Fluid sprinkling – spraying – and diffusing – Simulations
Patent
1979-03-06
1982-04-13
Reeves, Robert B.
Fluid sprinkling, spraying, and diffusing
Simulations
239331, B05B 100
Patent
active
043243622
ABSTRACT:
A pocket atomizer that can be primed to hold liquid such as tear gas, in position for immediate discharge upon first application of its plunger. The atomizer includes a hollow piston having a hollow piston rod. The piston is movable up and down within a pump cylinder to force liquid up through the hollow piston rod. A check valve is located within the lower end of the hollow piston rod, and an orifice is located in the upper end of the hollow piston rod for discharging the pumped liquid. A capillary tube located within the hollow piston rod has an upper end coupled to the orifice for preventing liquid from draining therefrom between uses and thereby eliminates the necessity of priming the atomizer between uses. The lower end of the capillary tube terminates some distance above the check valve to define a chamber above the check valve. The check valve includes a valve seat and a ball of greater diameter than the capillary tube and of sufficient mass to seat in the valve seat when the piston is moved up. The chamber is of sufficient diameter and depth to enable the ball to move off the valve seat to enable liquid to be pumped up through the check valve and into the capillary tube when the piston is moved down. The check valve is of greater diameter than the capillary tube to enable a large quantity of liquid to be discharged through the orifice upon a single downward movement of the piston.
REFERENCES:
patent: 2069156 (1937-01-01), Bernhardt
patent: 2561570 (1951-07-01), Hadden
patent: 3223293 (1965-12-01), Seaquist
patent: 3601315 (1971-08-01), Montalbo
patent: 4228931 (1980-10-01), Ruscitti et al.
Church Gene A.
Pocket Supportable Atomizer Device Trust
Reeves Robert B.
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