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    • 4. 发明申请
    • PRIMING PROTECTION
    • 预防保护
    • US20070154321A1
    • 2007-07-05
    • US11608001
    • 2006-12-07
    • Robert StilesLars BerthelsenGert KjaerFlorin Lungeanu
    • Robert StilesLars BerthelsenGert KjaerFlorin Lungeanu
    • F04B49/06
    • F04D15/0066F04B49/20F04D1/00F04D13/06F04D15/0077
    • A method and apparatus are provided for determining a priming status of a pumping system. The pumping system includes a water pump and a variable speed motor. The method includes the steps of determining a reference power consumption of the motor, determining an actual power consumption of the motor, comparing the reference and actual power consumptions, and determining a priming status of the pumping system based upon the comparison. In addition or alternatively, the method includes operating the motor at a motor speed and altering control of the motor based upon the priming status. In addition or alternatively, the pumping system includes means for determining a reference power consumption of the motor, means for determining an actual power consumption of the motor, means for determining a priming status of the pumping system, and means for altering control of the motor based upon the priming status.
    • 提供了一种用于确定泵送系统的起动状态的方法和装置。 泵送系统包括水泵和变速马达。 该方法包括以下步骤:确定电动机的参考功率消耗,确定电动机的实际功率消耗,比较参考和实际功率消耗,以及基于该比较确定泵送系统的启动状态。 另外或替代地,该方法包括以电动机速度操作电动机,并基于起动状态改变电动机的控制。 另外或替代地,泵送系统包括用于确定电动机的参考功率消耗的装置,用于确定电动机的实际功率消耗的装置,用于确定泵送系统的起动状态的装置,以及用于改变电动机的控制的装置 基于起动状态。
    • 6. 发明申请
    • ANTI-ENTRAPMENT AND ANTI-DEAD HEAD FUNCTION
    • 防伪和防死头功能
    • US20070183902A1
    • 2007-08-09
    • US11609057
    • 2006-12-11
    • Robert StilesLars BerthelsenPeter Westermann-RasmussenGert KjaerFlorin Lungeanu
    • Robert StilesLars BerthelsenPeter Westermann-RasmussenGert KjaerFlorin Lungeanu
    • F04B49/00
    • F04D15/0077F04B49/20F04D13/06F04D15/0066F04D15/0088
    • A pumping system includes a water pump for moving water. The pumping system includes means for determining a value indicative of a blockage that inhibits the movement of water through the pumping system, and means for determining a performance value of the pumping system. In one example, the pumping system includes means for comparing the performance value to the value indicative of a blockage and means for controlling the pump in response to the comparison. In another example, the system includes means for determining a change in power consumption of the water pump. In another example, the system includes means for determining a threshold value and means for controlling the pump when the performance value exceeds the threshold value. In another example, the system includes means for determining a difference value based upon a plurality of performance valves during a first time period and a second time period. A method of controlling the pumping system is also included.
    • 泵送系统包括用于移动水的水泵。 泵送系统包括用于确定指示阻止水通过泵送系统的运动的阻塞的值的装置,以及用于确定泵送系统的性能值的装置。 在一个示例中,泵送系统包括用于将性能值与指示堵塞的值进行比较的装置以及响应于比较来控制泵的装置。 在另一示例中,该系统包括用于确定水泵的功率消耗变化的装置。 在另一示例中,系统包括用于确定阈值的装置和当性能值超过阈值时控制泵的装置。 在另一示例中,系统包括用于在第一时间段和第二时间段期间基于多个性能阀确定差值的装置。 还包括一种控制泵送系统的方法。