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公开(公告)号：US20170271968A1
公开(公告)日：2017-09-21
申请号：US15459555
申请日：2017-03-15
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Xiao Ning ZHU , Yong WANG , Yong Gang ZHANG , Hong Liang YI , Ya Ming ZHANG
CPC classification number: H02K19/04 , F04D25/06 , F04D29/325 , H02K1/143 , H02K1/2733 , H02K5/161 , H02K7/08 , H02K7/083 , H02K7/14 , H02K21/16
Abstract: An electric motor includes a stator and a rotor rotatably mounted to the stator. The rotor includes a rotary shaft; a rotor main body attached around the rotary shaft, the rotor main body and the rotary shaft being loosely fit with each other thus allowing for a rotation speed difference therebetween; and a buffering device arranged between the rotor main body and the rotary shaft for synchronizing rotation speeds of the rotor main body and the rotary shaft in a time-delayed manner. The motor is preferably a single phase synchronous motor. An electrical apparatus using the motor is also provided.
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公开(公告)号：US20170222527A1
公开(公告)日：2017-08-03
申请号：US15421544
申请日：2017-02-01
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Tao ZHANG , Jie CHAI , Chui You ZHOU
CPC classification number: H02K21/16 , H02K1/146 , H02K1/2706 , H02K1/276 , H02K19/04 , H02K29/03 , H02K2213/03
Abstract: A single phase motor includes a stator and a rotor. The stator includes a stator core. The stator core includes an outer yoke and a plurality of stator teeth. Each stator tooth includes a winding portion and a pole shoe coupled to the winding portion. The rotor includes a rotor core and a plurality of permanent magnets. The permanent magnets are embedded in the rotor core and evenly distributed in the circumferential direction of the rotor core. Each permanent magnet has a stripe-shaped asymmetric structure, and cross-sectional areas at both ends of each permanent magnet are not equal. The initial position of the rotor is able to avoid the dead point position, and the start-up of the motor is stable. The present invention also provides a rotor for the single phase motor.
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公开(公告)号：US20170222498A1
公开(公告)日：2017-08-03
申请号：US15421527
申请日：2017-02-01
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Tao ZHANG , Jie CHAI , Chui You ZHOU
IPC: H02K1/14 , H02K15/02 , H02K15/095 , H02K3/18
CPC classification number: H02K1/146 , H02K3/18 , H02K15/022 , H02K15/095 , H02K2213/09
Abstract: A motor stator and a method for forming the motor stator are provided. The method includes the steps of: providing a plurality of plates or metal powder, forming the plate or the metal powder into a plurality of magnetic laminations, wherein each magnetic lamination comprises a yoke portion and a plurality of stator teeth, each of the stator teeth comprises a tooth portion and two pole shoes, and one end of one of the pole shoes extends towards the direction away from the yoke portion to form a bent portion; axially overlapping the plurality of magnetic laminations and fixing the magnetic laminations to form a stator core; winding wires to the stator core; and bending the bent portions towards adjacent stator teeth, to form a smooth transition connection between the bent portions and the pole shoes connected thereto. The method makes the winding convenient and fast.
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公开(公告)号：US20170093259A1
公开(公告)日：2017-03-30
申请号：US15281894
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 , H02K1/148 , H02K1/2706 , H02K1/278 , H02K3/18 , H02K3/28 , H02K29/00
Abstract: A brushless motor includes a stator and a rotor. The stator includes a stator core and a plurality of windings. The stator core includes a yoke, and a plurality of teeth extending from the yoke. Each of the teeth comprising two pole shoes extending in opposite ways along a circumferential direction of the yoke. Pole shoes of adjacent teeth are connected through a magnetic bridge having a larger magnetic reluctance than that of the poles shoes, which reduces the magnetic leakage and increases the motor power density. Axial thickness of each of the magnetic bridges is smaller than that of the poles shoes.
