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    Hydraulically servocontrolled transmission for a road vehicle provided with an internal combustion engine
    34.
    发明授权
    Hydraulically servocontrolled transmission for a road vehicle provided with an internal combustion engine 有权
    具有内燃机的公路车辆的液压伺服控制传动装置

    公开(公告)号：US07892142B2

    公开(公告)日：2011-02-22

    申请号：US12008434

    申请日：2008-01-11

    申请人： Stefano Giorgini

    发明人： Stefano Giorgini

    IPC分类号： B60W10/04 ,  B60W10/02 ,  F16H61/04 ,  B60K26/00

    CPC分类号： F16H61/30 ,  F16H63/3483 ,  F16H63/483 ,  F16H2061/168 ,  F16H2061/305 ,  F16H2312/12 ,  Y10T477/6417 ,  Y10T477/688 ,  Y10T477/69377 ,  Y10T477/837

    摘要： A hydraulically servocontrolled transmission for a road vehicle provided with an internal combustion engine; the servocontrolled transmission displays: a servocontrolled mechanical gearbox operated by at least one first hydraulic actuator; a servocontrolled clutch operated by at least one second hydraulic actuator; a hydraulic circuit comprising a hydraulic accumulator, which contains pressurised control fluid which is used by the hydraulic actuators, and a pump, which is directly operated by the internal combustion engine to supply pressurised control fluid to the hydraulic accumulator; a park-lock device operatable to block the rotation of the driving wheels; and a control unit, which, when the internal combustion engine is turned off, uses the remaining pressure of the control fluid within the hydraulic accumulator to bring the servocontrolled mechanical gearbox in a neutral position.

    摘要翻译： 一种用于设置有内燃机的公路车辆的液压伺服控制传动装置; 伺服控制的变速器显示：由至少一个第一液压致动器操作的伺服控制的机械变速箱; 由至少一个第二液压致动器操作的伺服控制离合器; 包括液压蓄能器的液压回路，所述液压蓄能器包含由所述液压致动器使用的加压控制流体;以及泵，所述泵由所述内燃机直接操作以向所述液压蓄能器供应加压控制流体; 公园锁定装置，其可操作以阻止所述驱动轮的旋转; 以及控制单元，当所述内燃机关闭时，所述控制单元使用所述液压蓄能器内的所述控制流体的剩余压力使所述伺服控制的机械变速箱处于中立位置。