Abstract: The enclosure of the stator of an electric machine for an integrated compressor drive should be improved. To this end, the winding heads (4) of the stator (2) are embedded in a solid structure on which the enclosure (6) is supported. The structure is preferably made of a potting compound (5) in which additives for increasing the thermal conductivity are introduced. A film (6) serving as a chemical barrier is thus supported pressure-resistant in the outer area on the potting compound (5) and in the inner area on the lamination stack (3) of the stator (2). As a result, the need for complex pressure enclosures in the air-gap area can be eliminated.

Abstract: The novel squirrel-cage rotor should enable a power output of the motor of more than 1 MW even at rotation speeds of more than 10,000 rpm. To this end, the conductor bars (4) of the squirrel cage are soldered into slots (8, 9) arranged on the periphery of the massive rotor core (3) across their entire length, and the conductor bars are arranged to be flush with the surface (13) of the rotor core (3).

Abstract: The novel squirrel-cage rotor should enable a power output of the motor of more than 1 MW even at rotation speeds of more than 10,000 rpm. To this end, the conductor bars (4) of the squirrel cage are soldered into slots (8, 9) arranged on the periphery of the massive rotor core (3) across their entire length, and the conductor bars are arranged to be flush with the surface (13) of the rotor core (3).