Title:
STATOR OF ROTARY ELECTRIC MACHINE AND COOLING STRUCTURE OF STATOR
Document Type and Number:
Japanese Patent JP2022095025
Kind Code:
A
Abstract:
To provide a stator of rotary electric machine capable of improving cooling performance of a coil end.SOLUTION: A stator 20 of a rotary electric machine has a stator core 21, a coil end 23, a cooling jacket 25 attached to the stator core 21 so as to accommodate the coil end 23 inside and in which cooling oil is flowing, the cooling jacket 25 in which cooling oil is flowing, a plurality of introduction parts 255, and a plurality of discharge parts 256. The coil end is connected to a plurality of first parts 231 extending so as to be parallel to an end face 21c of the stator core 21, and both ends of a plurality of first parts 231 respectively, and includes a plurality of pair of second parts 232 extending in a direction along a parallel direction to an axial direction. The cooling jacket 25 includes an inner peripheral wall part 251 and an outer peripheral wall part 252. A plurality of introduction parts 255 are provided to the outer peripheral wall part 252, and a plurality of discharge parts 256 are provided to the inner peripheral wall part 251.SELECTED DRAWING: Figure 4
Inventors:
SHIRAI SUKAKU
MARUYAMA DAICHI
MARUYAMA DAICHI
Application Number:
JP2020208103A
Publication Date:
June 28, 2022
Filing Date:
December 16, 2020
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H02K9/19
Attorney, Agent or Firm:
Fukami patent office