TRACTION MOTOR Russian patent published in 2023 - IPC H02K9/04 

FIELD: electrical engineering.

SUBSTANCE: traction motor comprises an armature with a collector and a core in which ventilation ducts are made, a stator with poles and an air duct with an inlet for cooling air and outlets on the opposite side of the armature. A feature of the invention is the placement of a box of rectangular section in the part of the air duct, the side of which, in contact with the stator, is provided with a hole for the motor shaft, and on the opposite side, facing the armature core, there is a hole coaxially with the shaft, the outer diameter of which is provided with a flow direction confuser along the entire perimeter air into the ventilation ducts of the armature core.

EFFECT: increased efficiency of the traction motor armature cooling system.

1 cl, 2 dwg