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    • 46. 发明申请
    • HOUSING OF ELECTRIC MACHINE AND ASSOCIATED ELECTRIC MACHINE
    • WO2021238334A1
    • 2021-12-02
    • PCT/CN2021/080073
    • 2021-03-10
    • ABB SCHWEIZ AGXU, HuaLING, YingruiXU, Yang
    • XU, HuaLING, YingruiXU, Yang
    • H02K5/18H02K5/20
    • Embodiments of the present disclosure provide a housing of an electric machine and an electric machine. The housing comprises a body formed into a cylindrical structure extending along an axial direction; a plurality of radiation ribs extending along the axial direction and disposed circumferentially outside the body; at least one pair of ventilation windows arranged to radially protrude outward from two ends of the body in the axial direction respectively, so as to dispose a part of the plurality of radiation ribs therebetween; and at least one ventilation duct arranged radially outside the radiation ribs along the axial direction and coupled to the at least one pair of ventilation windows, enabling an internal heat radiating airstream of the electric machine to flow through the ventilation duct. When the ventilation windows protruding outward are disposed between two ends of the body in the axial direction and the ventilation ducts are coupled to the ventilation windows and arranged radially outside, the radiation ribs also can be configured at the position where the ventilation duct is disposed. This effectively increases the heat dissipation area at this region and avoids heat accumulation. Moreover, the performance of the electric machine is improved and the service life of the electric machine is extended.