Rotors for electrical machines and methods of fabricating the same are disclosed. Electrical machine rotors may include a hollow non-magnetic shaft, an active region, and a plurality of coolant passages extending within the active region. The hollow non-magnetic shaft may extend along an axis and have an exterior surface that defines a shaft space extending along the axis. At least a portion of the active region may be disposed within the shaft space.
申请公布号
WO2014055221(A2)
申请公布日期
2014.04.10
申请号
WO2013US59719
申请日期
2013.09.13
申请人
ABB RESEARCH LTD.;TREMELLING, DARREN, D.;LIU, YUJING