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    • 7. 发明授权
    • Fluid dispensing system
    • 流体分配系统
    • US6010740A
    • 2000-01-04
    • US941855
    • 1997-09-30
    • Clinton W. RutledgeMichael GodfreyIan J. BuckleyWilliam W. Weil
    • Clinton W. RutledgeMichael GodfreyIan J. BuckleyWilliam W. Weil
    • G03G15/10B05B12/04B05C5/02B21D51/30B65B7/00B05D1/00
    • B05C5/022B05C5/0216B05C5/0225
    • An apparatus and method for controlling the opening of a solenoid actuated valve in a sealant dispensing gun are disclosed. A proximity sensor is provided adjacent a portion of the needle valve stem in order to sense when the needle valve has reached its open position. A dispense timer is initiated when the proximity sensor indicates that the needle valve has reached its open position. In this manner, the needle valve may be maintained in its open position for the desired dispense time only without regard to the response time of the solenoid device. Also disclosed is an apparatus and method for adjusting the valve open limit of a sealant dispensing device which incorporates a solenoid or motor actuated valve open limit device. A flow sensor is located in-line with the sealant supply path of a dispensing gun in order to monitor the dispense weight during each valve open cycle. A moving average of the dispense rates may then be calculated and compared to predetermined limits. If the limits are exceeded, the processor the processor automatically adjusts the solenoid or motor actuated valve open limit device in the proper direction in order to bring the dispense rate back into the proper dispense rate range.
    • 公开了一种用于控制密封剂分配枪中的电磁致动阀的打开的装置和方法。 在针阀杆的一部分附近设置接近传感器,以便在针阀到达其打开位置时感测。 当接近传感器指示针阀已经达到其打开位置时,启动分配定时器。 以这种方式,针阀可以保持在其打开位置以达到期望的分配时间,而不考虑螺线管装置的响应时间。 还公开了一种用于调节密封剂分配装置的阀开启极限的装置和方法,其包括螺线管或电动机致动阀开启极限装置。 流量传感器与分配枪的密封剂供应路径成一直线,以便在每个阀打开循环期间监测分配重量。 然后可以计算分配速率的移动平均值并将其与预定限制进行比较。 如果超出极限值,则处理器处理器将自动调整电磁阀或电动阀驱动的阀门开启极限装置的正确方向,以使分配速率恢复到适当的分配速率范围。