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    • 9. 发明授权
    • Method to calibrate a flow balance valve on a windrower draper header
    • 校准在划船者排水头上的流量平衡阀的方法
    • US08113033B2
    • 2012-02-14
    • US12480227
    • 2009-06-08
    • Robert L. FacklerTimothy W. Rawlings, Jr.
    • Robert L. FacklerTimothy W. Rawlings, Jr.
    • G01F25/00
    • A01D41/142A01D57/20
    • A simplified method for calibrating a variable-displacement hydraulic PTO system on an agricultural windrower when powering a header wherein the variable-displacement pump is operated at maximum flow capacity while the engine is operated at a pre-determined speed and a flow balance valve is adjusted to achieved a pre-determined cutterbar speed. Operation of the cutterbar at the pre-determined speed allows sufficient hydraulic fluid flow through the remaining parallel fluid circuit to power the remaining equipment, typically a reel, on the header. Controls for managing pump displacement and engine speed as well as indication of cutterbar speed are typically available on the windrower tractor thereby eliminating the need for additional diagnostic equipment and making the method suitable for use in the field.
    • 一种简化的方法,用于在对集料供电时校准农业采油机上的可变排量液压PTO系统,其中当发动机以预定速度运行并且流量平衡阀被调节时,可变排量泵以最大流量运行 达到预定切割速度。 以预定速度操作切割器,允许足够的液压流体流过剩余的并联流体回路,以将残留的设备(通常为卷轴)供给头部。 用于管理泵排量和发动机转速以及切割机速度指示的控制通常可在货轮拖拉机上获得,从而不需要额外的诊断设备并使该方法适用于现场。