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    Secondary Part of a Linear Electrical Machine, and Method for its Production
    321.
    发明申请
    Secondary Part of a Linear Electrical Machine, and Method for its Production 失效
    线性电机的二次部件及其制造方法

    公开(公告)号：US20080246350A1

    公开(公告)日：2008-10-09

    申请号：US12088145

    申请日：2006-09-07

    Applicant: Thomas Hoppe ,  Markus Jakobi ,  Hermann Sailer

    Inventor： Thomas Hoppe ,  Markus Jakobi ,  Hermann Sailer

    IPC: H02K41/02 ,  H02K15/00

    CPC classification number: H02K41/031 ,  H02K1/278 ,  H02K7/08 ,  H02K15/03 ,  H02K15/12 ,  H02K2201/03 ,  Y10T29/49009

    Abstract: The invention relates to a secondary part (2, 3) of a linear electrical machine (5), wherein the secondary part (2, 3) has permanent magnets (11) and a mount (13). The secondary part (2, 3) has spacer elements (9), wherein an installation height of the secondary part (2, 3) is also determined by means of the spacer elements (9). Tolerances of the installation height can be maintained more easily by means of the spacer elements. In a method for manufacturing a secondary part (2, 3) of a linear electrical machine (5), the spacer elements (9) are cast together with the mount (13) on which the permanent magnets (9) are arranged such that the permanent magnets (9) are embedded in the casting compound (15) and the casting compound (15) forms the surface of the secondary part (2, 3) in the region of the permanent magnets (11), wherein the spacer elements (9) protrude out of the casting compound (15) such that part of the surface of the secondary part (2, 3) is also formed by the spacer elements (9).

    Abstract translation: 本发明涉及线性电机（5）的次级部件（2,3），其中次级部件（2,3）具有永磁体（11）和安装件（13）。 次级部件（2,3）具有间隔元件（9），其中辅助部件（2,3）的安装高度也通过间隔元件（9）确定。 通过间隔元件可以更容易地保持安装高度的公差。 在用于制造线性电机（5）的次级部件（2,3）的方法中，间隔元件（9）与其上布置有永磁体（9）的安装件（13）一起铸造，使得 在永久磁铁（11）的区域内，永久磁铁（9）嵌入在铸塑料（15）中，铸塑料（15）形成次级部件（2,3）的表面，其中间隔元件 ）从铸塑料（15）突出出来，使得次级部件（2,3）的表面的一部分也由间隔元件（9）形成。

    Iron core linear motor having low detent force with high power density
    322.
    发明申请
    Iron core linear motor having low detent force with high power density 失效
    铁芯线性电动机具有低功率密度的定位力

    公开(公告)号：US20080111430A1

    公开(公告)日：2008-05-15

    申请号：US11977376

    申请日：2007-10-24

    Applicant: Alois Jenny

    Inventor： Alois Jenny

    IPC: H02K41/02

    CPC classification number: H02K41/031 ,  H02K29/03 ,  H02K2201/03

    Abstract: In a linear motor (1), the detent force is reduced by the height of the iron poles (522) being selected differently in the two outer regions of the coil set, preferably by a gradual reduction of the height of the iron poles (522) towards the ends of the stator (2). In combination with a slight inclination of the magnets, the detent forces are further minimized, with negligible losses of the propulsive force.The exact dimensioning of the iron poles (522) is dependent inter alia on the dimensioning of the coils (51) and other characteristics of the linear motor (1) as a whole, and can be found and optimized by simulations. Here, an optimum is sought between as great a reduction as possible of the detent force amplitude and as high a propulsive force as possible. A linear motor (1) according to the invention has substantially the same manufacturing costs as a conventional linear motor without measures against the detent forces, because no costly active devices are necessary and the production of the stator does not become more complicated. As no additional space is necessary for active or passive devices for detent force reduction, such a linear motor is of more compact construction and therefore has a higher power density.

    Abstract translation: 在线性马达（1）中，通过在线圈组的两个外部区域不同地选择的铁杆（522）的高度减小制动力，优选地通过逐渐减小铁杆（522）的高度 ）朝向定子（2）的端部。 结合磁铁的轻微倾斜，制动力进一步最小化，推进力的损失可忽略不计。 铁杆（522）的精确尺寸特别依赖于线圈（51）的尺寸和线性电动机（1）的整体的其他特性，并且可以通过模拟找到并优化。 在这里，寻求尽可能大的减震力和尽可能高的推进力的最佳值。 根据本发明的线性电动机（1）具有与常规线性电动机基本相同的制造成本，而不需要抵抗制动力，因为不需要昂贵的有源装置，并且定子的生产不会变得更加复杂。 由于不需要用于有效或无源的止动力减小装置的额外空间，所以这种线性电动机的结构更紧凑，因此具有更高的功率密度。

    Linear motor and manufacturing method thereof
    324.
    发明授权
    Linear motor and manufacturing method thereof 有权
    线性电动机及其制造方法

