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公开(公告)号：US3971453A
公开(公告)日：1976-07-27
申请号：US518405
申请日：1974-10-29
摘要： A pivot steering vehicle having a pair of hydrostatically operated driving wheels; and motors for driving those wheels which are driven by variable speed, reversible pumps; a control system is provided, having valve means for controlling the pressure applied to the pumps for controlling the speed and direction of the pumps; and cam means is provided which, in response to turning movements of the steering wheel, reduces the speed of the inside driving wheel, and after a predetermined point in the turning movements of the steering wheel, reverses the direction of that wheel.
摘要翻译： 一种具有一对液压驱动的驱动轮的枢轴转向车; 用于驱动由可变速泵驱动的车轮的电动机; 提供了一种控制系统，其具有用于控制施加到泵的压力以控制泵的速度和方向的阀装置; 并且提供凸轮装置，其响应于方向盘的转动而降低内侧驱动轮的速度，并且在方向盘的转动运动中的预定点之后，反转该车轮的方向。
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公开(公告)号：US3983901A
公开(公告)日：1976-10-05
申请号：US518404
申请日：1974-10-29
CPC分类号： B62D5/07 , B60K17/10 , B66F9/22 , Y10T137/87024 , Y10T137/87064
摘要： A pivot steering vehicle having a pair of hydrostatically operated driving wheels; and motors for driving those wheels which are driven by variable speed, reversible pumps; a control system is provided, having valve means for controlling the pressure applied to the pumps for controlling the speed and direction of the pumps; and cam means is provided which, in response to turning movements of the steering wheel, reduces the speed of the inside driving wheel, and after a predetermined point in the turning movements of the steering wheel, reverses the direction of that wheel.
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