Magna Powertrain Bad Homburg Gmbh

Dietmar Moeser

Freddy Schönwald

Daniel Ziehr

Benjamin Pyrdok

Carsten Sczesny

The invention relates to an electric motor-driven motor-vehicle vacuum pump (), having a drive shaft () which has, in particular, two bearings and extends with a shaft stub () into a rotor () which is connected fixedly to the shaft stub so as to rotate with it. In the rotor, the shaft stub has a centring region () which serves to center the rotor, without guiding the rotor in the axial direction.

Electric motor-driven motor-vehicle vacuum pump, and drive shaft for a motor vehicle vacuum pump

The invention relates to a vacuum pump for a motor vehicle, comprising a pump housing surface, on which a noise reduction hood delimiting a sound damping volume is mounted. The invention is characterized in that a multi-functional decoupling element is located between the pump housing surface and the noise reduction hood, said element carrying out a sealing function and a valve function in addition to a sound decoupling function.

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Marienheide, Germany

Dietmar Moeser