The refrigerant supplied to the second refrigerant discharge hole 42b of the second end plate 40b is discharged from the second refrigerant discharge hole 42b and supplied to the second coil end 98b.

The refrigerant flowing through the second refrigerant flow path hole 26 in the axial direction from the second end plate 40b side to the first end plate 40a side cools the magnet 31 disposed in each magnetic pole portion 30.

The refrigerant flowing through the second refrigerant flow path hole 26 is discharged from the first refrigerant discharge hole 42a of the first end plate 40a and supplied to the first coil end 98a as indicated by an arrow T4 in FIGS. 2 and 6.

Therefore, the rotor core 20 can be cooled from the inside by the refrigerant supplied to the first refrigerant flow path hole 25 and the second refrigerant flow path hole 26 and the first coil end 98a and the second coil end 98b can be cooled by the refrigerant discharged from the first refrigerant discharge hole 42a and the second refrigerant discharge hole 42b.

Although the embodiment of the invention is described above, the invention is not limited to the embodiment described above and modifications, improvements, and the like can be made as appropriate. For example, in the embodiment described above, the third refrigerant flow path hole 27 may not be provided.