ELECTRIC MACHINE

摘要

The invention relates to an electric machine (10) comprising a housing (13) which comprises a bearing shield (13.2), and a rotor (20) mounted through the bearing shield (13.2). A ventilator (30) which is fixed to the rotor (20) can produce a cooling air flow along a cooling air path (46) through the housing (13). Said electric machine also comprises a regulator (91) which is fixed at least indirectly to the bearing shield (13.2). Said regulator (91) comprises a heat sink (153) which can be cooled by part of the cooling air flow along part of the cooling path (110) and said regulator (91) is arranged such that the heat sink (153) can be cooled by part of the cooling air flow, which flows in front of the heat sink in the axial direction, along part of the cooling path (110), which flows in the axial direction on the heat sink. Said electric machine is characterized in that the cooling air flow is defined in the peripheral direction by a plate-shaped base (167) of the heat sink (153).