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    • 6. 发明专利
    • Control device for gas turbine
    • 燃气涡轮机控制装置
    • JP2007138809A
    • 2007-06-07
    • JP2005332920
    • 2005-11-17
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MORIMOTO HITOSHIAKAGI KOICHI
    • F01D11/04F02C7/28F16J15/40
    • F01D11/06
    • PROBLEM TO BE SOLVED: To improve reliability by preventing lubricating oil supplied to a bearing part from getting high temperature and inhibiting generation of vibration in a control device for a gas turbine.
      SOLUTION: A seal air supply hole 37 preventing leak of lubricating oil of an exhaust side bearing part 26 rotatably supporting a rotor 24 and preventing intrusion of high temperature gas into the exhaust side bearing part 26. There are provided a first air supply piping 41 connecting to a seal air piping 38 and capable of supplying compressed air bled from a compressor 11 to the seal air piping 38, and a second air supply piping 42 capable of supplying compressed air from an auxiliary air source 45 to the seal air piping 38. The control device 46 can change over the first air supply piping 41 and the second air supply piping 42 based on an operation condition of the gas turbine.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过防止供给到轴承部件的润滑油变得高温并且抑制燃气轮机的控制装置中的振动的产生来提高可靠性。 解决方案:一种密封空气供应孔37,防止排气侧轴承部分26的润滑油泄漏,该排气侧轴承部分26可旋转地支撑转子24,并防止高温气体侵入排气侧轴承部分26.提供第一空气供应 连接到密封空气管道38并且能够将从压缩机11排出的压缩空气供应到密封空气管道38的管道41和能够将辅助空气源45的压缩空气供应到密封空气管道的第二空气供应管道42 控制装置46可以基于燃气轮机的运转状态来切换第一空气供给配管41和第二供气配管42。 版权所有(C)2007,JPO&INPIT