Steering apparatus
    2.
    发明授权
    Steering apparatus 有权
    转向装置

    公开(公告)号:US08307937B2

    公开(公告)日:2012-11-13

    申请号:US12704555

    申请日:2010-02-12

    CPC classification number: B62D5/12 B62D7/148 B62D7/1563 F15B15/1476

    Abstract: An improved apparatus (30) for steering rear wheels (16, 18) of a vehicle (10) includes hydraulic motor (34) having chambers (56, 58) which hold hydraulic fluid. An increase in fluid pressure in one of the chambers turns the steerable rear wheels of the vehicle in a first direction. An increase in fluid pressure in another one of the chambers turns the steerable rear wheels in a second direction. A control valve (36) is connected in fluid communication with the chambers (56, 58) of the hydraulic motor. The control valve (36) is free of a return flow of hydraulic fluid from the motor (34). A return conduit (134) is connected with the chambers (56, 58) and conducts a flow of hydraulic fluid to a reservoir (116) along a path which is spaced from the control valve (36). The motor (34) may include springs (70, 72) which are disposed in the chambers (56, 58) of the motor. Biasing sleeves (76, 78) are effective to transmit force from the springs to a piston (62).

    Abstract translation: 用于转向车辆(10)的后轮(16,18)的改进的装置(30)包括具有容纳液压流体的腔室(56,58)的液压马达(34)。 其中一个室中的流体压力的增加使车辆的可转向后轮沿第一方向转动。 在另一个室中的流体压力的增加使可转向后轮沿第二方向转动。 控制阀(36)与液压马达的腔室(56,58)流体连通地连接。 控制阀(36)没有来自马达(34)的液压流体的回流。 返回管道(134)与腔室(56,58)连接,并且沿着与控制阀(36)间隔开的路径将液压流体流动到储存器(116)。 马达(34)可以包括设置在马达的腔室(56,58)中的弹簧(70,72)。 偏置套筒(76,78)有效地将力从弹簧传递到活塞(62)。

    STEERING APPARATUS
    3.
    发明申请
    STEERING APPARATUS 有权
    转向装置

    公开(公告)号:US20110198146A1

    公开(公告)日:2011-08-18

    申请号:US12704555

    申请日:2010-02-12

    CPC classification number: B62D5/12 B62D7/148 B62D7/1563 F15B15/1476

    Abstract: An improved apparatus (30) for steering rear wheels (16, 18) of a vehicle (10) includes hydraulic motor (34) having chambers (56, 58) which hold hydraulic fluid. An increase in fluid pressure in one of the chambers turns the steerable rear wheels of the vehicle in a first direction. An increase in fluid pressure in another one of the chambers turns the steerable rear wheels in a second direction. A control valve (36) is connected in fluid communication with the chambers (56, 58) of the hydraulic motor. The control valve (36) is free of a return flow of hydraulic fluid from the motor (34). A return conduit (134) is connected with the chambers (56, 58) and conducts a flow of hydraulic fluid to a reservoir (116) along a path which is spaced from the control valve (36). The motor (34) may include springs (70, 72) which are disposed in the chambers (56, 58) of the motor. Biasing sleeves (76, 78) are effective to transmit force from the springs to a piston (62).

    Abstract translation: 用于转向车辆(10)的后轮(16,18)的改进的装置(30)包括具有容纳液压流体的腔室(56,58)的液压马达(34)。 其中一个室中的流体压力的增加使车辆的可转向后轮沿第一方向转动。 在另一个室中的流体压力的增加使可转向的后轮沿第二方向转动。 控制阀(36)与液压马达的腔室(56,58)流体连通地连接。 控制阀(36)没有来自马达(34)的液压流体的回流。 返回管道(134)与腔室(56,58)连接,并且沿着与控制阀(36)间隔开的路径将液压流体流动到储存器(116)。 马达(34)可以包括设置在马达的腔室(56,58)中的弹簧(70,72)。 偏置套筒(76,78)有效地将力从弹簧传递到活塞(62)。

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