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    • 1. 发明授权
    • Integral cooling system for a jet engine integral starter/generator and
the like
    • 用于喷气发动机整体起动器/发电机等的整体冷却系统
    • US5240069A
    • 1993-08-31
    • US909525
    • 1992-07-06
    • Kirk L. Yerkes
    • Kirk L. Yerkes
    • F01D25/12F02C7/26F02N11/04H02K9/10
    • F28D15/0208F01D25/12F02C7/26F02N11/04F28D15/0233F28D15/046H02K9/20Y02T50/675
    • A new cooling system for a jet engine integral starter/generator incorporates an array of thermosyphons in the rotor of the starter/generator in an off-axis geometry. The condenser sections of each thermosyphon extend out from the rotor into a coolant flowpath. Fins surrounding the condenser sections are oriented to increase the flow of coolant around the starter/generator. Asymmetrical balancing wicks partially cover the inside wall of the evaporator sections of each thermosyphon. The balancing wicks have the general shape assumed by a liquid working fluid during off-axis rotation. The wick cross-sectional shape is generally that of a crescent. The balancing wicks absorb working fluid when the rotor is not rotating so that the rotor will have generally the same balance at startup as it will have during full rotational speed operation.
    • 用于喷气发动机整体起动器/发电机的新的冷却系统在离轴几何形状中包括在起动器/发电机的转子中的热虹吸阵列。 每个热虹吸管的冷凝器部分从转子延伸到冷却剂流动路径中。 围绕冷凝器部分的金属薄片定向成增加起动器/发电机周围的冷却剂的流动。 不对称平衡芯部分地覆盖每个热虹吸管的蒸发器部分的内壁。 平衡芯在离轴旋转期间具有由液体工作流体假设的一般形状。 芯的横截面形状通常是新月形。 当转子不旋转时,平衡芯吸收工作流体,使得转子在启动时具有与在完全转速操作期间具有的平衡大体相同的平衡。