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    Control system for continuously variable transmission with space saving automatic clutch control
    2.
    发明授权
    Control system for continuously variable transmission with space saving automatic clutch control 失效
    无级变速器控制系统，节省空间自动离合器控制

    公开(公告)号：US4542665A

    公开(公告)日：1985-09-24

    申请号：US543840

    申请日：1983-10-20

    申请人： Sigeaki Yamamuro ,  Haruyoshi Kumura ,  Yoshikazu Tanaka ,  Keiju Abo ,  Hiroyuki Hirano

    发明人： Sigeaki Yamamuro ,  Haruyoshi Kumura ,  Yoshikazu Tanaka ,  Keiju Abo ,  Hiroyuki Hirano

    IPC分类号： F16H61/662 ,  B60K41/12 ,  B60K41/10 ,  B60K41/18

    CPC分类号： F16H61/66259 ,  Y10T477/6203 ,  Y10T477/641

    摘要： A starting valve has a start fluid pressure regulating state and a complete engagement fluid pressure regulating state and supplies a regulated fluid pressure to a hydraulic clutch. A shift operating mechanism comprises a rod movable within a reduction ratio select range and an overstroke range. A complete engagement control valve has a spool operatively connected with the rod. When the rod is disposed within the reduction ratio select range, the complete engagement control valve renders the starting valve operable in the complete engagement fluid pressure regulating state, while when the rod is disposed within the overstroke range, the complete engagement control valve renders the starting valve operable in the start fluid pressure regulating state.

    摘要翻译： 启动阀具有启动流体压力调节状态和完全接合流体压力调节状态，并将调节的流体压力提供给液压离合器。 变速操作机构包括在减速比选择范围和行程范围内可移动的杆。 完整的接合控制阀具有与杆操作地连接的阀芯。 当杆设置在减速比选择范围内时，完全接合控制阀使起动阀在完全接合流体压力调节状态下可操作，而当杆设置在行程超出范围内时，完全接合控制阀使起动 阀可在起动流体压力调节状态下操作。

    Hydraulic control system for continuously variable V-belt transmission
    7.
    发明授权
    Hydraulic control system for continuously variable V-belt transmission 失效
    液压控制系统，用于连续变速的V型皮带传动

    公开(公告)号：US4584909A

    公开(公告)日：1986-04-29

    申请号：US559173

    申请日：1983-12-07

    申请人： Keiju Abo ,  Haruyoshi Kumura ,  Yoshikazu Tanaka ,  Hiroyuki Hirano ,  Sigeaki Yamamuro

    发明人： Keiju Abo ,  Haruyoshi Kumura ,  Yoshikazu Tanaka ,  Hiroyuki Hirano ,  Sigeaki Yamamuro

    IPC分类号： F16H37/02 ,  F16H59/36 ,  F16H61/00 ,  F16H61/662 ,  B60K41/16 ,  F16H11/06 ,  F16H37/00 ,  G01P1/02

    CPC分类号： F16H61/66259 ,  F16H61/6624 ,  F16H37/021 ,  Y10T477/6217 ,  Y10T477/6242

    摘要： A continuously variable V-belt transmission has a change-direction gearing upstream of a drive pulley, and a hydraulic control system. The hydraulic control system comprises a shift control valve for controlling the distribution of fluid pressure between the drive and driven pulleys, a pitot tube for generating an engine revolution speed indicative signal fluid pressure, a pitot tube for generating a drive pulley revolution speed indicative signal fluid pressure indicative of not only of a revolution speed of the drive pulley in the forward direction but also of a revolution speed of the drive pulley in the reverse direction, and a shift prohibiting valve for prohibiting the supply of fluid pressure to at least one of the cylinder chambers of the drive and driven pulley until a difference between the engine revolution speed indicative signal oil pressure and the drive pulley revolution speed indicative oil pressure is less than a predetermined value.

    摘要翻译： 无级变速皮带传动装置在驱动皮带轮的上游具有变速方向传动装置和液压控制系统。 液压控制系统包括用于控制驱动和从动皮带轮之间的流体压力分布的换档控制阀，用于产生指示信号流体压力的发动机转速的皮托管，用于产生驱动皮带轮转速指示信号流体的皮托管 压力不仅表示驱动皮带轮的向前方向的转速，而且表示驱动皮带轮在相反方向上的转速，还包括用于禁止向至少一个驱动滑轮供给流体压力的换档禁止阀 驱动和从动皮带轮的气缸室，直到发动机转速指示信号油压与驱动皮带轮转速指示油压之间的差值小于预定值。