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    • 2. 发明授权
    • Bubbler assembly
    • 起泡器总成
    • US4752031A
    • 1988-06-21
    • US104644
    • 1987-10-05
    • Vincent A. Merrick
    • Vincent A. Merrick
    • B05B1/30B05B15/10B05B1/32B05B1/36
    • B05B15/10B05B1/304
    • A bubbler includes two molded plastic parts, a main body portion with an internally threaded upper chamber terminating in a valve seat, and a hollow cap with a downwardly extending externally threaded valve stem for engagement with the internally threaded upper chamber of the body portion. Elongated channels extend from the open upper end of the body portion to a position adjacent the valve seat. When the cap is threaded onto the body portion with the end of the valve stem spaced from the valve seat, water flows from the lower chamber of the body portion past the valve seat and upwardly through the channels into the hollow part of the cap and then out through a space between the skirt on the cap and the body portion. When the cap is threaded downwardly to cause the valve stem to engage the valve seat, the bubbler is closed and no water flow takes place through it. Only two parts are required, and water flow adjustment is effected by rotation of the cap to regulate the flow from a full "off" flow to a maximum flow.
    • 起泡器包括两个模制塑料部件,主体部分,其具有终止于阀座中的内螺纹上室,以及具有向下延伸的外螺纹阀杆的中空盖,用于与主体部分的内螺纹上室接合。 细长的通道从主体部分的敞开的上端延伸到与阀座相邻的位置。 当阀盖螺纹连接到主体部分上时,阀杆的端部与阀座间隔开,水从主体部分的下腔流过阀座并向上通过通道进入盖的中空部分,然后 通过帽子上的裙部和身体部分之间的空间排出。 当盖子向下螺纹以使阀杆接合阀座时,起泡器关闭,并且没有水流通过它。 只需要两个部分,并且通过旋转帽来实现水流调节,以调节从完全“关闭”流到最大流量的流量。