Timed shower head valve

作者: William H. Dunckhorst

DOI:

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摘要: A shower head valve assembly for saving on the amount of water used a single shower, which provides timed cycle allowing to flow wetting, turns off soaping and then again rinsing preset period. The includes rotating ball set in chamber. is grooved ported control water. Rotation controlled by manually spring operated timer wound operation.

参考文章(5)
Teresa J. Frye, Joe G. Frye, Timed on-off sequence shower valve ,(1979)
Wallace A Bounds, Semi-automatic valves ,(1960)
William R Day, Herbert F Veit, Spherical valve having encapsulated seal means ,(1963)
Anton Van Veen, Self-actuating valve ,(1931)
Joseph Winston Baker, Rotary plug valve ,(1974)