RADIAL COUNTER FLOW JET COOLING SYSTEM

The present application provides a radial counter flow jet gas cooling system for a rotor of a dynamoelectric machine. The radial counter flow jet gas cooling system may include a centering pin, a number of axial inlet ducts, a number of radial outlet ducts in communication with the axial inlet ducts, an axial subslot positioned about the axial inlet ducts, and a radial counter flow duct in communication with the axial subslot and extending along the centering pin. 本发明提供种径向逆流式喷射气体冷却系统。所述径向逆流式喷射气体冷却系统可包括：定心销；数个轴向进气管道；数个径向排气管道，其与所述轴向进气管道连通；轴向子槽，其定位在所述轴向进气管道周围；以及径向逆流式管道，其与所述轴向子槽连通且沿着所述定心销延伸。