E-machine with a cooling system including manifold member for spray of stator cooling fluid

A method of manufacturing an e-machine comprising:

• providing a housing with a cooling fluid inlet and a cooling fluid outlet;
• inserting a manifold member in the housing, the manifold member including a plurality of passages that end at respective ones of a plurality of nozzles, including fluidly connecting the cooling fluid inlet to the plurality of nozzles;
• supporting a rotating group about an axis of rotation within the housing, the cooling fluid inlet and the cooling fluid outlet disposed on opposite sides of the axis of rotation;
• providing a stator within the housing;
• and
• the plurality of nozzles in fluid communication with the cooling fluid inlet to receive a cooling fluid therefrom, the plurality of nozzles in an arrangement about the axis of rotation and generally toward the stator, the arrangement of the plurality of nozzles directed generally in a circumferential direction with respect to the axis of rotation from the cooling fluid inlet to the cooling fluid outlet.

An electric motor comprising:

• a rotating group;
• a housing with a cooling fluid inlet and a cooling fluid outlet;
• a stator disposed within the housing, the stator including a plurality of winding end turns;
• a manifold member disposed within the housing and including a plurality of passages that terminate at respective nozzles, the plurality of passages in fluid communication with the inlet to receive a cooling fluid therefrom, the nozzles arranged in an arrangement about the axis of rotation and generally toward the plurality of winding end turns of the stator, the arrangement of the nozzles directed generally in a circumferential direction with respect to the axis of rotation from the cooling fluid inlet to the cooling fluid outlet.