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    • 1. 发明申请
    • COMPACT TURBOMACHINE WITH MAGNETIC BEARINGS AND AUXILIARY BEARINGS
    • 紧凑型涡轮机,带有磁性轴承和辅助轴承
    • US20150275911A1
    • 2015-10-01
    • US14224401
    • 2014-03-25
    • Eduardo CARRASCOEric HELENE
    • Eduardo CARRASCOEric HELENE
    • F04D29/058F04D25/06F04D17/10
    • F04D29/058F04D17/10F04D25/06F04D29/048F04D29/051F04D29/059F04D29/622F16C32/0442
    • A turbo-machine for compressing or expanding a fluid comprises a housing (201), a rotary shaft (203), an electric machine (207), an impeller (202) mounted at an end of the rotary shaft (203), radial magnetic bearings (208), an axial magnetic bearing (210), an axial detector (240), radial detectors (209), a control circuit, and auxiliary bearings (290). An auxiliary bearing (290) is integrated within a stator portion (211, 212) of the axial magnetic bearing (210) and this stator portion (211, 212) of the axial magnetic bearing (210) is located opposite a rotor armature (220) of the axial magnetic bearing (210). The rotor armature (220) is made of iron or of a material which is adapted to be attracted in a magnetic field and is constituted by a rear face (221) of the impeller (202).
    • 用于压缩或膨胀流体的涡轮机包括壳体(201),旋转轴(203),电机(207),安装在旋转轴(203)的端部处的叶轮(202),径向磁 轴承(208),轴向磁轴承(210),轴向检测器(240),径向检测器(209),控制回路和辅助轴承(290)。 辅助轴承(290)集成在轴向磁轴承(210)的定子部分(211,212)内,并且轴向磁性轴承(210)的该定子部分(211,212)位于与转子衔铁(220)相对的位置 )的轴向磁轴承(210)。 转子电枢(220)由铁或适于被吸引在磁场中并由叶轮(202)的后表面(221)构成的材料制成。