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公开(公告)号：US20170063209A1
公开(公告)日：2017-03-02
申请号：US15254292
申请日：2016-09-01
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Yong LI
CPC classification number: H02K19/04 , H02K1/14 , H02K1/143 , H02K1/2706 , H02K3/18 , H02K21/185 , H02K29/03
Abstract: A single phase permanent magnet motor includes a stator core, windings wound around the stator core, and a permanent magnet rotor rotatable relative to the stator core. The stator core includes an end portion and a pole arm extending from the end portion. The pole arm includes two connecting arms spaced from each other and pole claws respectively formed at distal ends of the connecting arms. The two pole claws define a space for receiving a rotor therein. The pole claws surround the space and form an arc pole surface. The arc pole surface has a first axial portion continuous along a circumference of the arc pole surface and a second axial portion being discontinuous along a circumferential direction of the arc pole surface.
Abstract translation: 单相永磁电动机包括定子铁芯，缠绕在定子铁心上的绕组以及相对于定子铁心可转动的永久磁铁转子。 定子铁芯包括从端部延伸的端部和极臂。 极臂包括彼此间隔开的两个连接臂和分别形成在连接臂的远端处的杆爪。 两个极爪限定了用于在其中接收转子的空间。 杆爪围绕着空间形成一个弧极表面。 电弧极面具有沿着电弧极面的圆周连续的第一轴向部分和沿着电弧极表面的圆周方向不连续的第二轴向部分。
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公开(公告)号：US20160365781A1
公开(公告)日：2016-12-15
申请号：US15248460
申请日：2016-08-26
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Yong LI
Abstract: A single phase motor includes a rotor including magnetic poles and a stator comprising a stator core and a winding wound on the stator core. The stator core includes a plurality of stator teeth each including a tooth body and a tooth end formed at an end of the tooth body, the tooth end comprising first and second arcuate regions facing the rotor. When the winding is not energized, a first magnetic coupling between said first arcuate region and a selected magnetic pole of said rotor is greater than a second magnetic coupling between said second arcuate region and the selected magnetic pole, said first arcuate region being offset from a selected tooth body in such a way as to enable movement of said rotor to initiate in either of two opposite directions relative to said selected tooth body upon energizing the winding.
Abstract translation: 单相电动机包括包括磁极的转子和包括定子铁心和缠绕在定子铁芯上的绕组的定子。 定子芯包括多个定子齿，每个定子齿包括形成在齿体端部的齿体和齿端，该齿端包括面向转子的第一和第二弧形区域。 当绕组不通电时，所述第一弧形区域和所述转子的选定磁极之间的第一磁耦合大于所述第二弧形区域和所选择的磁极之间的第二磁耦合，所述第一弧形区域偏离 所述选择的齿体以使得所述转子能够在对所述绕组通电时相对于所述选定的齿体在两个相反的方向中的任一个中起动。
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公开(公告)号：US20160352159A1
公开(公告)日：2016-12-01
申请号：US15167664
申请日：2016-05-27
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Mao Xiong JIANG , Jian ZHAO , Yong WANG , Yong LI , Yan Fei LIAO , Ying Song YE , Hai Jun HUA
IPC: H02K1/08
CPC classification number: H02K1/146 , H02K15/022 , H02K15/026 , H02K2213/03 , Y02P80/30
Abstract: A magnetic core for an electric motor has a ring-shaped yoke, teeth extending outwardly from the yoke, and a tooth tip extending from a distal end of each tooth. The core is formed from curved or coils strip laminations having teeth arranged in tooth groups. Each group has four tooth types arranged sequentially. Each tooth has left and right half tooth tips. The length of the half tooth tips vary according to tooth type. When assembled, first type tooth overlap with third type teeth and second type teeth overlap with fourth type teeth, whereby the opening of the winding slot is narrowed compared to laminations having all identical teeth.
