| 摘要 |
PROBLEM TO BE SOLVED: To suppress reduction of cooling efficiency due to immersion of liquid refrigerant into a slot of a stator.SOLUTION: Each shield part 35 is arranged between tips 14a of teeth 14 adjacent to each other in a peripheral direction and a portion of the coil 12, which is opposed to a cooling oil discharge port 52, is shielded by the shield part 35. Thereby, immersion of cooling oil ejected from the cooling oil discharge port 52 into a slot 15 can be suppressed by the shield part 35 and the cooling oil flows in a gap between a rotor 20 and a stator 10. Consequently, the cooling efficiency of the rotor 20 can be improved and dragging loss can be reduced. |
