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公开(公告)号：US06596215B2
公开(公告)日：2003-07-22
申请号：US09955953
申请日：2001-09-20
申请人： Eiji Mayumi , Yasuhiro Ota , Kazuyo Okajima
发明人： Eiji Mayumi , Yasuhiro Ota , Kazuyo Okajima
IPC分类号： B29C4514
摘要： A stepping motor having a rotor consisting of a permanent magnet magnetized such that N poles and S poles are alternately arranged in the hoop direction, stator cores with pole teeth oppositely disposed on the outer peripheral surface of the rotor, and a coil bobbin integrally containing the stator cores as the result of resin molding and being used for supporting a coil wound thereon. In the stepping motor, holes are formed in the coil bobbin, and the holes range from an outer wall of the coil bobbin to the outer peripheral surfaces of the pole teeth. In the stage of resin molding, the dies are brought into contact with the pole teeth by the utilization of the holes, thereby preventing the pole teeth from being declined in the radial direction, and securing a satisfactory rigidity of the coil bobbin.
摘要翻译： 一种步进电动机，其具有由永久磁铁构成的转子，所述永磁体被磁化以使得N极和S极在环向方向上交替布置，定子铁心具有相对设置在转子的外周面上的极齿，以及线圈架， 定子铁芯作为树脂成型的结果，用于支撑卷绕在其上的线圈。 在步进电机中，在线圈架上形成有孔，并且孔从线圈架的外壁到极齿的外周面。 在树脂成型的阶段，通过利用孔使模具与极齿接触，从而防止极齿沿径向下降，并且确保线圈架的良好刚性。
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公开(公告)号：US20100270886A1
公开(公告)日：2010-10-28
申请号：US12747336
申请日：2008-10-17
申请人： Eiji Uenishi , Eiji Mayumi
发明人： Eiji Uenishi , Eiji Mayumi
IPC分类号： H02K23/04
CPC分类号： H02K23/04 , H02K11/026 , H02K13/10
摘要： Magnetic poles are arranged such that the N pole and the S pole alternate in a circumferential direction. Two N poles face each other with an interval of 180° therebetween, and two S poles face each other with an interval of 180° therebetween. Each of the magnetization center of a North magnetic pole and the magnetization center of a South magnetic pole is positionally shifted from the center position between the magnetization centers of two magnetic poles of the other polarity located on opposite sides of the North or South magnetic pole. The magnetization centers of the magnetic poles are disposed in such a manner as to be positionally shifted from geometric centerlines. Brushes are disposed along the respective geometric centerlines. The magnetization centers of two adjacent magnetic poles are positionally shifted toward or away from each other by the same shift angle α with respect to the respective geometric centerlines.
摘要翻译： 磁极被布置成使得N极和S极在圆周方向上交替。 两个N极彼此间隔180°，两个S极彼此间隔180°彼此面对。 北磁极的磁化中心和南磁极的磁化中心的每一个位于位于位于北或南磁极的相对侧上的另一极性的两个磁极的磁化中心之间的中心位置。 磁极的磁化中心以从几何中心线位置偏移的方式设置。 刷子沿相应的几何中心线布置。 两个相邻磁极的磁化中心相对于相应的几何中心线以相同的移位角α相对于彼此移位或远离。
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公开(公告)号：US20100320854A1
公开(公告)日：2010-12-23
申请号：US12778924
申请日：2010-05-12
申请人： Hiroshi Yamazaki , Eiji Mayumi
发明人： Hiroshi Yamazaki , Eiji Mayumi
IPC分类号： H02K11/02
CPC分类号： H02K5/148 , H02K11/026 , H02K23/04
摘要： A motor includes a tubular housing having flat side walls along each side of rectangular joined with each other by joining sections, a magnet, having magnet poles in the jointing section, disposed along the inner peripheral surfaces of the housing, a shaft inserted along the axis of the housing, an armature fixed to the shaft in such a position as to be opposite to the magnet, a commutator mounted on the shaft, a carbon brush in sliding contact with the outer peripheral surface of the commutator, and electrical components provided within the housing. The electrical components in the longer direction are arranged nonparallely with all the sides of the housing.
摘要翻译： 一种电动机包括：管状壳体，其具有通过接合部分彼此连接的矩形的每一侧的平坦侧壁;在所述接合部分中具有磁极的磁体，沿着所述壳体的内周面设置，沿着所述轴线插入的轴 的电枢固定在与磁体相对的位置上的电枢，安装在轴上的换向器，与换向器的外周面滑动接触的碳刷以及设置在该换向器内的电气部件 住房。 较长方向的电气部件与壳体的所有侧面非对应地布置。
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公开(公告)号：US08330315B2
公开(公告)日：2012-12-11
申请号：US12747336
申请日：2008-10-17
申请人： Eiji Uenishi , Eiji Mayumi
发明人： Eiji Uenishi , Eiji Mayumi
IPC分类号： H02K21/26
CPC分类号： H02K23/04 , H02K11/026 , H02K13/10
摘要： Magnetic poles are arranged such that the N pole and the S pole alternate in a circumferential direction. Two N poles face each other with an interval of 180° therebetween, and two S poles face each other with an interval of 180° therebetween. Each of the magnetization center of a North magnetic pole and the magnetization center of a South magnetic pole is positionally shifted from the center position between the magnetization centers of two magnetic poles of the other polarity located on opposite sides of the North or South magnetic pole. The magnetization centers of the magnetic poles are disposed in such a manner as to be positionally shifted from geometric centerlines. Brushes are disposed along the respective geometric centerlines. The magnetization centers of two adjacent magnetic poles are positionally shifted toward or away from each other by the same shift angle α with respect to the respective geometric centerlines.
