Elektrische Maschine und Verfahren zur Kühlung der Elektronik einer elektrischen Maschine

摘要

The machine has an electronic circuit accommodated in a housing for controlling the machine, and comprising a printed circuit board (2) with electronic/mechanical components (10) e.g. resistor. A fan (6) is accommodated in the housing and produces closed air circulation between the electronic circuit and a housing wall within the housing. An air guiding unit is arranged between the printed circuit board and the fan in such a manner that it delivers the air sucked by the fan through air passages that are distributed on the circuit board. An independent claim is also included for a method for cooling electronic circuits to control an electrical machine.