Sprayer apparatus with backflow valve

Details Sprayer apparatus with backflow valve Sprayer apparatus with backflow valve

B - Operations, Transporting

05

B

B05B 9/04 (2006.01)

Patent

CA 2494645

The invention comprises, in one form thereof, a sprayer apparatus that includes a disengageable pressurized fluid source, a pressure chamber in fluid communication with the fluid source, a backflow valve, a sealed vessel, and a sprayer outlet. The backflow valve has two one-way valves separated by a weep mechanism and is positioned between the fluid source and the pressure chamber such that the two one-way valves allow fluid flow from the fluid source to the pressure chamber. The sealed vessel is in fluid communication with the pressure chamber. The sprayer outlet includes a shutoff valve in fluid communication with the pressure chamber. The shutoff valve normally prevents fluid flow from the pressure chamber to the sprayer outlet and is operable to allow fluid flow from the pressure tank to the sprayer outlet.

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