Fluid sprinkling – spraying – and diffusing – With system fluid relief or return to supply – By pressure responsive means
Patent
1985-04-01
1986-06-10
Peters, Jr., Joseph F.
Fluid sprinkling, spraying, and diffusing
With system fluid relief or return to supply
By pressure responsive means
13761411, 239527, 239574, 239586, 251 3005, B05B 903
Patent
active
045938580
ABSTRACT:
The present invention contemplates a fluid delivery system for use with one or more individual water blast guns, each of which have an auxiliary shut-off valve integral with the gun and also include electric circuit completion means for operating a pneumatic secondary shut-off valve in series with the high pressure fluid supply conduit feeding each gun. This series arrangement of first and second shut-off valves in the fluid conduit between the pump discharge and each individual gun assures a fail-safe shut-off system which gives the operator of each gun the assurance that upon release of the water blast gun trigger that cessation of the water blast from the gun nozzle will occur. Accordingly, the likelihood of the operator falling over backwards upon release of the gun trigger is eliminated and risk of a dropped runaway water blast gun that failed to shut-off is eliminated.
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Butterworth Inc.
Forman Michael J.
Peters Jr. Joseph F.
Wohlers Donald F.
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