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公开(公告)号：US3779273A
公开(公告)日：1973-12-18
申请号：US3779273D
申请日：1971-12-06
CPC分类号： F16K17/34 , D06F39/081 , Y10T137/7727 , Y10T137/7759 , Y10T137/7853 , Y10T137/88054
摘要： An automatic shut off device particularly designed to be positioned upstream of the flexible hose through which the feed water flows to a household automatic washing machine. The device operates if flow through it continues for longer than the usual water-demand period of the washing machine cycle. It includes means for establishing a pressure differential, whose magnitude is substantially independent of the flow rate over a wide range of flow rates, and shut off means responsive to the continuance of that differential.
摘要翻译： 一种自动关闭装置，特别设计成位于柔性软管的上游，馈送水通过柔性软管流向家用自动洗衣机。 如果流经它的装置持续比洗衣机循环的通常的水需求时间更长的时间，则该装置工作。 它包括用于建立压力差的装置，其压力大体上独立于在宽的流量范围内的流速，以及响应该差速器的持续的截止装置。
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公开(公告)号：US3850199A
公开(公告)日：1974-11-26
申请号：US41008873
申请日：1973-10-26
CPC分类号： D06F39/081 , F16K17/34 , Y10T137/7727 , Y10T137/86389
摘要： An automatic shut off device particularly designed to be positioned upstream of the flexible hose through which the feed water flows to a household automatic washing machine. The device operates if flow through it continues for longer than the usual water-demand period of the washing machine cycle. It includes means for establishing a pressure differential, whose magnitude is substantially independent of the flow rate over a wide range of flow rates, and shut off means responsive to the continuance of that differential.
摘要翻译： 一种自动关闭装置，特别设计成位于柔性软管的上游，馈送水通过柔性软管流向家用自动洗衣机。 如果流经它的装置持续比洗衣机循环的通常的水需求时间更长的时间，则该装置工作。 它包括用于建立压力差的装置，其压力大体上独立于在宽的流量范围内的流速，以及响应该差速器的持续的截止装置。
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