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2. 发明授权

US5649719A Linkage suspension system 失效
标题翻译：联动悬挂系统
公开(公告)号：US5649719A
公开(公告)日：1997-07-22
申请号：US606058
申请日：1996-02-23
申请人： Gareth A. Wallace , Tjong T. Lie , Michael J. Keeler , Michael Gottshalk , John Ramsey , Allen Hatch , Richard S. Holum , Charles A. Van Breemen
发明人： Gareth A. Wallace , Tjong T. Lie , Michael J. Keeler , Michael Gottshalk , John Ramsey , Allen Hatch , Richard S. Holum , Charles A. Van Breemen
IPC分类号： B60G9/02 , B60G11/26
CPC分类号： B60G7/02 , B60G9/022 , B60G9/027 , B60G2200/314 , B60G2200/315 , B60G2200/341 , B60G2200/342 , B60G2202/152 , B60G2204/143 , B60G2204/41 , B60G2204/416 , B60G2204/4302 , B60G2206/12 , B60G2206/124 , B60G2206/601 , B60G2206/602
摘要： A vehicle suspension system particularly useful in the heavy duty truck and trailer industry is disclosed. The suspension features lower control rods that are pivotally connected at their leading ends to hangers attached to each side frame member. The rearward ends of the lower control rods are attached to axle seats, one at each end of the axle, which are connected to the axle of the vehicle. Air springs and shock absorbers or, alternatively, hydraulic cylinders with accumulators, are mounted between each axle seat and each side frame member. The lower control rods are in an inclined orientation with their forward ends above their trailing ends. Additionally, some embodiments of the suspension feature upper control rods with their forward ends pivotally attached to the two opposing truck side frame members. The rearward ends of the upper control rods are attached to the top center of the axle by either a bolt and bushing mount or a ball and socket mount so that the upper control rods form a "V". The upper control rods lay in a nearly horizontal plane. As an alternative to the "V" configuration of the upper control rods, a single, nearly horizontal, longitudinal upper control rod mounted between the centers of the frame cross member and the vehicle axle may be used in conjunction with either a control rod or a Watt linkage transverse to the side frame members. The suspension eliminates the heavy and costly Z-springs commonly used in air or hydraulic suspensions. The suspension has a lower frequency and is not torque reactive. Both of these features reduce vibration and provide for a better vehicle ride. The suspension also offers improved vehicle traction.
摘要翻译：公开了在重型卡车和拖车工业中特别有用的车辆悬架系统。悬架具有下部控制杆，它们在其前端枢转地连接到附接到每个侧框架构件的悬挂件。下部控制杆的后端连接到轴座，一个在轴的每个端部，其连接到车辆的车轴。空气弹簧和减震器或具有蓄能器的液压缸安装在每个轴座和每个侧架构件之间。下部控制杆处于倾斜方向，其前端位于其尾端的上方。此外，悬架的一些实施例具有上部控制杆，其前端枢转地连接到两个相对的卡车侧框架构件。上部控制杆的后端通过螺栓和衬套安装座或球窝座安装到车轴的顶部中心，以使上部控制杆形成“V”。上部控制杆处于接近水平的平面。作为上部控制杆的“V”构造的替代，安装在框架横向构件和车辆车轴的中心之间的单个几乎水平的纵向上部控制杆可以与控制杆或与侧框架构件横向的瓦特连接。该悬架消除了常用于空气或液压悬架的沉重和昂贵的Z-弹簧。悬架具有较低的频率，不受扭矩反作用。这两个功能都减少了振动，并提供了更好的车辆行驶。悬架还提供改进的车辆牵引力。

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