A motor-pump unit including an electric motor and a pump. The pump is concentrically surrounded by the rotor/stator of the motor. The rotor of the electric motor is U-shaped, viewed in an axial section. The cross-piece of the "U", in the region of the common axis, is provided with an interior toothing. The shaft of the pump includes a pinion that meshes with the interior toothing of the cross-piece of the "U".

Una unidad del motor-pump incluyendo un motor eléctrico y una bomba. La bomba concéntrico es rodeada por el rotor/stator del motor. El rotor del motor eléctrico es en forma de "U", visto en una sección axial. El travesaño del "U", en la región del eje común, se proporciona dientes interiores. El eje de la bomba incluye un piñón ese los acoplamientos con los dientes interiores del travesaño del "U".

 
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