Fluid sprinkling – spraying – and diffusing – With system fluid relief or return to supply
Patent
1998-08-07
2000-05-09
Douglas, Steven O.
Fluid sprinkling, spraying, and diffusing
With system fluid relief or return to supply
239126, 239569, 239583, 4675, B05B 900
Patent
active
060592001
ABSTRACT:
A water flow rate control device includes a water output device connected to a water supply source for output of water through a water passage defined therein. A water flow rate control unit is mounted in the water output device and configured to close/open the water passage of the water output device and to regulate the water flow rate passing through the water passage of the water output device. A control switch is operated to drive the water flow rate control unit, causing the water flow rate control unit to close/open the water passage of the water output device. A pressure relief control unit includes a spring supported relief valve mounted in the water output device and coupled to the water flow rate control unit to automatically release a high pressure when the water flow rate control unit is driven to close the water passage of the water output device.
REFERENCES:
patent: 871321 (1907-11-01), Cassel
patent: 1256600 (1918-02-01), Schossow
patent: 3589610 (1971-06-01), Wahlin et al.
patent: 4161965 (1979-07-01), Merritt
patent: 4573639 (1986-03-01), Logue
Douglas Steven O.
Huyhn Khoa
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