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    • 2. 发明授权
    • Multiple recirculating toilet
    • 多重再生厕所
    • US3835478A
    • 1974-09-17
    • US26073872
    • 1972-06-08
    • MONOGRAM IND INC
    • MOLUS M
    • E03D5/016E03D1/22
    • E03D5/016Y10S4/03Y10T137/86163
    • A pumping system for a plurality of recirculating toilets sharing a common tank is described. A variable volume pump has an internal by-pass valve which is controlled by the fluid pressure in the output line, to prevent excessive fluid pressure at the toilets. More than one pump is provided in the system for increased reliability. When a pump is operated, a time delay circuit is connected to a pressure switch which energizes the ''''next'''' pump if the fluid pressure in the line does not exceed a predetermined pressure within a set time interval.
    • 描述了一种用于共享共用罐的多个循环厕所的泵送系统。 可变容积泵具有由输出管线中的流体压力控制的内部旁通阀,以防止厕所处的过大的流体压力。 在系统中提供多个泵以提高可靠性。 当泵运行时,如果在一定时间间隔内线路中的流体压力不超过预定压力,则时间延迟电路连接到对“下一个”泵通电的压力开关。