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    • 9. 发明授权
    • Tractor trailer rear door air drag reduction system to reduce fuel consumption
    • 拖拉机拖车后门减压系统降低油耗
    • US08820817B1
    • 2014-09-02
    • US13871173
    • 2013-04-26
    • Matthew Anderson
    • Matthew Anderson
    • B62D35/00
    • B62D35/004B62D35/001
    • An air deflection device having first and second expandable modules that can also be folded up for storage that include first and second panels for each module and a flexible chamber cover connected to said first and second panels that expand into a 90° pie-shaped cylinder. Each of said modules can be attached to the rear of a truck trailer and expanded into the operating mode forming an air deflection device in the shape of a 180° half cylinder which reduces air drag and eddy currents behind a truck trailer traveling at highway speeds for improving gas mileage. The air deflecting modules may be expanded by inflation using air pumps or manually. Each module includes a series of pie-shaped spacers internally to add rigidity to the shape of each module. The device when deployed can also support an additional load on the top rear of the truck.
    • 一种具有第一和第二可膨胀模块的空气偏转装置,该第一和第二可膨胀模块也可以折叠起来用于存储,其包括用于每个模块的第一和第二面板以及连接到所述第一和第二面板的柔性室盖,所述第一和第二面板膨胀成90°馅饼状的气 每个所述模块可以附接到卡车拖车的后部并且扩展到操作模式,形成半圆形180°的形状的空气偏转装置,这减少了以公路速度行进的卡车拖车后面的空气阻力和涡流 提高燃油里程。 空气偏转模块可以通过使用空气泵或手动的膨胀膨胀。 每个模块在内部包括一系列饼形间隔件,以增加每个模块形状的刚度。 部署时的设备还可以支持叉车顶部后部的额外负载。