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    • 3. 发明授权
    • Method of assembling a power steering control valve
    • 组合动力转向控制阀的方法
    • US6052900A
    • 2000-04-25
    • US102137
    • 1998-06-22
    • Christopher T. Campbell
    • Christopher T. Campbell
    • B62D5/083B23P17/00
    • B62D5/083Y10T29/49412Y10T29/49423Y10T29/49925
    • A power steering control valve (22) has an inner valve member (40) which is connected with a follow-up member (54) by a torsion bar (102). An outer valve member (42) is fixedly connected with the follow-up member (54) by indentations (56). Before the outer valve member (42) is fixedly connected with the follow-up member (54) by the indentations (56), the inner and outer valve members (40 and 42) are moved relative to each other to determine a hydraulically centered condition. When the power steering control valve (22) is in the hydraulically centered condition, equal fluid pressures are conducted to a power steering motor (31) in response to equal clockwise or counterclockwise actuation of the valve members (40 and 42) relative to each other. The outer valve member (42) is then fixedly connected with the follow-up member (54) with the power steering control valve (22) in the hydraulically centered condition.
    • 动力转向控制阀(22)具有通过扭杆(102)与后续构件(54)相连的内阀构件(40)。 外部阀构件(42)通过凹陷(56)与后续构件(54)固定连接。 在外阀构件(42)通过凹部(56)与跟随构件(54)固定连接之前,内阀构件(40)和外阀构件(42)相对于彼此移动以确定液压中心状态 。 当动力转向控制阀(22)处于液压中心状态时,响应于阀构件(40和42)相对于彼此的相同的顺时针或逆时针致动,相等的流体压力被传导到动力转向电动机(31) 。 然后,外部阀构件(42)与动力转向控制阀(22)在液压中心状态下与跟随构件(54)固定连接。