Electric engine for transport truck, has bearing installed in flange which includes cooling chamber for passage of coolant, where cooling chamber lies in zone which is axially close to bearing

摘要

Engine has a stator and a rotor cooperating with a main rotor shaft mounted in a housing. A bearing (5) is installed in a flange (6) which includes a cooling chamber (15) for passage of coolant. The cooling chamber lies in a zone which is axially close to the bearing. The cooling chamber (15) communicates with a cooling chamber (17) arranged in a zone which is radially close to the bearing.