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公开(公告)号：US12126241B2
公开(公告)日：2024-10-22
申请号：US17895798
申请日：2022-08-25
申请人： AUDI AG
发明人： Andreas Weber , Philipp Uhlmann , Andreas Ruf
CPC分类号： H02K5/148 , H01R39/385 , H02K9/19 , H02K9/28 , B60L50/60
摘要： A brush holder for holding at least two brushes for a sliding contact arrangement, including an intermediate element and two contact elements for electrically contacting at least one of the brushes, the contact elements being arranged on two opposite sides of the intermediate element and the intermediate element having a receptacle extending through the opposite sides for a rotating shaft.
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公开(公告)号：US11323010B2
公开(公告)日：2022-05-03
申请号：US16927087
申请日：2020-07-13
申请人： AUDI AG
摘要： An electric machine, including a stator and a rotor shaft having a cooling device, which shaft carries at least one slip ring, which has a lateral surface, which electrically contacts a contact element fixed on the stator, and which is at least partially accommodated in a recess of the rotor shaft, wherein an extension section of the slip ring, which is at least partially accommodated in the recess, extends beyond the lateral surface in one or both axial directions of the rotor shaft.
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公开(公告)号：US11757319B2
公开(公告)日：2023-09-12
申请号：US17321086
申请日：2021-05-14
申请人： AUDI AG
摘要： A star disk for a rotor of an externally excited synchronous machine, having a central disk body, from which multiple webs extend radially, at the ends of which an end plate is provided each time, so that between the disk body and the respective end plate there is formed a winding groove, being bounded by the web forming the groove bottom and laterally by the disk body and the end plate, forming groove flanks, and serving to contain a conductor winding led around the web and formed from a conductor wire which is wound in multiple layers, wherein the web is provided with flutes running in the winding direction and serving to contain a respective conductor wire segment, there being provided at least one additional flute on a groove flank at least on one side of the web.
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公开(公告)号：US11264857B2
公开(公告)日：2022-03-01
申请号：US16583626
申请日：2019-09-26
申请人： AUDI AG
发明人： Philipp Uhlmann
摘要： A stator for an electric motor, including a stator ring with slots arranged on the inner or the outer circumference, wherein each slot accommodates a plurality of conductors extending along the slot and having a rectangular cross-section, each of which is covered by an insulation layer, wherein to form a channel through which a coolant can flow, the insulation layer of at least one of the conductors has at least one recess extending along the conductor.
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