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    • 2. 发明授权
    • Turbomachine rotor with blades secured by pins
    • 涡轮机转子,叶片由销固定
    • US5409353A
    • 1995-04-25
    • US181086
    • 1994-01-13
    • Jean-Francois Imbault
    • Jean-Francois Imbault
    • F01D5/06F01D5/28F01D5/30
    • F01D5/3053F01D5/286
    • A turbomachine rotor includes a disk having a plurality of annular ribs projecting from its periphery to define a plurality of annular grooves, and a plurality of blades, preferably made of composite material, evenly distributed around the periphery of the disk, each blade having a notched root defining heels which fit into the grooves of the disk and which are divided into two groups, one group being offset on the pressure side of the blade and the other group being offset on the suction side so that the heels of the second group align with the heels of the first group of an adjacent blade, the blades being fixed to the disk by pins which extend through the aligned heels of adjacent blades and the ribs of the disk. Each blade is thus secured by two pins, and each pin helps to secure two blades.
    • 涡轮机转子包括具有从其周边突出以限定多个环形槽的多个环形肋的盘,以及优选由复合材料制成的多个叶片,其均匀分布在盘的周边,每个叶片具有切口 根部定义高跟鞋,其配合到盘的凹槽中并且被分成两组,一组在叶片的压力侧上偏移,另一组在吸力侧偏移,使得第二组的后跟与 相邻叶片的第一组的后跟,叶片通过销延伸穿过相邻叶片和盘的肋的对齐的高跟鞋固定到盘。 因此,每个叶片由两个销固定,每个销有助于固定两个叶片。