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1. 发明申请

WO2013096028A1 SEAT SUSPENSION SYSTEM HAVING FAIL-SAFE FUNCTIONALITY 审中-公开
标题翻译：具有失效安全功能的座椅悬挂系统
公开(公告)号：WO2013096028A1
公开(公告)日：2013-06-27
申请号：PCT/US2012/069042
申请日：2012-12-12
申请人： CATERPILLAR INC.
发明人： CONTRATTO, Michael, S. , SPANGLER, John, C. Jr. , LEWIS, Charles, E. II , MARCU, Florin, M. , GERSTNER, Kristen, A.
IPC分类号： B60N2/50 , B60N2/04
CPC分类号： B60N2/501 , B60N2/502 , B60N2/505 , B60N2/508 , B60N2/525 , B60N2/527
摘要： A suspension system (30) for a mobile machine (12) is disclosed. The suspension system may have a seat (26) operatively connected to a cabin floor (28) of the mobile machine, a cylinder (44) connected between the seat and the cabin floor, and a spring (46) associated with the cylinder. The suspension system may also have at least one valve (52) configured to regulate fluid flow into and out of the cylinder, and a controller in communication with the at least one valve. The controller (54) may be configured to detect a failure condition of the suspension system. In response to detection of the failure condition, the controller may be further configured to cause the at least one valve to move to a default position at which fluid flow into and out of the cylinder is restricted by an amount that still allows fluid flow through the at least one valve.
摘要翻译：公开了一种用于移动机器（12）的悬挂系统（30）。悬挂系统可以具有可操作地连接到移动机器的机舱地板（28）的座椅（26），连接在座椅和机舱地板之间的气缸（44）和与气缸相关联的弹簧（46）。悬挂系统还可以具有至少一个阀（52），其构造成调节流入和流出气缸的流体流量，以及与所述至少一个阀连通的控制器。控制器（54）可以被配置为检测悬架系统的故障状况。响应于故障状况的检测，控制器可以被进一步配置成使得至少一个阀移动到一个默认位置，在这个默认位置，进入和离开缸的流体流被限制在允许流体流过至少一个阀。

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