality of second claw-like magnetic poles, and a coil section arranged between the first and second stator cores. The stator is configured to cause the first and second claw-like magnetic poles of the stator to function as magnetic poles different from each other and switch polarities of the magnetic poles on the basis of energization to the coil section. At least ones of the claw-like magnetic poles of the rotor and the claw-like magnetic poles of the stator are formed in a shape in which circumferential centers of distal end portions are shifted in the circumferential direction with respect to circumferential centers of proximal end portions.
Abstract translation: 电动机包括转子和定子。 该转子包括：第一转子铁芯，其包括多个第一爪状磁极;第二转子铁心，包括多个第二爪状磁极;以及磁场磁铁，设置在第一和第二转子铁心之间。 第一爪状磁极和第二爪状磁极沿圆周方向交替排列。 磁场磁铁使第一爪状磁极和第二爪状磁极作为彼此不同的磁极。 定子包括：第一定子铁芯，其包括多个第一爪状磁极;第二定子铁芯，包括多个第二爪状磁极;以及线圈段，配置在第一和第二定子铁芯之间。 定子构造成使定子的第一爪状磁极和第二爪状磁极作为彼此不同的磁极，并且基于对线圈部的通电来切换磁极的极性。 转子的爪状磁极和定子的爪状磁极中的至少一个形成为使得前端部的圆周中心相对于近端的圆周中心在圆周方向上偏移的形状 部分。
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Patent Agency Ranking
公开(公告)号：US10862380B2
公开(公告)日：2020-12-08
申请号：US15857373
申请日：2017-12-28
Applicant: ASMO CO., LTD.
Inventor： Yoshiaki Takemoto , Yusuke Morimoto , Masashi Matsuda , Seiya Yokoyama
IPC: H02K1/18 , H02K16/00 , H02K1/14 , H02K21/14 , H02K1/27 , H02K3/52 , H02K15/02 , H02K1/24 , H02K21/04
Abstract: A rotor with four axially stacked rotor cores, and a plurality of field magnets interposed between them. Each rotor core includes a rotor-side claw-shaped magnetic pole. Each rotor-side claw-shaped magnetic poles are respectively extending from and formed on each rotor core at equal angle intervals. Tip end surfaces of the first and third rotor-side claw-shaped magnetic pole abut against or are closely opposed to each other axially. Tip end surfaces of the second and fourth rotor-side claw-shaped magnetic poles abut against or are closely opposed to each other in the axial direction. The plurality of field magnets are magnetized in the axial direction such that the field magnets causes the first and third rotor-side claw-shaped magnetic poles to function as first magnetic poles, and cause the second and fourth rotor-side claw-shaped magnetic poles to function as second magnetic poles.
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公开(公告)号：US20160111930A1
公开(公告)日：2016-04-21
申请号：US14881726
申请日：2015-10-13
Applicant: ASMO CO., LTD.
Inventor： Yoshiaki Takemoto , Yoko Tateishi , Seiya Yokoyama , Yusuke Morimoto
CPC classification number: H02P29/00 , H02K1/145 , H02K1/2713 , H02K21/145
Abstract: A motor includes a two-layer rotor and a two-layer stator. The two layer rotor includes an A-phase rotor and a B-phase rotor that are stacked together. When θ1 represents, in electric angle, an angle of the B-phase stator relative to the A-phase stator in a clockwise circumferential direction, and θ2 represents, in electric angle, an angle of the B-phase rotor relative to the A-phase rotor in a counterclockwise circumferential direction, θ1+|θ2|=90° is satisfied.
Abstract translation: 电动机包括两层转子和两层定子。 两层转子包括堆叠在一起的A相转子和B相转子。 当电缆角度为1时，B相定子相对于A相定子的顺时针方向的角度为θ，电角为B相转子相对角度 以逆时针圆周方向连接到A相转子，并且满足：1 | | |θ2= 90°。
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公开(公告)号：US10141821B2
公开(公告)日：2018-11-27
申请号：US14490016
申请日：2014-09-18
Applicant: ASMO CO., LTD.
Inventor： Yoshiaki Takemoto , Masashi Matsuda , Yusuke Morimoto
Abstract: A motor includes a rotor and a stator. The rotor includes a first rotor core including a plurality of first claw-like magnetic poles, a second rotor core including a plurality of second claw-like magnetic poles, and a magnetic field magnet arranged between the first and second rotor cores. The first and second claw-like magnetic poles are alternately arranged in a circumferential direction. The magnetic field magnet causes the first and second claw-like magnetic poles to function as magnetic poles different from each other. The stator includes a first stator core including a plurality of first claw-like magnetic poles, a second stator core including a plurality of second claw-like magnetic poles, and a coil section arranged between the first and second stator cores. The stator is configured to cause the first and second claw-like magnetic poles of the stator to function as magnetic poles different from each other and switch polarities of the magnetic poles on the basis of energization to the coil section. At least ones of the claw-like magnetic poles of the rotor and the claw-like magnetic poles of the stator are formed in a shape in which circumferential centers of distal end portions are shifted in the circumferential direction with respect to circumferential centers of proximal end portions.
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公开(公告)号：US09887608B2
公开(公告)日：2018-02-06
申请号：US14160391
申请日：2014-01-21
Applicant: ASMO CO., LTD.
Inventor： Yoshiaki Takemoto , Yusuke Morimoto , Masashi Matsuda , Seiya Yokoyama
CPC classification number: H02K16/00 , H02K1/145 , H02K1/243 , H02K1/2713 , H02K3/525 , H02K3/528 , H02K15/022 , H02K21/048 , H02K21/145 , H02K2201/06
Abstract: A rotor with four axially stacked rotor cores, and a plurality of field magnets interposed between them. Each rotor core includes a rotor-side claw-shaped magnetic pole. Each rotor-side claw-shaped magnetic poles are respectively extending from and formed on each rotor core at equal angle intervals. Tip end surfaces of the first and third rotor-side claw-shaped magnetic pole abut against or are closely opposed to each other axially. Tip end surfaces of the second and fourth rotor-side claw-shaped magnetic poles abut against or are closely opposed to each other in the axial direction. The plurality of field magnets are magnetized in the axial direction such that the field magnets causes the first and third rotor-side claw-shaped magnetic poles to function as first magnetic poles, and cause the second and fourth rotor-side claw-shaped magnetic poles to function as second magnetic poles.
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公开(公告)号：US09584060B2
公开(公告)日：2017-02-28
申请号：US14881726
申请日：2015-10-13
Applicant: ASMO CO., LTD.
Inventor： Yoshiaki Takemoto , Yoko Tateishi , Seiya Yokoyama , Yusuke Morimoto
CPC classification number: H02P29/00 , H02K1/145 , H02K1/2713 , H02K21/145
Abstract: A motor includes a two-layer rotor and a two-layer stator. The two layer rotor includes an A-phase rotor and a B-phase rotor that are stacked together. When θ1 represents, in electric angle, an angle of the B-phase stator relative to the A-phase stator in a clockwise circumferential direction, and θ2 represents, in electric angle, an angle of the B-phase rotor relative to the A-phase rotor in a counterclockwise circumferential direction, θ1+|θ2|=90° is satisfied.
Abstract translation: 电动机包括两层转子和两层定子。 两层转子包括堆叠在一起的A相转子和B相转子。 当θ1以电角度表示B相定子相对于A相定子在顺时针方向上的角度时，θ2以电角度表示B相转子相对于A相定子的角度， 逆时针方向的相位转子θ1+ |θ2| = 90°。
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