Fluid sprinkling – spraying – and diffusing – Including supply holder for material – To be mixed – dissolved or entrained in a flowing liquid...
Patent
1997-09-26
1999-02-23
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
To be mixed, dissolved or entrained in a flowing liquid...
239346, 239349, 239369, 239375, B05B 730
Patent
active
058735305
ABSTRACT:
There is provided a liquid atomizing spray gun of the general type that produce single, finite bursts of gas/liquid mixture which overcomes disadvantages of prior designs in that it does not depend for pressurizing and propelling gas on the squeezing of a trigger while aiming the device throughout the spraying stroke and in which a gas compressing piston is not driven by or otherwise directly mechanically linked to a trigger. These and other objectives are achieved in part by providing a spray gun with a chamber containing a gas tight piston that is reciprocable within the chamber, but wherein the piston is not reciprocated by the trigger. Instead, the piston is independently drawn to a rearward position for drawing gas into the chamber through a one way gas intake valve by the creation of a partial vacuum within the chamber. The piston is then released and biased forward to compress the gas within the chamber. The compressed gas is stored within the chamber until it is released at high velocity through a conduit by a user's opening a second expulsion valve by means of a trigger where it then passes in the vicinity of an exit end of a conduit leading to the source of liquid to be sprayed and causes the suction of a quantity of that liquid into the path of the exiting gas in accordance with Bernoulli's Principle of inverse proportionality of fluid velocity and pressure. An atomized mixture of gas and liquid is thereby created and propelled generally in the direction of motion of the exiting gas. Applications for the device include the spraying of small localized quantities of insecticides, air freshening liquids, insect repellents, animal repellents, deicing solutions for locks in cold weather, water or any other liquid.
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Evans Robin O.
Franco Louis J.
Kashnikow Andres
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