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    • 39. 发明公开
    • CRYOGENIC LIQUID EXPANSION TURBINE
    • 低温液体膨胀涡轮机
    • EP2769085A1
    • 2014-08-27
    • EP12790953.9
    • 2012-10-15
    • Cryostar SAS
    • SGAMBATI, StéphaneHAENSEL, Frank
    • F03B13/00
    • F01D15/005F03B13/00F05B2220/60F05B2220/602Y02B10/50
    • A cryogenic liquid expansion turbine has a turbine wheel (6) mounted on a rotary shaft (8), at least one radial inlet (12) for cryogenic liquid to be expanded in the expansion turbine (20, 22) for the rotary shaft, and a dry gas sealing means (30) at a position along the rotary shaft (8) between the turbine wheel (6) and the bearings (20 and 22). There is a thermal barrier member (70) between the turbine wheel (6) and the dry gas sealing means (30), a gas chamber (76) on the dry gas sealing means (30)- side of the thermal barrier member (70), and an inlet (78) for cryogenic gas to the said gas chamber (76).
    • 低温液体膨胀涡轮机具有安装在旋转轴(8)上的涡轮机叶轮(6),用于低温液体在膨胀涡轮机(20,22)中用于旋转轴的至少一个径向入口(12),以及 在沿着涡轮叶轮(6)与轴承(20和22)之间的旋转轴(8)的位置处的干气密封装置(30)。 在涡轮叶轮(6)和干气密封装置(30)之间具有隔热构件(70),隔热构件(70)的干气密封装置(30)侧上的气室(76) )和用于低温气体进入所述气室(76)的入口(78)。