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    • 33. 发明专利
    • Turbine wheel for turbomachinery, and assembly method of the wheel
    • 用于涡轮机的涡轮轮,以及轮的组装方法
    • JP2005098300A
    • 2005-04-14
    • JP2004269316
    • 2004-09-16
    • Snecma Moteursスネクマ・モトウール
    • LARDELLIER ALAIN
    • F01D5/02F01D5/00F01D5/30
    • F01D5/3046F01D5/00F01D5/3023F01D5/3069
    • PROBLEM TO BE SOLVED: To provide a turbine wheel for turbomachinery essentially unrestricted in maximum number of blades disposed to each segment, and remarkably improving overall sealability.
      SOLUTION: A disk 4 of the turbine wheel 1 has an upstream rib 14a and a downstream rib 14b which extend in an annular direction around a shaft 2 as the center. Each segment 6 attached to the disk is held in an outside diameter direction by the disk by means of an upstream engagement means 16a which constitutes a part of a root part 8 and is cooperated with a complementary upstream engagement means 18a forming an external radial end part of the upstream rib, and a downstream engagement means 18b forming a part of the root part 8 and capable of cooperating with complementary downstream engagement means 18b forming an external radial end part of the downstream rib. The upstream rib and the downstream rib are movable in a direction from an engagement position to a close position which are spaced from each other, or vice versa, and each blade part is assembled on the turbine disk.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于涡轮机械的涡轮机叶轮,其基本上不受限制地设置在每个段上的最大数量的叶片,并且显着提高总体密封性。 解决方案:涡轮机叶轮1的盘4具有围绕作为中心的轴2以环形方向延伸的上游肋14a和下游肋14b。 通过构成根部8的一部分的上游接合装置16a,将附接到盘的每个段6通过盘保持在外径方向上,并且与形成外部径向端部的互补上游接合装置18a配合 以及形成根部8的一部分并且能够与形成下游肋的外部径向端部的互补的下游接合装置18b配合的下游接合装置18b。 上游肋和下游肋可以在从接合位置到彼此间隔开的关闭位置的方向上移动,反之亦然,并且每个叶片部分组装在涡轮盘上。 版权所有(C)2005,JPO&NCIPI
    • 34. 发明专利
    • Mounting structure of moving vane for axial-flow type turbo-machine
    • 轴流式涡轮机移动风门安装结构
    • JPS59203809A
    • 1984-11-19
    • JP7831883
    • 1983-05-06
    • Asahi Glass Co Ltd
    • TAKAHASHI SHIROUTORIYAMA AKIRASHINOHARA NOBUHIRO
    • F01D5/30
    • F01D5/3069
    • PURPOSE:To prevent the generation of a backlash between a moving vane and a disk by holding heat-resisting heat-insulating pads among the indentations of the disk divided into two by a surface vertical to a shaft and a moving vane mounting section connected to the indentations. CONSTITUTION:Heat-resisting heat-insulating pads 3, 5 are held among the indentations 28 of disks 25 divided into two by surfaces vertical to a shaft 24 and the mounting sections 2 of moving vanes 26 connected and mounted to the indentations 28. Differences among thermal expansions of the moving vanes 26 and the disks 25 can be absorbed by the pads 3, 5. Accordingly, the generation of backlashes among the moving vanes 26 and the disks 25 can be prevented even when a turbo-machine is operated under high centrifugal force at a high temperature.
    • 目的:为了防止在移动叶片和盘之间产生间隙,通过在垂直于轴的表面上分隔成两个的盘的凹陷之间保持耐热隔热垫,以及连接到轴的移动叶片安装部 压痕。 构成:将耐热绝热垫3,5保持在与轴24垂直的两个分开的盘25的凹口28和连接并安装到凹痕28的移动叶片26的安装部分2之间。差异 移动叶片26和盘25的热膨胀可以被垫片3,5吸收。因此,即使当涡轮机在高离心力下操作时,也可以防止活动叶片26和盘25之间产生间隙 强力在高温下。
    • 35. 发明专利
    • Turbine and method for manufacturing turbine
    • 用于制造涡轮的涡轮机和方法
    • JP2012097601A
    • 2012-05-24
    • JP2010244290
    • 2010-10-29
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • ONISHI TOMOYUKIWAKI YUICHIROYAMASHITA SHOSEIMATSUO TAKAAKIMATSUO ASAHARU
    • F01D11/00F01D9/04F01D25/24
    • F01D5/12F01D5/3069F01D9/042F01D11/001F01D11/003
    • PROBLEM TO BE SOLVED: To improve the efficiency of a turbine because a flow of the main flow flowing out from a row of stator blades is designed in a manner hardly generating turbulence of the main flow in the row of stator blades.SOLUTION: The turbine includes: a shaft 30 supported rotatably; rotor blade members provided on the outer periphery of the shaft 30 and forming a row of rotor blades in the circumferential direction of the shaft 30; a casing surrounding the shaft 30 and the row of rotor blades; an outer ring member 72 provided to the inner periphery of the casing and including an inner periphery 72a of which the cross-section having irregular shapes continues in the circumferential direction; stator blade members 41 provided in the circumferential direction, the stator blade members respectively having shrouds 43 which are engaged with the inner periphery 72a of the outer ring member 72 and also respectively having stator blade bodies 42 which are extended inward from the shrouds 72a in the radial direction, the stator blade members forming a row of stator blades with circumferentially adjacent shrouds 43 provided close to each other; and a plate-shaped member 71 for connecting at least some of the stator blade members 41 and covering the shrouds 43 of the connected stator blade members 41 from one side in the axial direction to seal shroud gaps formed between the shrouds 43 adjacent to each other in the circumferential direction.
    • 要解决的问题:为了提高涡轮机的效率,因为从一排定子叶片流出的主流的流动被设计成几乎不产生定子叶片排中的主流的湍流的方式。 涡轮机包括:可旋转地支撑的轴30; 设置在轴30的外周的转子叶片构件,在轴30的圆周方向上形成一列转子叶片; 围绕轴30和转子叶片排的壳体; 设置在壳体的内周的外圈构件72,其内周72a具有不规则形状的横截面沿圆周方向延伸; 定子叶片构件41设置在圆周方向上,定子叶片构件分别具有与外圈构件72的内周72a接合的护罩43,并且还具有定子叶片体42,其中定子叶片构件42从护罩72a向内延伸 定子叶片构件形成一排具有彼此靠近设置的周向相邻的罩43的定子叶片; 以及板状构件71,用于连接至少一些定子叶片构件41并且从轴向的一侧覆盖连接的定子叶片构件41的护罩43,以密封形成在彼此相邻的护罩43之间的护罩间隙 在圆周方向。 版权所有(C)2012,JPO&INPIT