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    • 88. 发明公开
    • Multistage turbine with single blade row, and gas turbine using same
    • Mehrstufige Turbine mit einer einzigen Schaufelreihe sowie Gurburbine mit einer derartigen Turbine
    • EP1710396A2
    • 2006-10-11
    • EP06006647.9
    • 2006-03-30
    • Japan Aerospace Exploration Agency
    • Iwase, Shiki, c/o Japan Aerospace Expl. AgencySaito, Yoshio, c/o Japan Aerospace Expl. Agency
    • F01D1/12
    • F01D1/12F01D5/142F02C3/073F05D2240/12Y02T50/673
    • In order to desirably prevent leakage of a working fluid from the tip clearance to reduce loss of a heat drop of the working fluid, a first corresponding blade of a second stationary blade row, which corresponds to a first reference blade of a first stationary blade row, is disposed in a position distant by 2L from the position of a lower end of a rotor blade in the direction of movement of the rotor blades when the rotor blade makes the closest approach to a lower end of the first reference blade. It should be noted that L is a value obtained by multiplying the average time T required for the high-pressure working fluid to pass through the rotor blade by the traveling speed U of the rotor blade. On the other hand, a second corresponding blade of the second stationary blade row, which corresponds to a second reference blade of the first stationary blade row, is disposed in a position of a lower end of a rotor blade when the rotor blade makes the closest approach to a lower end of the first reference blade.
    • 为了期望防止工作流体从顶端间隙泄漏以减少工作流体的散热损失,第二固定叶片排的第一对应叶片对应于第一固定叶片排的第一参考叶片 当转子叶片最接近第一参考叶片的下端时,沿转子叶片运动方向远离转子叶片的下端的位置远离2L的位置。 应当注意,L是通过将高压工作流体所需的平均时间T乘以转子叶片的行进速度U而获得的值。 另一方面,当转子叶片最接近时,与第一固定叶片排的第二参考叶片对应的第二固定叶片排的第二对应叶片设置在转子叶片的下端的位置 接近第一参考刀片的下端。
    • 89. 发明公开
    • REGENERATIVE PUMP
    • SEITENKANALPUMPE
    • EP0746686A4
    • 1995-05-10
    • EP93918776
    • 1993-08-20
    • ORBITAL ENG PTY
    • WINDHOFER PETER FRANZ
    • F01D1/12F04D23/00F04D29/16F04D5/00
    • F04D23/008F04D29/161
    • A regenerative pump comprising a casing (11) with an inlet port (2), an impeller (3) having a plurality of blades (14), with each blade (14) provided with an inner edge (26) and an outer edge (25) in the radial direction of the impeller (3) to generate upon rotation multi-stage compression of the admitted fluid, and an outlet port (5) for discharge of fluid compressed by the pump from the casing (11). The inlet port (2) is isolated from the outlet port (5) by a stripper portion (6). The stripper portion (6) and the blades (14) are configured such that said outlet edge (25) of each blade (14) enters the stripper portion (6) after said inner edge (26) thereof.
    • PCT No.PCT / AU93 / 00428 Sec。 371日期1994年12月19日 102(e)日期1994年12月19日PCT 1993年8月20日PCT公布。 出版物WO94 / 04826 日期:1994年3月3日。公开是一种再生泵(1),包括设置有用于将流体引入泵(1)的入口(2)的壳体(11),具有多个叶片 (4,14,23),每个在叶轮(3)的径向方向上具有内边缘(26)和外边缘(25),以在旋转时产生允许流体的多级压缩和出口 用于将由泵(1)压缩的流体从壳体(11)排出的端口(5)。 入口端口(2)通过剥离器部分(6)与出口(5)隔离,并且剥离器部分(6)和叶片相对地构造成使得每个叶片(4,14)的外边缘(25) ,23)在其内边缘(26)之后进入剥离器部分(6)。