Patent ID: 6644344
Filing Date: 2003-11-11
Classification: G01F,G01G,Y10T

Abstract:
A metering device comprising:a valve connected between a fluid source and a container; a weight-responsive means opening and closing said valve to control an amount of fluid supplied by said source to said container, said weight-responsive means comprising a balance arm and at least first and second switches, wherein; said container is arranged at a first end of said balance arm; pre-determined changes in weight of said container set a status of said first and second switches by causing said balance arm to establish or break contact with either of said first and second switches to open or close said valve; and the status of said first and second switches provides an indication of one of a filling period, during which said container is filled with fluid, and a timing cycle, during which fluid is removed from said container a flow rate of said fluid is measured.