Abstract translation: 用于电动机的磁芯具有环形磁轭，从磁轭向外延伸的齿，以及从每个齿的远端延伸的齿尖。 芯部由具有以牙齿组排列的齿的弯曲或线圈条带叠片形成。 每组有四种牙齿顺序排列。 每颗牙齿都有左右半牙尖。 半齿尖的长度根据牙齿类型而变化。 当组装时，与第四类齿重叠的第一类型的齿与第四类型的齿重叠，由此与具有所有相同的齿的叠片相比，卷绕槽的开口变窄。
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公开(公告)号：US20160226322A1
公开(公告)日：2016-08-04
申请号：US15011192
申请日：2016-01-29
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Mao Xiong JIANG , Jian ZHAO , Yong WANG , Yong LI , Yan Fei LIAO
CPC classification number: H02K1/148 , H02K1/146 , H02K15/022 , H02K15/06
Abstract: A motor armature includes a core and windings wound around the core. The core includes an annular yoke and a plurality of teeth extending radially outwardly from the yoke. Each of the teeth includes a winding portion connected with the yoke and a tip formed at a distal end of the winding portion. Each tip has circumferential opposite ends extending beyond the winding portion. A slot opening is forming between ends of adjacent tips. Each of the teeth has a slit on a single circumferential side thereof such that one of the ends of the tip is outwardly tilted relative to the other of end at an original position and is bendable inwardly about the slit to a deformed position where a width of the slot opening is less than that of the slot opening at the original position.
Abstract translation: 一个电动机电枢包括一个铁心和缠绕在铁芯上的绕组。 芯包括环形轭和从轭向径向向外延伸的多个齿。 每个齿包括与轭连接的绕组部分和形成在绕组部分的远端处的尖端。 每个尖端具有延伸超过卷绕部分的周向相对端。 在相邻顶端的端部之间形成槽口。 每个齿在其单个周向侧上具有狭缝，使得尖端的端部中的一个端部相对于另一端在原始位置向外倾斜，并且可以围绕狭缝向内弯曲到变形位置，其中宽度 狭槽开口小于在原始位置处的槽开口的开口。
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公开(公告)号：US20160226320A1
公开(公告)日：2016-08-04
申请号：US15010461
申请日：2016-01-29
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Mao Xiong JIANG , Jian ZHAO , Yong WANG , Yong LI , Yan Fei LIAO
Abstract: An electric motor has stator with a core of magnetic material, a winding frame covering the core and windings wound around the winding frame. The core has an annular yoke and a plurality of teeth that extend radially outwardly from the yoke. The winding frame is an overmolded structure and has an insulation part that covers the core, a supporting part disposed inward of the insulation part and a plurality of ribs that connect the insulation part and the supporting part. A reinforcing ring is embedded in the supporting part. The strength of the reinforcing ring is higher than the strength of the winding frame. Thus material utilization is improved and the weight of the stator is reduced while ensuring the strength of the supporting part.
Abstract translation: 一种电动机具有一个具有磁性材料芯的定子，一个覆盖芯的绕组框架和缠绕在绕组框架上的绕组。 该芯具有一环形轭和从该轭向径向向外延伸的多个齿。 绕线框架是包覆成型的结构，并且具有覆盖芯的绝缘部分，设置在绝缘部分内侧的支撑部分和连接绝缘部分和支撑部分的多个肋。 加强环嵌入支撑部。 加强环的强度高于绕线架的强度。 因此，提高了材料利用率，并且在确保支撑部件的强度的同时减小了定子的重量。
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Patent Agency Ranking
公开(公告)号：US20150349595A1
公开(公告)日：2015-12-03
申请号：US14725474
申请日：2015-05-29
Applicant: Johnson Electric S.A.
Inventor： Mao Xiong JIANG , Jian ZHAO , Guo Wei SUN , Yong LI , Yong WANG , Hong Jiang ZHAO , Yue LI
CPC classification number: H02K1/2786 , H02K1/146 , H02K1/20 , H02K3/325 , H02K5/20 , H02K21/222 , H02K2213/03
Abstract: A permanent magnet motor has a number of permanent magnets forming permanent magnet poles. Each magnet has an outer surface that is an arc surface with a convex middle. An inner surface of the magnet is a curved surface with a concave middle. The curved surface has an arc surface section and two planar surface sections. The arc surface has a pole arc angle α of 0.7 to 0.96, and the ratio of an arc angle β of the arc surface section to the pole arc angle α is 0.15 to 0.35. The shape of the inner surface of the magnet creates uneven air gaps between the rotor poles and the stator core poles. This reduces cogging torque, increases the motor efficiency, and reduces the motor noise.
Abstract translation: 永磁电动机具有多个形成永磁体的永久磁铁。 每个磁体具有外表面，该外表面是具有凸中间的弧形表面。 磁体的内表面是具有凹面中间的曲面。 弯曲表面具有弧形表面部分和两个平面表面部分。 弧面的极弧角α为0.7〜0.96，弧角＆bgr; 的弧面角度与极弧角α成为0.15〜0.35。 磁体内表面的形状在转子极和定子铁芯极之间产生不均匀的气隙。 这样可以减少齿槽转矩，提高电机效率，并降低电机噪音。
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公开(公告)号：US20150349593A1
公开(公告)日：2015-12-03
申请号：US14725525
申请日：2015-05-29
Applicant: Johnson Electric S.A.
