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    • 1. 发明授权
    • Engine overspeed control of retarder
    • 减速机的发动机超速控制
    • US3931870A
    • 1976-01-13
    • US478455
    • 1974-06-12
    • James A. Memmer
    • James A. Memmer
    • B60T1/087F16D57/04F16D67/00F16H47/06F16D57/02
    • B60T1/087F16D57/04F16D67/00F16H47/06
    • A power train having an engine, a retarder and a transmission and controls to manually control the retarder and an engine overspeed responsive control operative to shorten a link in the manual control to move the retarder control valve to automatically apply the retarder in response to engine overspeed. An air cylinder in a link of the retarder apply linkage is actuated by vehicle air brake pressure controlled by a transmission input or engine speed governor to apply the retarder and prevent engine speed above a predetermined value and thus limit vehicle speed. When the retarder apply air cylinder shortens the link, the retarder apply pedal engages the brake off stop to provide the reaction to move the retarder valve.
    • 具有发动机,减速器和变速器的动力传动系统并且控制以手动控制延迟器和发动机超速响应控制,其可操作以缩短手动控制中的连杆以移动减速器控制阀,以响应于发动机超速而自动应用减速器 。 缓速器连杆的连杆中的气缸由变速器输入或发动机调速器控制的车辆空气制动压力启动,以施加减速器并防止发动机转速高于预定值,从而限制车辆速度。 当减速器应用气缸缩短连杆时,减速器施加踏板与制动器关闭挡块接合以提供反作用力来移动减速阀。