FUEL DELIVERY PUMP
The invention relates to a fuel delivery pump (4, 15) for delivering fuel, having an electric motor (18) and having a pump impeller which can be driven by way of the electric motor (18), wherein the pump impeller is connected to a rotor (17) of the electric motor (18) by means of a shaft (16) in suc...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a fuel delivery pump (4, 15) for delivering fuel, having an electric motor (18) and having a pump impeller which can be driven by way of the electric motor (18), wherein the pump impeller is connected to a rotor (17) of the electric motor (18) by means of a shaft (16) in such a way that a rotational movement of the rotor (17) is transmitted via the shaft (16) to the pump impeller, wherein the shaft is mounted in the axial direction by way of an axial bearing (12) and/or in the radial direction by way of a radial bearing (20) with respect to a pump stage (11), in whichthe pump impeller is arranged, wherein an electrical insulation element (13) is arranged between the axial bearing (12) and the pump stage (11) and/or an electrical insulation element is arranged between the radial bearing (20) and the pump stage (11).
本发明涉及种用于输送燃料的燃料输送泵(4,15),该燃料输送泵具有电动机(18)并且具有可以借助于该电动机(18)来驱动的泵叶轮,其中,该泵叶轮借助于轴(16)连接至该电动机(18)的转子(17),其方式使得该转子(17)的旋转运动经由该轴(16)被传送至该泵叶轮,其中,该轴在轴向方向借助于轴向轴承(12)和/或在径向方向借助于径向轴承(20 |
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