Electric machine with improved cooling feature

   
   

An electric machine, includes a stator with a laminated stator body having winding end portions potted in a cast, and a rotor for interaction with the stator. In order to cope with the increased heat development in the zone of the winding end portions compared to the zone of the stator body, the cast of the winding end portions is formed with surface-enlarging structures in heat-conducting contact with a cooling jacket or with a cooling medium, and/or the cast is provided at least partially with a heat-conducting envelope which carries off heat.

Una máquina eléctrica, incluye un estator con un cuerpo laminado del estator que tiene partes periféricas de la bobina potted en un molde, y un rotor para la interacción con el estator. Para hacer frente al desarrollo creciente del calor en la zona de las partes periféricas de la bobina comparó a la zona del cuerpo del estator, el molde de las partes periféricas de la bobina se forma con las estructuras de superficie-agrandamiento en contacto heat-conducting con una chaqueta que se refresca o con un medio que se refresca, y/o el molde se proporciona por lo menos parcialmente un sobre heat-conducting que lleve apagado calor.

 
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