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    • 5. 发明专利
    • Moving blade and gas turbine
    • 移动叶片和气体涡轮机
    • JP2010001841A
    • 2010-01-07
    • JP2008162166
    • 2008-06-20
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • WAKAZONO SUSUMUYURI MASANORISHODA JUNICHIRO
    • F01D5/14F01D5/18F01D11/02F01D25/00F02C7/28
    • PROBLEM TO BE SOLVED: To provide a moving blade having a reliability improved by reducing the concentration of gas bending stress and thermal stress and also provide a gas turbine.
      SOLUTION: This moving blade comprises: a blade attaching section 21 and a shank 22 detachable from a rotor; a platform 23 extending from the outer end of the shank 22 in the axial and circumferential directions of the rotor; an aerofoil section 24 extending from the outer peripheral surface of the platform 23 radially outward; a side wall section 61 which extends from the inner peripheral surface of the connection section of the platform 23 with the leading edge 51 of the aerofoil section 24 radially inward and circumferentially and which is disposed detachably from the platform 23; a moving blade side projecting section 62 extending from the surface of the side plate section 61 on the leading edge 51 side in the axial direction of the rotor and extending from the trailing edge to the leading edge of the aerofoil section 24 circumferentially.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供通过降低气体弯曲应力和热应力的浓度而提高可靠性的动叶片,并且还提供燃气轮机。 解决方案:该动叶片包括:叶片安装部分21和可从转子上拆卸的柄部22; 从柄22的外端沿转子的轴向和圆周方向延伸的平台23; 从平台23的外周面径向向外延伸的机翼部24; 从平台23的连接部的内周面延伸的侧壁部61与翼面部24的前缘51径向向内且周向延伸,并且与台架23可拆卸地配置; 从侧板部61的表面沿着转子的轴向的前缘51侧延伸并沿着圆周方向从机翼部24的后缘延伸到前缘的动叶片侧突出部62。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Gas turbine and its rated operational method
    • 燃气轮机及其额定运行方法
    • JP2014058979A
    • 2014-04-03
    • JP2013245017
    • 2013-11-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MIZUKAMI SATOSHIISHIGURO TATSUOSHODA JUNICHIROTAKADA KAZUMASAFUKUNAGA YUYANISHIMURA YOSHIAKITAKAHASHI HIROKI
    • F01D11/08F01D25/12F01D25/14F01D25/16F02C7/00F02C7/141F02C7/18F02C7/28F02C9/00
    • PROBLEM TO BE SOLVED: To provide a gas turbine that can achieve the improvement of cooling efficiency of a turbine static system component in an active clearance control (ACC) system during rated operation of the gas turbine.SOLUTION: The gas turbine comprises a pressure rise device 40 that is connected to a branch flow passage 42, which is branched from a discharge side of a compressor 11, and capable of operating independently of the compressor 11 which boosts introduced air; a temperature control medium supply flow channel 43 that introduces compressed air boosted by the pressure rise device 40 to a turbine cooling medium flow passage 50 disposed in the static system component of a turbine 13; and a temperature control medium return flow passage 44 in which the compressed air which passes through the turbine cooling medium flow passage 50 is introduced and merged on the discharge side. The pressure rise device 40 operates during gas turbine rated operation and makes the compressed air flow into a blade ring of the turbine 13 via the inside of the turbine cooling medium flow passage 50 for cooling it.
