High pressure water control device
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United States of America Patent
Stats
-
Nov 25, 2003
Grant Date -
May 22, 2003
app pub date -
Nov 18, 2002
filing date -
Nov 16, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high pressure water control device comprising a water inlet, a high pressure water outlet, a low pressure water outlet and a valve for selectively communicating the inlet with one or other of the outlets. The valve is a spool valve comprising a sleeve and a spool slidable in the sleeve. The spool has two axially spaced apart annular seals and the sleeve includes an annular groove in its outer surface and one or more dump ports which communicate between the groove and the inside of the sleeve so that when the dump ports are disposed between the spaced apart seals of the spool high pressure water will be delivered to the high pressure water outlet. The control device is in the form of a water gun having an elongate nozzle terminating in the high pressure outlet and a barrel surrounding the nozzle and terminating in the low pressure outlet.
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