Patent ID: 8937413
Filing Date: 2015-01-20
Classification: H02K

Abstract:
1. An electric motor assembly that is operable to be cooled by a coolant, the electric motor assembly comprising: a stator core that defines a longitudinal axis and that is hollow to define an inner diameter surface, the stator core also including an axial end surface, the stator core including a plurality of longitudinal openings that define a respective slot on the inner diameter surface; a winding assembly that is wound on the stator core to define a longitudinal portion and a winding head, the longitudinal portion being received within the plurality of longitudinal openings, the winding head being exposed from the axial end surface of the stator core, the winding head defining an outer axial end and an inner diameter portion; a shield that extends about a sector of the winding head to be disposed axially outboard of the outer axial end of the winding head and radially inboard of the inner diameter portion of the winding head, the sector spanning an angle of approximately one hundred eighty degrees (180°) about the winding head, the shield defining a reservoir in which the sector of the winding head is received, the reservoir operable to receive the coolant for cooling the winding head; and at least one sealing member that substantially seals at least one of the slots, the at least one sealing member operable to contain the coolant within the corresponding longitudinal opening and the reservoir.