摘要翻译： 磁极被布置成使得N极和S极在圆周方向上交替。 两个N极彼此间隔180°，两个S极彼此间隔180°彼此面对。 北磁极的磁化中心和南磁极的磁化中心的每一个位于位于位于北或南磁极的相对侧上的另一极性的两个磁极的磁化中心之间的中心位置。 磁极的磁化中心以从几何中心线位置偏移的方式设置。 刷子沿相应的几何中心线布置。 两个相邻磁极的磁化中心相对于相应的几何中心线以相同的移位角α相对于彼此移位或远离。
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公开(公告)号：US07095148B2
公开(公告)日：2006-08-22
申请号：US10683879
申请日：2003-10-09
申请人： Eiji Mayumi
发明人： Eiji Mayumi
IPC分类号： H02K5/00
CPC分类号： H02K5/1672 , H02K1/145 , H02K37/14
摘要： A stepping motor includes a rotor with a permanent magnet, a rotary shaft extending from the rotor and a stator placed around the rotor. The stepping motor comprises a stator core placed on one end section in a motor axial line direction of the stator, a bearing plate that includes a bearing for rotatably supporting the rotary shaft and is placed at an end section of the stator adjacent to the stator core, and an end plate fixed to an end surface of the stator core on an outer circumference side of the bearing plate. The stator core includes a plurality of salient poles that bend in the motor axial line direction at an inner circumferential edge of the stator core to oppose the permanent magnet, and concave sections that recede in the radial direction and formed between the bent parts of the salient poles. The end plate is affixed to an end surface of the stator core on an outer circumference side of the bearing plate, wherein the bearing plate has a plurality of engaging sections that hook on the end surface of the stator core and a plurality of convex sections that protrude towards inside of the concave sections of the stator core and hook on an end surface of the end plate.
摘要翻译： 步进电动机包括具有永磁体的转子，从转子延伸的旋转轴和围绕转子设置的定子。 所述步进电动机包括：定子铁芯，其设置在所述定子的电动机轴线方向的一端部;支承板，其具有用于可旋转地支撑所述旋转轴的轴承，并且配置在所述定子的与所述定子铁芯相邻的端部 以及在所述支承板的外周侧固定到所述定子铁芯的端面的端板。 定子铁芯包括多个凸极，它们在定子铁心的内圆周边缘沿电动机轴线方向弯曲，与永磁体相对;以及凹部，其在径向方向后退，形成在突出部分的弯曲部分之间 两极 端板在轴承板的外周侧固定在定子铁芯的端面上，其中，支承板具有钩在定子铁芯的端面上的多个接合部和多个凸部， 突出到定子芯的凹部的内侧，并且在端板的端面上钩。
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公开(公告)号：US06762530B2
公开(公告)日：2004-07-13
申请号：US09778270
申请日：2001-02-06
申请人： Eiji Mayumi
发明人： Eiji Mayumi
IPC分类号： H02K112
CPC分类号： H02K1/145 , Y10T29/49009
摘要： A motor has a stator with a simplified structure having a stator section including at least two core pairs. Each of the core pairs includes inner and outer cores. Coils are wound around the core pairs. A case made of a magnetic material covers the coils in a manner that the case more securely comes in contact with the inner cores and the outer cores. The case is welded to at least the inner cores to securely form independent magnetic circuits.
摘要翻译： 电动机具有具有简化结构的定子，其具有包括至少两个芯对的定子部分。 每个核心对包括内核和外核。 线圈缠绕在芯线对上。 由磁性材料制成的壳体以更牢固地与内芯和外芯接触的方式覆盖线圈。 该壳体至少焊接在内芯上，以牢固地形成独立的磁路。
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公开(公告)号：US06541886B2
公开(公告)日：2003-04-01
申请号：US09879281
申请日：2001-06-12
申请人： Eiji Mayumi
发明人： Eiji Mayumi
IPC分类号： H02K500
摘要： A motor comprises a stator, a rotor being arranged in and facing said stator, an urging member which urges a center rotation shaft of the rotor in an axial direction, and a bearing which rotatably holds the rotor at a predetermined position while receiving an urging force by the urging member. The stator is provided with a resin coil bobbin made by insert molding and integratedly assembled with a metal stator core. The stator core is arranged in and faces the rotor and forms a magnetic circuit therewith. The coil bobbin is arranged at the end side of the rotor. A holding portion is integratedly formed, the holding portion holds the urging member so as to urge the rotor to the bearing side. A curling base is fitted in. The curling base is formed such that a flat plate-shaped metal plate is rounded from outside of a winding wound by the electric coil bobbin in the circumference direction of the stator.
