Spraying apparatus

Details Spraying apparatus Spraying apparatus

1977-03-01

1978-05-02

Blunk, Evon C.

Fluid sprinkling, spraying, and diffusing

With mobile tank-type supply means

222136, 22240218, 239308, 239311, 239373, B65D 8314

Patent

active

040870480

ABSTRACT:
A spraying apparatus utilizes pressurized gas to spray liquid contained in a large replaceable or refillable cartridge. The cartridge is positioned within a casing which provides a pressure chamber, and a source of pressurized gas is attached to the casing to pressurize the chamber. The top of the cartridge communicates with the chamber so that the liquid is also pressurized. A tube extends from above the level of the liquid in the cartridge to the bottom of the cartridge and is attached to a valve. An opening is provided in the tube adjacent to the bottom of the cartridge, and the diameter of the tube is reduced above the opening to restrict the flow of gas through the tube and to create a pressure differential in the tube. When the valve is open, pressurized gas flows through the tube, and, since the pressure of the gas inside the tube at the opening is less than the pressure of the liquid, liquid flows through the opening, mixes with the gas within the tube, and flows through the valve.

REFERENCES:
patent: 1636331 (1927-07-01), Smith
patent: 2522743 (1950-09-01), Brousseau et al.
patent: 3228667 (1966-01-01), Jones, Jr. et al.
patent: 3700144 (1972-10-01), Smrt
patent: 3817429 (1974-06-01), Smrt
patent: 3924784 (1975-12-01), Smrt

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