Electric motor or generator including fluid cooled electronic components

摘要

An electric motor or generator (10) comprising a stator (12); a rotor (14) rotatably mounted inside the stator; a housing (16) surrounding the stator and the rotor and having an end wall (18); electric components (20) mounted on the end wall of the housing; a cover member (24) of metallic material covering the electronic components and secured to the end wall; and a coolant pipe (28) attached to the cover member and having a fluid inlet (30) and a fluid outlet (32) for the passage of cooling fluid through the pipe. Provides cooling for the cover member and the electronic components.