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LOAD-REACTION SWITCHING VALVE ASSEMBLY

机译:负荷反应开关阀总成

摘要

A steering system for a vehicle includes a fluid pump, an actuator in selective fluid communication with the fluid pump, a hydrostatic steering system and an electro-hydraulic steering system. The hydrostatic steering system includes a fluid controller having a first proportional valve in fluid communication with the fluid pump and a fluid meter in fluid communication with the first proportional valve and the actuator. The electro-hydraulic steering system includes a second proportional valve in selective fluid communication with the fluid pump and the actuator. The second proportional valve is disposed in parallel to the first proportional valve. The electro-hydraulic steering circuit further includes a load-reaction switching valve assembly disposed in series with the first proportional valve of the hydrostatic steering system. The load-reaction switching valve allows fluid communication between the actuator and the fluid controller when the first proportional valve is in a neutral position.
机译:用于车辆的转向系统包括流体泵,与流体泵选择性地流体连通的致动器,静液压转向系统和电动液压转向系统。静液压转向系统包括流体控制器,该流体控制器具有与流体泵流体连通的第一比例阀和与第一比例阀和致动器流体连通的流体计。电动液压转向系统包括第二比例阀,其与流体泵和致动器选择性地流体连通。第二比例阀与第一比例阀平行设置。电动液压转向回路还包括与静液压转向系统的第一比例阀串联布置的负载反应切换阀组件。当第一比例阀处于中间位置时,负载反应切换阀允许执行器和流体控制器之间进行流体连通。

著录项

  • 公开/公告号US2017072998A1

    专利类型

  • 公开/公告日2017-03-16

    原文格式PDF

  • 申请/专利权人 EATON CORPORATION;

    申请/专利号US201515123159

  • 发明设计人 AARON KELLY KRAHN;

    申请日2015-03-05

  • 分类号B62D5/093;B62D5/04;B62D5/06;

  • 国家 US

  • 入库时间 2022-08-21 13:50:49

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