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公开(公告)号：US20170093233A1
公开(公告)日：2017-03-30
申请号：US15282046
申请日：2016-09-30
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Yong LI
CPC classification number: H02K1/146 , H02K1/148 , H02K1/2706 , H02K1/278 , H02K1/28 , H02K3/325 , H02K21/16 , H02K29/03
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. A plurality of slot openings is defined between the pole shoes of the first teeth and adjacent pole shoe of the adjacent second teeth, which reduces the magnetic leakage and increases the motor power density.
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Patent Agency Ranking
公开(公告)号：US20170063208A1
公开(公告)日：2017-03-02
申请号：US15240381
申请日：2016-08-18
Applicant: Johnson Electric S.A.
Inventor： Yue Li , Chui You ZHOU , Yong WANG , Yong LI
CPC classification number: H02K19/04 , H02K1/146 , H02K1/16 , H02K1/2706 , H02K1/278 , H02K3/18 , H02K15/02 , H02K15/095 , H02K29/03 , H02K2201/03
Abstract: A single phase permanent magnet motor and a method for making the same are provided. The method includes the steps of: configuring a stator core, wherein the stator core comprises a first ring portion, tooth bodies, and a pole shoe extending from each tooth body, a slot opening is defined between each two adjacent pole shoes, at least one pole shoe includes a main portion, a connecting portion and an easily bendable tip, the easily bendable tip is bent relative to the main portion about the connecting portion; winding a stator winding around the stator core; and bending the easily bendable tip about the connecting portion to narrow the slot opening. The present invention can change the size of the slot opening, thus more rapidly finishing the winding of the stator winding and enhancing the efficiency of the motor fabrication.
Abstract translation: 提供单相永磁电动机及其制造方法。 该方法包括以下步骤：构造定子铁心，其中定子铁芯包括第一环部分，齿体和从每个齿体延伸的极靴，每个两个相邻的极靴之间限定有槽口，至少一个 极靴包括主要部分，连接部分和易弯曲的尖端，容易弯曲的尖端相对于主要部分围绕连接部分弯曲; 绕定子铁心缠绕定子绕组; 并且使所述容易弯曲的尖端围绕所述连接部弯曲以使所述狭槽开口变窄。 本发明可以改变槽开口的尺寸，从而更快速地完成定子绕组的绕组并提高电机制造的效率。
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公开(公告)号：US20170063176A1
公开(公告)日：2017-03-02
申请号：US15254230
申请日：2016-09-01
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Hong Liang Yi , Yong Gang ZHANG , Yong WANG , Wei ZHANG , Xiao Ning ZHU , Yong LI
CPC classification number: H02K1/143 , H02K7/14 , H02K21/185
Abstract: A single phase motor and an electrical device are provided. The single phase motor includes a stator and a rotor. The stator includes a stator core and a winding wound around the stator core. The stator core includes a yoke and two opposed pole portions. Each pole portion includes short and long pole shoes. The rotor is received in a space defined by the short and long pole shoes of the two pole portions. The short pole shoe of each pole portion and the long pole shoe of the opposite pole portion are located adjacent to each other and define a slot opening therebetween. Each pole portion includes the short pole shoe and long pole shoe, which provides the motor with different startup capabilities along the clockwise and counter-clockwise directions.
Abstract translation: 提供单相电动机和电气装置。 单相电动机包括定子和转子。 定子包括定子芯和围绕定子芯卷绕的绕组。 定子铁心包括一个轭和两个相对的极部分。 每个极部分包括短和长的极靴。 转子被容纳在由两个极部分的短和长极靴所限定的空间中。 每个极部分的短极靴和相对极部分的长极靴彼此相邻并且在它们之间限定一个狭槽开口。 每个极部分包括短杆靴和长杆靴，其沿着顺时针和逆时针方向为马达提供不同的启动能力。
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公开(公告)号：US20170063174A1
公开(公告)日：2017-03-02
申请号：US15252644
申请日：2016-08-31
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Yong LI
CPC classification number: H02K21/185 , H02K1/143 , H02K1/2733
Abstract: The present invention provides a stator core comprising an end portion and a pole arm extending from the end portion. The pole arm includes two spaced connecting arms and two 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 forms a discontinuity opening along a circumferential direction. The discontinuity opening faces a spacing between the connecting arms and has a width changed along an axial direction.
