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    • 1. 发明公开
    • Engine auxiliary drive and an engine auxiliary fitted therewith
    • Nebenaggregatantriebfüreine Brennkraftmaschine。
    • EP0068730A1
    • 1983-01-05
    • EP82303143.0
    • 1982-06-17
    • LUCAS INDUSTRIES public limited company
    • Cross, Dennis RowlandHemmings, Robert
    • F02B67/04F16H9/06
    • F16H9/06F02B67/06F02B2275/06
    • A drive for an internal combustion engine to an auxiliary, such as an alternator (10), having an input shaft (18), has a first pulley (16) mounted on the shaft (18) via a centrifugal clutch (20), and a second, larger pulley (17) mounted on the shaft (18) via a unidirectional clutch (22). A first belt (38) from the engine passes over the first pulley (16) and a further pulley (31) adjustably mounted on the alternator (10). A second belt (39) passes over the further pulley (31) and the second pulley (17). Below a predetermined engine speed, the belt (38) drives the shaft (18) via the clutch (20) whilst the second pulley (20) rotates relative to the shaft (18). At higher speeds the clutch (20) automatically disengages and the shaft (18) is driven at a lower speed ratio via the second pulley (17).
      In a modification, the further pulley (31) is replaced by separate further pulleys (140, 141) which are operably interconnected by a centrifugal clutch (120) which replaces the clutch (20).
    • 用于具有输入轴(18)的诸如交流发电机(10)的辅助装置的内燃机的驱动器具有经由离心式离合器(20)安装在轴(18)上的第一滑轮(16),以及 通过单向离合器(22)安装在轴(18)上的第二较大的滑轮(17)。 来自发动机的第一带(38)通过第一滑轮(16)和可调节地安装在交流发电机(10)上的另一滑轮(31)。 第二皮带(39)越过另一皮带轮(31)和第二皮带轮(17)。 在预定的发动机速度下,带(38)经由离合器(20)驱动轴(18),同时第二滑轮(20)相对于轴(18)旋转。 在较高速度下,离合器(20)自动脱离,并且轴(18)经由第二滑轮(17)以较低的速比被驱动。 在一个变型中,另外的滑轮(31)由分开的进一步的皮带轮(140,141)代替,所述皮带轮通过替代离合器(20)的离心式离合器(120)可操作地连接。