Fluid sprinkling – spraying – and diffusing – Processes
Patent
1994-09-29
1996-06-04
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
Processes
239163, 239168, 239170, 239129, 1375278, B05B 904, B05B 120, F16K 2104
Patent
active
055225438
ABSTRACT:
A pressurization system for a tank on a water truck includes a pipe connected at one end via a remotely controllable three-way valve directly into the engine exhaust system of the truck and at the other end into a top portion of the water tank. Engine exhaust is thus selectively introduced into the water tank to pressurize the tank. The tank includes a top-mounted fill opening with an internal, counter-weighted flapper valve. With the internal flapper valve, the truck can be driven beneath a high volume water source and water from the source, when it hits the counter-weighted flapper valve, opens the valve by urging the flapper against the action of the counter-weight, but the flapper valve is once again closed by action of the counter-weight when water flow ceases. An anti-siphon orifice in a water outlet conduit serves to prevent water from freezing in the outlet conduit once pressurization is stopped.
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Herzog Contracting Corporation
Merritt Karen B.
LandOfFree
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