Abstract translation: 本发明提供一种定子铁芯，其包括端部和从该端部延伸的极臂。 极臂包括分别形成在连接臂的远端处的两个间隔开的连接臂和两个极爪。 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。 弧极表面沿圆周方向形成不连续的开口。 不连续开口面向连接臂之间的间隔并具有沿着轴向方向改变的宽度。
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公开(公告)号：US20160329794A1
公开(公告)日：2016-11-10
申请号：US15148876
申请日：2016-05-06
Applicant: Johnson Electric S.A.
CPC classification number: H02K21/22 , H02K1/146 , H02K1/2786 , H02K3/18
Abstract: A single-phase outer-rotor motor includes a stator and a rotor surrounding the stator. The stator includes a stator core and windings wound around the stator core. The stator core includes a yoke and a plurality of teeth extending integrally, radially outwardly from an outer edge of the yoke. Each of the teeth includes a tooth body connected with the yoke and a tooth tip formed at a distal end of the tooth body. A winding slot is formed between each two adjacent tooth bodies. The windings are wound around the tooth bodies. The tooth tips are connected in the circumferential direction to form a closed ring, and outer wall surfaces of the tooth tips collectively form a circumferentially closed cylindrical surface.
Abstract translation: 单相外转子电动机包括定子和围绕定子的转子。 定子包括定子芯和围绕定子芯缠绕的绕组。 定子铁心包括一个磁轭和从轭的外边缘径向向外延伸的多个齿。 每个齿包括与轭连接的齿体和形成在牙体的远端的齿尖。 在每个两个相邻的齿体之间形成一个卷绕槽。 绕组缠绕在牙体上。 齿尖在圆周方向上连接以形成闭环，并且齿尖的外壁表面一起形成周向封闭的圆柱形表面。
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公开(公告)号：US20160329757A1
公开(公告)日：2016-11-10
申请号：US15148806
申请日：2016-05-06
Applicant: Johnson Electric S.A.
Inventor： Yue LI , Chui You ZHOU , Yong WANG , Gang LI , Yong LI , Wei ZHANG , Jie CHAI , Jing Ning TA , Bin YU
CPC classification number: H02K1/146 , D06F37/02 , D06F37/206 , D06F37/304 , H02K1/2786 , H02K29/03 , H02K2201/03 , H02K2213/03
Abstract: A driving apparatus for a washing machine includes a single-phase outer rotor brushless motor and a driving wheel. The motor drives the driving wheel and includes a stator and a rotor. The stator includes a stator core and windings wound around the stator core. The rotor includes a rotor yoke, and a permanent magnet. An inner surface of the permanent magnet and an outer surface of a tooth tip are opposed to each other and define an uneven gap there between for allowing the rotor to rotate relative to the stator. A radial width of the gap associated with each magnetic pole progressively increases from a center portion toward circumferential ends of the magnetic pole, and a radial width of the gap associated with each magnetic pole is symmetrical with respect to a center axis of the magnetic pole along the circumferential direction.
Abstract translation: 洗衣机的驱动装置包括单相外转子无刷电动机和驱动轮。 电动机驱动驱动轮并且包括定子和转子。 定子包括定子芯和围绕定子芯缠绕的绕组。 转子包括转子轭和永磁体。 永磁体的内表面和齿尖的外表面彼此相对并且在其间限定了不平坦的间隙，以允许转子相对于定子旋转。 与每个磁极相关联的间隙的径向宽度从中心部分朝向磁极的圆周端逐渐增加，并且与每个磁极相关联的间隙的径向宽度相对于磁极的中心轴对称 圆周方向。
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