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    • 8. 发明申请
    • DRY VACUUM PUMP, AND ASSOCIATED ASSEMBLY METHOD
    • 干真空泵和相关装配方法
    • WO2010066988A3
    • 2011-02-24
    • PCT/FR2009052396
    • 2009-12-02
    • ALCATEL LUCENTHOUZE FRANCOISCACARD ALBERT
    • HOUZE FRANCOISCACARD ALBERT
    • F04C18/14F04C25/00F04C29/00
    • F04C29/0078F04C2220/12F16D1/0864
    • The invention relates to a dry vacuum pump comprising two rotors (6, 7) capable of rotating in a synchronized manner in opposing directions and without contact so as to feed a gas to be pumped from an intake (4) towards a delivery side of said pump (1), said pump (1) comprising a gear pair comprising two timing gears (20) each having a toothed wheel (22) mounted on a respective shaft (8, 9) of said rotors (6, 7) to synchronise the rotation of said rotors (6, 7), characterised in that at least one timing gear (20) is provided with a clamp (24) rigidly connected to said toothed wheel (22) of said gear (20) in order to clamp said gear (20) to said shaft (8, 9). The invention also relates to a method for assembling a pair of timing gears (20) in a dry vacuum pump (1) in the previously described manner.
    • 本发明涉及一种干式真空泵,包括两个转子(6,7),能够以相反的方向以同步的方式旋转并且不接触,从而将要从进气口(4)泵送的气体供给到所述 泵(1),所述泵(1)包括齿轮对,所述齿轮对包括两个正时齿轮(20),每个正时齿轮(20)具有安装在所述转子(6,7)的相应轴(8,9)上的齿轮(22) 所述转子(6,7)的旋转,其特征在于,至少一个正时齿轮(20)设置有刚性地连接到所述齿轮(20)的所述齿轮(22)的夹具(24),以便夹紧所述齿轮 (20)连接到所述轴(8,9)。 本发明还涉及以前述方式在干式真空泵(1)中组装一对正时齿轮(20)的方法。