公开(公告)号：US06834736B2

公开(公告)日：2004-12-28

申请号：US10321325

申请日：2002-12-17

申请人： Bradley James Kramer ,  Eric Norman Griesbach ,  Jeffrey A. Rogala

发明人： Bradley James Kramer ,  Eric Norman Griesbach ,  Jeffrey A. Rogala

IPC分类号： B62D4900

CPC分类号： B60G17/015

摘要： A suspension system isolates the operator cab or seat from vibrations in the chassis of a vehicle. At least one hydraulic actuator is connected between the cab or seat and the vehicle chassis. An accumulator is coupled to the hydraulic actuator and acts as a hydraulic spring to attenuate high frequency vibrations. An electrically operable, three-position, closed-center control valve selectively connects the hydraulic actuator to a source of pressurized hydraulic fluid or a reservoir. Sensors detect acceleration and displacement of the cab or seat to which a controller responds by operating the valve. That control of the valve actively drives the hydraulic actuator to produce motion that counters the relatively low frequency vibrations from the chassis.

摘要翻译： 悬挂系统将驾驶室或座椅与车辆底盘中的振动隔离开来。 至少一个液压执行器连接在驾驶室或座椅与车辆底盘之间。 蓄能器联接到液压致动器并用作液压弹簧以衰减高频振动。 电气可操作的三位置闭合中心控制阀选择性地将液压致动器连接到加压液压流体源或储存器。 传感器通过操作阀门来检测控制器响应的驾驶室或座椅的加速度和位移。 阀的这种控制主动地驱动液压致动器以产生对来自底盘的相对低频振动的运动。