Abstract: A cooling body for the regulator of an electric machine, which regulator may be a voltage regulator of a DC generator of a vehicle, includes a heat exchange surface with an inflow region and an outflow region. A cooling air flow may be applied to the heat exchange surface during the operation of the electric machine. The cooling air stream impinges on the heat exchange surface in the inflow region and leaves the heat exchange surface from the outflow region. The heat exchange surface is shaped differently in the inflow region than in the outflow region. Because of the shape of the heat exchange surface, the direction in which the cooling air is applied is different compared to conventional surfaces.

Abstract: A cooling body for the regulator of an electric machine, especially for a voltage regulator of a DC generator of a vehicle including a heat exchange surface, that is able to have applied to it a cooling air flow during the operation of the electric machine, having an inflow region, in which the cooling air stream impinges on the heat exchange surface, and an outflow region from where the cooling air stream leaves the heat exchange surface. The heat exchange surface is shaped differently in the inflow region and in the outflow region and is able to have flow of the cooling air applied to it in a different manner.

Abstract: An electrical machine, in particular a rotary current generator for motor vehicles, is proposed which has a housing (13) in which a stator (16) is retained, such that a coolant can flow around the outside of the stator (16) from one of its axial face ends (57) to a circumferential region of the stator (16), defining a flow cross section of the flow course through the stator (16) and the housing (13). The flow course is defined toward the stator by outer stator teeth (62) located on the outer circumference of the stator (16).

Abstract: An electrical machine, in particular a rotary current generator for motor vehicles, is proposed which has a housing (13) in which a stator (16) is retained, such that a coolant can flow around the outside of the stator (16) from one of its axial face ends (57) to a circumferential region of the stator (16), defining a flow cross section of the flow course through the stator (16) and the housing (13). The flow course is defined toward the stator by outer stator teeth (62) located on the outer circumference of the stator (16).