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    • 81. 发明申请
    • GEARED TURBOFAN WITH THREE TURBINES WITH FIRST TWO COUNTER-ROTATING, AND THIRD CO-ROTATING WITH THE SECOND TURBINE
    • 具有第三次涡轮机的三轮涡轮机,第二次涡轮机的第三次旋转
    • US20130259643A1
    • 2013-10-03
    • US13437270
    • 2012-04-02
    • Frederick M. SchwarzDaniel Bernard Kupratis
    • Frederick M. SchwarzDaniel Bernard Kupratis
    • F01D1/26
    • F02C3/067F01D9/041
    • A gas turbine engine has a fan rotor, a first compressor rotor and a second compressor rotor. The second compressor rotor compresses air to a higher pressure than the first compressor rotor. A first turbine rotor drives the second compressor rotor and a second turbine rotor. The second turbine drives the compressor rotor. A fan drive turbine is positioned downstream of the second turbine rotor. The fan drive turbine drives the fan through a gear reduction. The first compressor rotor and second turbine rotor rotate as an intermediate speed spool. The second compressor rotor and first turbine rotor together as a high speed spool, with the high speed spool rotating in an opposed direction to the intermediate speed spool. The fan drive turbine rotates in the same direction as the intermediate speed spool.
    • 燃气涡轮发动机具有风扇转子,第一压缩机转子和第二压缩机转子。 第二压缩机转子将空气压缩到比第一压缩机转子更高的压力。 第一涡轮转子驱动第二压缩机转子和第二涡轮转子。 第二涡轮驱动压缩机转子。 风扇驱动涡轮机位于第二涡轮转子的下游。 风扇驱动涡轮驱动风扇通过齿轮减速。 第一压缩机转子和第二涡轮机转子作为中间速度卷轴旋转。 第二压缩机转子和第一涡轮机转子一起作为高速线轴,高速线轴与中间转速线轴相反地转动。 风扇驱动涡轮机沿与中速卷轴相同的方向旋转。