A high pressure water control device

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 11/07 (2006.01) B05B 9/01 (2006.01) B05B 12/00 (2006.01) B26F 3/00 (2006.01) E01C 23/12 (2006.01) F16K 3/24 (2006.01) F16K 3/314 (2006.01)

Patent

CA 2412088

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 is 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 stool 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.

Dispositif de réglage d'eau à haute pression comprenant une entrée d'eau, une sortie d'eau à haute pression, une sortie d'eau à basse pression et un robinet pour brancher l'entrée à l'une ou l'autre des sorties. Le robinet est un distributeur à tiroir cylindrique comprenant un manchon et un tiroir cylindrique qui coulisse dans le manchon. Le tiroir cylindrique comporte deux joints annulaires espacés axialement, et le manchon comprend une rainure annulaire sur sa surface extérieure ainsi qu'un ou plusieurs orifices de déversement. Ces orifices relient la rainure et l'intérieur du manchon de sorte que, lorsque les orifices sont placés entre les joints espacés du tiroir cylindrique, de l'eau à haute pression chemine jusqu'à la sortie d'eau à haute pression. Le dispositif de commande a la forme d'un pistolet à eau doté d'un ajutage allongé au bout de la sortie à haute pression ainsi que d'un canon qui entoure l'ajutage et se prolonge jusque dans la sortie à basse pression.

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