    • 要解决的问题:提供一种燃气轮机,其能够在燃气轮机的额定运行期间实现主动间隙控制(ACC)系统中的涡轮机静态系统部件的冷却效率的提高。解决方案:燃气涡轮机包括压力升高 装置40,其连接到从压缩机11的排出侧分支的分支流路42,并且能够独立于压缩机11运行,该压缩机11增强引入的空气; 温度控制介质供给流路43,其将由升压装置40升压的压缩空气引导到设置在涡轮13的静止系统部件中的涡轮冷却介质流路50; 以及温度控制介质返回流路44,通过涡轮冷却介质流路50的压缩空气在排出侧导入并合流。 压力升高装置40在燃气轮机额定运行期间运行,并且使得压缩空气经由涡轮机冷却介质流动通道50的内部流入涡轮机13的叶片环,用于对其进行冷却。
    • 9. 发明专利
    • Split ring cooling structure and gas turbine
    • 分体式冷却结构和气体涡轮机
    • JP2011153540A
    • 2011-08-11
    • JP2010014356
    • 2010-01-26
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KOYABU TOSHIMICHIHANEDA SATORUSHODA JUNICHIROTSUKAGOSHI KEIZO
    • F02C7/18F01D11/00F01D25/00F02C7/28
    • F01D25/246F01D9/04F01D11/005F01D11/24F01D25/12F05D2240/11F05D2260/205
    • PROBLEM TO BE SOLVED: To provide a split ring cooling structure improving the thermal efficiency of a whole gas turbine by reducing the amount of cooling air to cool the side ends of split bodies while preventing the oxidation and wastage of the split bodies, and to provide the gas turbine. SOLUTION: The split ring cooling structure for the gas turbine includes the plurality of split bodies arranged in a ring shape around a rotating shaft, and sealing plates for sealing clearances between the side ends of the adjacent split bodies, opposing each other along the direction of the rotating shaft. The split bodies each include a first cooling flow path arranged in the body of the split body in the axial direction of the rotating shaft and formed with a cooling flow path in a first region and a cooling flow path in a second region having a smaller flow path cross section than the cooling flow path in the first region, and a second cooling flow path arranged at one side end thereof in the direction approximately perpendicular to the first cooling flow path for blowing cooling air toward the side ends of the adjacent split bodies. The cooling flow path in the first region is arranged neighboring the second cooling flow paths of the adjacent split bodies. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种分裂环冷却结构,通过减少冷却空气的量使整个燃气轮机的热效率提高,同时防止分裂体的氧化和浪费, 并提供燃气轮机。 解决方案:用于燃气轮机的开口环冷却结构包括围绕旋转轴布置成环形的多个分体,以及用于密封相邻分裂体的侧端之间的间隙的密封板,沿着 旋转轴的方向。 开口体各自包括沿着旋转轴的轴向布置在分体的主体中的第一冷却流路,并且在第一区域中形成有冷却流路,并且在具有较小流动的第二区域中形成冷却流路 所述第二冷却流路沿与所述第一冷却流路大致垂直的方向配置在所述第一冷却流路的一侧,用于向相邻的分割体的侧端吹出冷却空气。 第一区域中的冷却流路与相邻分割体的第二冷却流路相邻配置。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Gas turbine and its rated operating method
    • 燃气轮机及其额定工作方法
    • JP2010090818A
    • 2010-04-22
    • JP2008262074
    • 2008-10-08
    • Mitsubishi Heavy Ind LtdTohoku Electric Power Co Inc三菱重工業株式会社東北電力株式会社
    • MIZUKAMI SATOSHIISHIGURO TATSUOSHODA JUNICHIROTAKADA KAZUMASAFUKUNAGA YUYANISHIMURA YOSHIAKITAKAHASHI HIROKI
    • F02C7/18F01D25/12F02C6/08F02C9/18
    • PROBLEM TO BE SOLVED: To provide a gas turbine achieving the enhancement of cooling efficiency of a turbine static system component in an ACC system during gas turbine rated operation.
      SOLUTION: A gas turbine is provided with: a booster 40 which is connected to a branch flow path 42 branching off from a discharge side of a compressor 11 and which can be operated independently from the compressor 11 for introducing and boosting air; a temperature adjusting medium supply flow path 43 which leads the boosted compressed air boosted by the booster 40 to a turbine cooling medium flow path 50 provided in a static system component of a turbine 13; and a temperature adjusting medium return flow path 44 which leads the compressed air passing through the turbine cooling medium flow path 50 to the discharge side to merge therewith, and carries out cooling by operating the booster 40 to flow compressed air in the turbine cooling medium flow path 50 when the gas turbine is under gas turbine rated operation.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种在燃气轮机额定运行期间实现ACC系统中的涡轮机静态系统部件的冷却效率的燃气轮机。 解决方案:燃气轮机设置有:增压器40,其连接到从压缩机11的排出侧分支的分支流路42,并且能够独立于压缩机11运行,用于引入和增压空气; 温度调节介质供应流路43,其将由增压器40升压的增压压缩空气引导到设置在涡轮13的静态系统部件中的涡轮冷却介质流路50; 以及温度调节介质回流路径44,其将通过涡轮机冷却介质流路50的压缩空气引导到排出侧与其并入,并通过操作增压器40来进行冷却,以使涡轮机冷却介质流中的压缩空气流动 当燃气轮机处于燃气轮机额定运行时的路径50。 版权所有(C)2010,JPO&INPIT