    公开(公告)号：US06943465B2

    公开(公告)日：2005-09-13

    申请号：US10810614

    申请日：2004-03-29

    Applicant: Houng Joong Kim ,  Hiroshi Katayama ,  Kohji Maki

    Inventor： Houng Joong Kim ,  Hiroshi Katayama ,  Kohji Maki

    IPC: H02K41/00 ,  H02K41/03

    CPC classification number: H02K41/031 ,  H02K1/145 ,  H02K7/09 ,  H02K2201/03 ,  H02K2213/03

    Abstract: To reduce the magnetic flux leakage through the gap between magnetic pole teeth of an armature so as to reduce the magnetic attraction force generated between the armature and a needle, an armature unit is provided with two magnetic poles 1 and 2, on the top of which are magnetic pole teeth 11a, 12b, 21b, and 22a protruding toward the opposing magnetic pole, where the magnetic pole teeth of the magnetic pole 1 are arranged at two heights, upper and lower, and the magnetic pole teeth of the opposing magnetic pole 2 are arranged at two heights, upper and lower, so that the magnetic flux flows upward and downward alternately between the upper and lower magnetic pole teeth. The needle 6 equipped with permanent magnets moves relatively in the gap 8 between the upper and lower magnetic pole surfaces of the armature unit.

    Abstract translation: 为了减小通过电枢的磁极齿之间的间隙的磁通量泄漏，以减小电枢和针之间产生的磁吸引力，电枢单元设置有两个磁极1和2，其顶部 是朝向相对的磁极突出的磁极齿11a，12b，21b和22a，其中磁极1的磁极齿布置在上下两个高度处，并且磁极齿 相对的磁极2被布置在上下两个高度处，使得磁通量在上磁极齿和下磁极齿之间交替地上下流动。 装配有永磁体的针6相对于衔铁单元的上下磁极面之间的间隙8移动。

    Claw-pole alternator with non-uniform air gap
    325.
    发明授权
    Claw-pole alternator with non-uniform air gap 失效
    爪式交流发电机具有不均匀的气隙

    公开(公告)号：US06903485B2

    公开(公告)日：2005-06-07

    申请号：US10442332

    申请日：2003-05-21

    Applicant: Hanyang B. Chen ,  Steven J. Yockey ,  Michael T. York

    Inventor： Hanyang B. Chen ,  Steven J. Yockey ,  Michael T. York

    IPC: H02K1/22 ,  H02K19/22 ,  H02K21/00

    CPC classification number: H02K21/044 ,  H02K2201/03

    Abstract: An alternator of the present invention includes a housing, a stator assembly mounted stationary within the housing, and a rotor assembly mounted rotatably within the housing in functional engagement with the stator assembly. An air gap extends annularly around the alternator between the rotor assembly and the stator assembly. The rotor assembly has a first end and a second end, and the air gap has a non-uniform thickness that varies along the axial length of the rotor assembly between the first and second ends of the rotor assembly. This non-uniform thickness is designed to avoid interference between rotor outer surface and stator inner surface at high rotor spin speed, but minimize the averaged air gap thickness for high alternator performance.

    Abstract translation: 本发明的交流发电机包括壳体，固定在壳体内的定子组件，以及可旋转地安装在壳体内的与定子组件功能接合的转子组件。 气隙在转子组件和定子组件之间的交流发电机周围环形地延伸。 转子组件具有第一端和第二端，并且气隙具有沿转子组件的轴向长度在转子组件的第一和第二端之间变化的不均匀厚度。 这种不均匀的厚度被设计为避免转子外表面和定子内表面之间在高转子旋转速度下的干扰，但是对于高交流发电机性能来说，最小化平均气隙厚度。

    MONITORING AND REMEDIATION PROCESS AND SYSTEM FOR AN ELECTRIC MOTOR
    327.
    发明公开
    MONITORING AND REMEDIATION PROCESS AND SYSTEM FOR AN ELECTRIC MOTOR 审中-公开

    公开(公告)号：US20240154548A1

    公开(公告)日：2024-05-09

    申请号：US18054047

    申请日：2022-11-09

    Applicant: DANA TM4 ITALIA S.R.L.

    Inventor： Walter FAEDO ,  Riccardo BICEGO

    IPC: H02P6/18 ,  H02K1/2781

    CPC classification number: H02P6/18 ,  H02K1/2781 ,  H02K2201/03

    Abstract: Methods and systems are disclosed for monitoring rotor flux linkage of a rotor via a monitoring mode and resetting rotor flux linkage of the rotor via a resetting mode. As one example, monitoring rotor flux linkage includes measuring rotor flux linkage generated by rotor magnets at an air gap of the motor continuously during run-time via a plurality of models and various system components. As another example, resetting rotor flux linkage includes ensuring motor movement ceases and injecting a positive pulse d-axis current for a plurality of motor pole pairs in response to rotor flux linkage not being within a pre-determined threshold. In this way, magnets with low remanent flux density and low coercivity may be utilized in various embodiments of electric motors, reducing design complexity of a rotor of an electric motor, and in turn, reducing production costs.

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