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Rotor assembly for an electric machine, electric machine for a vehicle, and vehicle

專利號
US11177709B2
公開日期
2021-11-16
申請人
VALEO SIEMENS EAUTOMOTIVE GERMANY GMBH（DE Erlangen）
發(fā)明人
Nils Krais; Philipp S?ntgerath; Sebastian Waider
IPC分類
H02K1/32; H02K7/00; H02K1/30; H02K1/27
技術(shù)領(lǐng)域
cooling,rotor,channel,shaft,fluid,guiding,magnet,portion,in,sealing
地域： Erlangen

摘要

A rotor assembly for an electric machine, including a rotor core and a shaft, is connected to the rotor core for conjoint rotation, wherein a cooling channel arrangement is formed within the rotor assembly and includes a cooling channel, which extends within the shaft. The rotor assembly further includes a separation element which has a separation portion extending in the circumferential direction at an inner radius of the shaft, wherein the separation portion separates an interior of the shaft into a first shaft portion, in which the cooling channel extends, and into a second shaft portion, wherein the separation element includes a sealing device, which seals off the shaft portions with respect to one another.

說明書

FIG. 6 shows a schematic sketch of an exemplary embodiment of a vehicle 71 in the form of an electric vehicle or a hybrid vehicle, comprising an electric machine 72, which is designed to drive the vehicle 71. The electric machine 72 comprises a stator 73 and, mounted rotatably therein, a rotor assembly 1 according to one of the previously described exemplary embodiments. A coolant circuit comprising the cooling channel arrangement 13 is closed by means of a cooling device 74, which comprises a conveying means and a heat exchanger.

權(quán)利要求

1
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