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公开(公告)号：US08258661B2
公开(公告)日：2012-09-04
申请号：US12778924
申请日：2010-05-12
申请人： Hiroshi Yamazaki , Eiji Mayumi
发明人： Hiroshi Yamazaki , Eiji Mayumi
CPC分类号： H02K5/148 , H02K11/026 , H02K23/04
摘要： A motor includes a tubular housing having flat side walls along each side of rectangular joined with each other by joining sections, a magnet, having magnet poles in the jointing section, disposed along the inner peripheral surfaces of the housing, a shaft inserted along the axis of the housing, an armature fixed to the shaft in such a position as to be opposite to the magnet, a commutator mounted on the shaft, a carbon brush in sliding contact with the outer peripheral surface of the commutator, and electrical components provided within the housing. The electrical components in the longer direction are arranged such that they are not parallel with all the sides of the housing.
摘要翻译： 一种电动机包括：管状壳体，其具有通过接合部分彼此连接的矩形的每一侧的平坦侧壁;在所述接合部分中具有磁极的磁体，沿着所述壳体的内周面设置，沿着所述轴线插入的轴 的电枢固定在与磁体相对的位置上的电枢，安装在轴上的换向器，与换向器的外周面滑动接触的碳刷以及设置在该换向器内的电气部件 住房。 较长方向的电气部件布置成使得它们不与壳体的所有侧面平行。
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公开(公告)号：US20050225185A1
公开(公告)日：2005-10-13
申请号：US10683879
申请日：2003-10-09
申请人： Eiji Mayumi
发明人： Eiji Mayumi
CPC分类号： H02K5/1672 , H02K1/145 , H02K37/14
摘要： A stepping motor includes a rotor with a permanent magnet, a rotary shaft extending from the rotor and a stator placed around the rotor. The stepping motor comprises a stator core placed on one end section in a motor axial line direction of the stator, a bearing plate that includes a bearing for rotatably supporting the rotary shaft and is placed at an end section of the stator adjacent to the stator core, and an end plate fixed to an end surface of the stator core on an outer circumference side of the bearing plate. The stator core includes a plurality of salient poles that bend in the motor axial line direction at an inner circumferential edge of the stator core to oppose the permanent magnet, and concave sections that recede in the radial direction and formed between the bent parts of the salient poles. The end plate is affixed to an end surface of the stator core on an outer circumference side of the bearing plate, wherein the bearing plate has a plurality of engaging sections that hook on the end surface of the stator core and a plurality of convex sections that protrude towards inside of the concave sections of the stator core and hook on an end surface of the end plate.
摘要翻译： 步进电动机包括具有永磁体的转子，从转子延伸的旋转轴和围绕转子设置的定子。 所述步进电动机包括：定子铁芯，其设置在所述定子的电动机轴线方向的一端部;支承板，其具有用于可旋转地支撑所述旋转轴的轴承，并且配置在所述定子的与所述定子铁芯相邻的端部 以及在所述支承板的外周侧固定到所述定子铁芯的端面的端板。 定子铁芯包括多个凸极，它们在定子铁心的内圆周边缘沿电动机轴线方向弯曲，与永磁体相对;以及凹部，其在径向方向后退，形成在突出部分的弯曲部分之间 两极 端板在轴承板的外周侧固定在定子铁芯的端面上，其中，支承板具有钩在定子铁芯的端面上的多个接合部和多个凸部， 突出到定子芯的凹部的内侧，并且在端板的端面上钩。
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公开(公告)号：US06707196B2
公开(公告)日：2004-03-16
申请号：US10068781
申请日：2002-02-05
申请人： Eiji Mayumi
发明人： Eiji Mayumi
IPC分类号： H02K502
摘要： A motor includes a rotor equipped with a magnet magnetized in multiple poles, a stator yoke having claw poles with plural pole teeth disposed opposing to one another and arranged in a cylindrical shape extending in an axial direction and around an outer periphery of the rotor in a circumferential direction, a bobbin formed from a coil wound around the stator yoke, and a cylindrical motor case that houses the rotor, the stator yoke and the bobbin. The cylindrical motor case is formed from conductive material and uses as at least a part of the yoke. The motor case defines generally parallel planes tangential to an outer periphery of the coil, and has side wall sections extending in close proximity to the parallel planes and defining plane opening sections, and a part of an outer peripheral surface of the coil of the bobbin protrudes from the opening sections.
摘要翻译： 一种电动机包括具有以多个磁极磁化的磁体的转子，具有多个极齿的爪极的定子磁轭，该磁极具有彼此相对设置的多个极齿，并且在轴向方向上延伸并围绕转子的外周排列成圆柱形 由缠绕在定子线圈上的线圈形成的线轴和容纳转子，定子线圈和线轴的圆筒形马达壳体。 圆柱形电动机壳由导电材料形成并且用作轭的至少一部分。 电动机壳体大致平行于与线圈的外周相切的平面，并且具有靠近平行平面延伸并限定平面开口部的侧壁部，并且筒管的线圈的外周面的一部分突出 从开放部分。
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