| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotor structure capable of ensuring a ventilation flue without removing pads used for forming a coil on a rotor. ! SOLUTION: A rotary electric machine has a rotor structure 20 which includes: a rotor core 3; and a rotor coil 1 which is disposed in a multi-layer in the slots 4 of the rotor core 3. The rotor coil 1 includes a ventilation groove 1a formed along a longitudinal direction. Corner parts 1B of the rotor coil 1 are filled with pads 12. The pad 12 includes a groove 12a formed as a ventilation flue. ! COPYRIGHT: (C)2015,JPO&INPIT |
