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    • 7. 发明授权
    • Automatic header height control system for combines and the like
    • 用于组合的自动头部高度控制系统等
    • US3886718A
    • 1975-06-03
    • US47092174
    • 1974-05-17
    • TALBOT JOHN M
    • TALBOT JOHN M
    • A01D41/14A01D67/00
    • A01D41/141
    • A control system for agricultural machines, such as a combine with a floating cutter bar attached, employs a set of independently operable sensors which are spaced along the grain table or header and responsive to the distance between the cutter bar at spaced points therealong and the header thereabove. An electrical and electronic control circuit in conjunction with the sensors raises the header in the event any sensor detects a distance between the cutter bar and the header less than a predetermined minimum, or lowers the header in the event all of the sensors detect distances between the two greater than a predetermined maximum.
    • 用于农业机械的控制系统,例如连接有浮动切割杆的组合,采用一组可独立操作的传感器,其沿着谷物台或头部间隔开,并且响应于在其间隔开的点处的切割杆之间的距离和头部 在上面 与传感器结合的电气和电子控制电路在任何传感器检测到切割杆和头部之间的距离小于预定最小值的情况下升高了头部,或者在所有传感器检测到 两个大于预定的最大值。