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Rotating electrical machine

專利號
US11177721B2
公開日期
2021-11-16
申請人
HONDA MOTOR CO., LTD.(JP Tokyo)
發(fā)明人
Tadashi Yamaguchi; Takuro Kamada; Masahiko Mizuguchi; Kojiro Ohsaki
IPC分類
H02K1/32; H02K9/00; H02K1/22
技術(shù)領域
hole,rotor,path,flow,discharge,second,first,end,core,plate
地域: Tokyo

摘要

A rotating electrical machine includes a rotor and a stator. A first end plate includes a first refrigerant discharge hole which communicates with a second refrigerant flow path hole and supplies refrigerant to a first coil end and a first groove portion which supplies the refrigerant supplied from a refrigerant flow path to a first refrigerant flow path hole and does not supply the refrigerant to the first refrigerant discharge hole and the second refrigerant flow path hole. A second end plate includes a second refrigerant discharge hole which supplies the refrigerant to a second coil end and a second groove portion which supplies the refrigerant supplied from the first refrigerant flow path hole to the second refrigerant flow path hole and supplies the refrigerant to the second refrigerant discharge hole.

說明書

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The first refrigerant flow path hole 25 is located on a d-axis connecting the center of each magnetic pole portion 30 and a center CL of the rotor 51. The second refrigerant flow path hole 26 is located on a q-axis passing through one circumferential end portion of each magnetic pole portion 30 and the center CL of the rotor 51. The third refrigerant flow path hole 27 is located on a q-axis passing through the other circumferential end portion of each magnetic pole portion 30 and the center CL of the rotor 51.

權(quán)利要求

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