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    External rotor motor with cast stator
    2.
    发明授权
    External rotor motor with cast stator 有权

    公开(公告)号：US11626769B2

    公开(公告)日：2023-04-11

    申请号：US16605327

    申请日：2018-04-18

    申请人： Lenze Drives GmbH

    发明人： Volker Grabs ,  Matthias Thesseling ,  Olaf Huebner

    IPC分类号： H02K5/173 ,  H02K7/08 ,  H02K21/22

    摘要： An electric machine may be an external rotor motor with a stator and a rotor surrounding the stator. The rotor may be mounted on bearings so as to be rotatable around an axis of rotation relative to the stator, where the mechanical forces transmitted by the bearings of the rotor may be absorbed at least in part by the stator. The stator may have a coil winding for generating a magnetic field, the coil winding being surrounded at least partially by a casting compound. At the output, the mechanical forces of the rotor or the device transmitted by the bearings and taken up by the stator may be introduced into the stator largely via the casting compound. The casting compound thus reduces induced vibrations.

    EXTERNAL ROTOR MOTOR WITH CAST STATOR
    3.
    发明申请
    EXTERNAL ROTOR MOTOR WITH CAST STATOR 有权

    公开(公告)号：US20210152045A1

    公开(公告)日：2021-05-20

    申请号：US16605327

    申请日：2018-04-18

    申请人： Lenze Drives GmbH

    发明人： Volker Grabs ,  Matthias Thesseling ,  Olaf Huebner

    IPC分类号： H02K5/173 ,  H02K7/08 ,  H02K21/22

    摘要： An electric machine may be an external rotor motor with a stator and a rotor surrounding the stator. The rotor may be mounted on bearings so as to be rotatable around an axis of rotation relative to the stator, where the mechanical forces transmitted by the bearings of the rotor may be absorbed at least in part by the stator. The stator may have a coil winding for generating a magnetic field, the coil winding being surrounded at least partially by a casting compound. At the output, the mechanical forces of the rotor or the device transmitted by the bearings and taken up by the stator may be introduced into the stator largely via the casting compound. The casting compound thus reduces induced vibrations.

    Motor system
    4.
    发明授权
    Motor system 有权

    公开(公告)号：US10811929B2

    公开(公告)日：2020-10-20

    申请号：US15529403

    申请日：2015-11-23

    申请人： Lenze Drives GmbH

    发明人： Jan Wettlaufer ,  Abdenbi Maghnaoui ,  Torben Jonsky ,  Volker Grabs ,  Martin Ehlich

    IPC分类号： H02K5/20 ,  H02K9/16 ,  H02K11/33 ,  H02K5/16

    摘要： A motor system includes: a stator; a rotor; a motor shaft, which is mechanically coupled for conjoint rotation with the rotor, and which defines a radial direction and an axial direction of the motor system; heat-generating components, in particular power semiconductors; a control device which is designed to control an operation of the motor system; and a housing. The housing has a first central chamber, wherein the stator, the rotor and the heat-generating components are arranged inside the first chamber, and wherein the heat-generating components are connected to an outer wall of the first chamber, and has a number of second chambers, wherein the second chambers radially surround the first chamber, and wherein the second chambers form closed channels for guiding cooling air.

    Drive system
    5.
    发明授权
    Drive system 有权

    公开(公告)号：US10312838B2

    公开(公告)日：2019-06-04

    申请号：US15753859

    申请日：2016-08-19

    申请人： Lenze Drives GmbH

    发明人： Heiko Stichweh ,  Felix Klute ,  Torben Jonsky ,  Thorsten Hohnsbein ,  Volker Grabs ,  Holger Borcherding

    IPC分类号： H02P25/22 ,  H02P6/10 ,  H02P27/08 ,  H02P27/14 ,  H02M7/5387

    摘要： A drive system has an electric motor, wherein the electric motor includes a first three-phase stator winding system and a second three-phase stator winding system. The first and the second stator winding system are arranged on the stator in a manner rotated through an electrical phase angle in relation to one another. The drive system includes a frequency converter, wherein the frequency converter has a first bridge circuit arrangement which is designed to generate voltages for the first winding system and a second bridge circuit arrangement which is designed to generate voltages for the second winding system. The first bridge circuit arrangement and the second bridge circuit arrangement are connected in series. A control device is designed to actuate the first bridge circuit arrangement and the second bridge circuit arrangement.