A rotating electric machine having a plurality of ventilating passages formed between a stator frame and a stator iron core and coolers which cool a coolant being provided in the plurality of the ventilating passages. A ventilating circuit in which at least a portion of the coolant which is cooled by...http://www.google.com/patents/US6936939?utm_source=gb-gplus-sharePatent US6936939 - Rotating electric machine and cooling method thereof
