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公开(公告)号：US06857646B2
公开(公告)日：2005-02-22
申请号：US10388922
申请日：2003-03-14
IPC分类号： B60G17/052 , B60G21/10 , B60G11/30
CPC分类号： B60G17/0528 , B60G21/106 , B60G2202/152 , B60G2204/82 , B60G2204/8304 , B60G2300/04 , B60G2500/2046 , B60G2800/012 , Y10T137/043
摘要： A suspension system that restricts side-to-side airflow between air springs on opposite sides of a vehicle or trailer. In one embodiment, active airflow discs in suspension ports of a valve operate in two modes; restrictive and non-restrictive. A disc attains a non-restrictive mode when air is exhausted from an air spring. A disc attains a restrictive mode when air is injected into the suspension port from the valve toward an air spring. Airflow discs in opposing suspension ports both attain a non-restrictive state to rapidly dump air from the springs and lower vehicle ride height. In another embodiment, a pneumatic circuit includes one-way check valves, in fluid communication with opposing air springs, aligned to restrict airflow between the opposing springs under uneven loading conditions. A pair of electronic solenoids acts in concert with the check valves to selectively inflate or deflate the air springs.
摘要翻译： 一种悬挂系统，其限制在车辆或拖车的相对侧上的空气弹簧之间的侧向气流。 在一个实施例中，阀的悬挂端口中的主动气流盘以两种模式运行; 限制性和非限制性。 当空气从空气弹簧排出时，盘达到非限制性模式。 当空气从阀向空气弹簧注入悬挂口时，盘达到限制模式。 相反的悬挂端口中的气流盘都达到非限制性状态，以迅速地从弹簧中排出空气并降低车辆行驶高度。 在另一个实施例中，气动回路包括与相对的空气弹簧流体连通的单向止回阀，其对齐以在不均匀的载荷条件下限制相对弹簧之间的气流。 一对电子螺线管与止回阀协调一致地选择性地使空气弹簧膨胀或放气。
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公开(公告)号：US06669217B2
公开(公告)日：2003-12-30
申请号：US09859548
申请日：2001-05-17
IPC分类号： B60G1130
CPC分类号： B60G17/0528 , B60G21/106 , B60G2202/152 , B60G2204/82 , B60G2204/8304 , B60G2300/04 , B60G2500/2046 , B60G2800/012 , Y10T137/043
摘要： A suspension system that restricts side-to-side airflow between air springs on opposite sides of a vehicle or trailer. In one embodiment, active airflow discs in suspension ports of a valve operate in two modes; restrictive and non-restrictive. A disc attains a non-restrictive mode when air is exhausted from an air spring. A disc attains a restrictive mode when air is injected into the suspension port from the valve toward an air spring. Airflow discs in opposing suspension ports both attain a non-restrictive state to rapidly dump air from the springs and lower vehicle ride height. In another embodiment, a pneumatic circuit includes one-way check valves, in fluid communication with opposing air springs, aligned to restrict airflow between the opposing springs under uneven loading conditions. A pair of electronic solenoids acts in concert with the check valves to selectively inflate or deflate the air springs.
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公开(公告)号：US5560591A
公开(公告)日：1996-10-01
申请号：US432989
申请日：1995-05-02
IPC分类号： B60G17/056 , B60G11/26
CPC分类号： B60G17/056 , Y10T137/86919
摘要： A leveling valve for controlling the amount of air within an air spring for maintaining a constant level of a vehicle chassis or frame relative to its axles. The valve includes several features including a novel actuating mechanism for actuating the valve. The mechanism includes a sleeve assembly slideable on an actuating plunger and constructed of three parts so designed as to compensate for any wear between the sleeve assembly and the actuator for the sleeve. Another feature is the construction of the elongated actuator extending between one end of the valve body wherein the actuating mechanism is located and the other end wherein a valve is located. Still another feature is the construction of the valve for metering the exhaust of air through the exhaust outlet, such metering being determined by the position of the actuator arm as the air spring adjusts to find the proper height. The fourth feature resides in a one-piece, molded dampening cylinder, dump cylinder, and guide for the valve actuator.
摘要翻译： 一种调平阀，用于控制空气弹簧内的空气量，以保持车辆底盘或框架相对于其轴的恒定水平。 阀包括几个特征，包括用于致动阀的新型致动机构。 该机构包括可在致动柱塞上滑动并由三个部件构成的套筒组件，其被设计成补偿套筒组件和用于套筒的致动器之间的任何磨损。 另一个特征是细长致动器的结构在阀体的一端之间延伸，其中致动机构位于阀门和另一端。 另一个特征是用于计量通过排气出口排出空气的阀的结构，这样的计量由空气弹簧调整以找到适当高度的致动器臂的位置来确定。 第四个特征在于一体式的成型润滑缸，倾卸缸和用于阀致动器的导向件。
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