Inventor： Mao Xiong JIANG , Jian ZHAO , Guo Wei SUN , Yong LI , Yong WANG , Hong Jiang ZHAO , Yue LI
CPC classification number: H02K1/187 , H02K1/146 , H02K1/2786 , H02K3/345 , H02K5/20 , H02K5/225 , H02K21/22 , H02K2213/03
Abstract: An electric motor has a wound stator and an outer rotor. A core of the stator has outer and inner annular portions. Tooth portions extend radially outwardly from the outer annular portion. Connecting arms interconnect the outer and inner annular portions. The width of the connecting arms is less than the width of the tooth portions. The ratio of tooth height L1 to distance between the roots of adjacent teeth L3 is in the range of 1.0 and 1.3. The ratio of tooth width T3 to L3 is in the range of 0.8 and 1.0. The ratio of tooth length T1 to L3 is in the range of 0.5 and 0.6. The ratio of T3 to outer diameter of the stator core D is in the range of 0.07 and 0.1.
Abstract translation: 电动机具有缠绕定子和外转子。 定子的铁芯具有外环形部分和内环形部分。 齿部从外环形部分径向向外延伸。 连接臂互连外环和内环。 连接臂的宽度小于齿部的宽度。 齿高L1与相邻齿L3的根部之间的距离的比例在1.0和1.3的范围内。 齿宽T3与L3的比值在0.8和1.0的范围内。 齿长T1与L3的比例在0.5和0.6的范围内。 定子铁芯D的T3与外径的比例在0.07和0.1的范围内。
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公开(公告)号：US20170187272A1
公开(公告)日：2017-06-29
申请号：US15391076
申请日：2016-12-27
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Yong LI
CPC classification number: H02K21/14 , H02K1/143 , H02K1/145 , H02K1/148 , H02K1/2706 , H02K3/18 , H02K21/16 , H02K21/185 , H02K29/03 , H02K2201/03
Abstract: A single phase permanent magnet motor includes a stator and a rotor. The stator includes a stator core with windings. The stator core includes a yoke and claw-poles. Each claw-pole forms an arc pole face which is an involute curved face. All arc pole faces cooperatively define a space for receiving the rotor. A gradually changing uneven air gap is defined between the arc pole faces and the rotor. When the motor powers off and stops, the pole axis of the rotor is offset from the central axis of the claw-poles by a certain angle to avoid the rotor to stop at a dead point position, thus facilitating next startup of the motor.
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公开(公告)号：US20170104403A1
公开(公告)日：2017-04-13
申请号：US15291476
申请日：2016-10-12
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Yong LI
Abstract: A step motor includes a stator and a rotor. The stator includes a stator core and stator windings. The stator core includes a ring shaped yoke and a plurality of teeth extending inwardly from the ring shaped yoke. The rotor is rotatably mounted with respect to the stator. The rotor includes a permanent magnet member surrounded by the plurality of teeth. The stator windings are wound around the plurality of teeth to form a plurality of stator poles. The stator core are formed from a core strip with High magnetic conductive, the core strip are bent to enable opposite ends of the core strip to be connected with each other. The step motor of the present invention has a simplified structure and enhanced efficiency.
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公开(公告)号：US20170093260A1
公开(公告)日：2017-03-30
申请号：US15281954
申请日：2016-09-30
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Yong LI
CPC classification number: H02K21/16 , H02K1/146 , H02K1/2706 , H02K1/278 , H02K3/18 , H02K3/28 , H02K3/325 , H02K5/15 , H02K29/03 , H02K2201/03 , H02K2201/06
Abstract: A brushless motor includes a stator and a rotor. The stator includes a stator core and two windings. The stator core includes a yoke, two opposing first teeth, and two second teeth. The windings are respectively wound around the two first teeth. The second teeth are not wound with any winding. The first and second teeth are alternatively arranged. The rotor is received in a space cooperatively bounded by the pole shoes of the main and second teeth. Air gaps are formed between an outer circumferential surface of the rotor and respective pole faces of the first teeth and the second teeth. Each of the air gaps is asymmetrical with regarded to a central line of the corresponding one of the first teeth and the second teeth.
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