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    • 1. 发明申请
    • ELECTRIC MACHINE WITH ENCLOSED, AUTONOMOUS COOLING MEDIUM CIRCUIT
    • 具有封闭的,自给自足的冷却回路,电机
    • WO2012084585A2
    • 2012-06-28
    • PCT/EP2011072518
    • 2011-12-13
    • SIEMENS AGBRANDL KONRADDANOV VLADIMIRDENNERLEIN KLAUSGROMOLL BERNDHOFMANN JUERGENPIOTROWSKI PATRYKSCHROETER ANDREAS
    • BRANDL KONRADDANOV VLADIMIRDENNERLEIN KLAUSGROMOLL BERNDHOFMANN JUERGENPIOTROWSKI PATRYKSCHROETER ANDREAS
    • H02K9/19H02K1/20H02K1/32H02K5/20
    • An electric machine has a base body (1), a rotor shaft (6) and a heat exchanger (10). The base body (1) comprises at least one stator (2). Cooling ducts (4) for a liquid cooling medium are arranged in the base body (1). The rotor shaft (6) is mounted in the base body (1) in such a way that the rotor shaft (6) can rotate about a rotational axis (5). The rotor shaft (6) is embodied as a hollow shaft through which liquid cooling medium can flow. The heat exchanger (10) serves to output heat contained in the liquid cooling medium to the surroundings of the electric machine. The heat exchanger (10), the rotor shaft (6) and the cooling ducts (4) are fluidically connected to one another in pairs so that a closed circuit for the liquid medium is produced. A feed element (11) is arranged in a rotationally fixed fashion on the rotor shaft (6), said feed element being connected into the closed circuit for the liquid cooling medium and being used to forcibly circulate the liquid cooling medium as the rotor shaft (6) rotates about the rotational axis (5) in the closed circuit for the liquid cooling medium.
    • 一种电机,具有基体(1),转子轴(6)和热交换器(10)。 所述基体(1)包括至少一个定子(2)。 在基体(1)的用于设置在液体冷却介质(4)的冷却通道。 所述转子轴(6)被安装在这样的方式在基体(1),即在转子轴(6)围绕旋转轴(5)是可旋转的。 所述转子轴(6)被设计为所述液体冷却介质的空心轴的通流。 所述热交换器(10)起到用于排出包含在所述冷却介质的热量在电机的周围液体中。 所述热交换器(10),所述转子轴(6)和所述冷却通道(4)流体连接到在对彼此,从而获得用于所述液体冷却介质的闭合回路。 在转子轴(6)以不可旋转的输送元件(11)布置,其被循环到用于液体的冷却介质的闭合回路和借助于该液体在所述转子轴的旋转冷却介质(6)围绕旋转轴(5)在用于闭合电路 液体冷却介质被强制地循环。