Cooling device for an electric machine as well as electric machine

Abstract

Cooling device for an electric machine, comprising a cylindrical cooling element (2) through which a fluid, the coolant, flows, having an inlet (8) and an outlet (9), and a coolant channel structure (10) extending from the inlet (8) to the outlet (9), which is defined by webs (11) extending between an inner and an outer shell surface (3, 4), wherein the coolant channel structure (10) branches out after the inlet (8) into a plurality of individual channel sections (12) of different lengths and / or shapes, which communicate with each other.

Images