SPRAYER Russian patent published in 2015 - IPC A62C31/02 

FIELD: fire safety.

SUBSTANCE: sprayer of liquid comprises a hollow cylindrical housing connected to a nozzle, in which throttle openings are provided, and the hollow housing consists of a cylindrical part with an external thread for connection to the fitting of the dispensing pipeline for liquid supply, and two hollow cylindrical-conical belts connected in series and coaxial to it, and a nozzle is fixed coaxially to the housing in its lower part, provided in the form of a cup, in which bottom the vertical and inclined orifice holes are made at an angle of 45° to the axis of the nozzle, and the housing and the nozzle form with each other several coaxial internal chambers: cylindrical and a conical chamber located between them, at that the cylindrical chamber is designed for supply of the sprayed liquid, the conical chamber and the cylindrical one are the expansion chambers, and in the central part of the nozzle a rod is mounted coaxially to it, in the upper part of which a filter screen is fixed, located in the annular gap between the cylindrical part of the housing and the rod, and the cavity of the expansion cylindrical chamber is filled with a mesh material such as wire of "thread waste" type.

EFFECT: increased efficiency of fine spraying of the liquid.

1 dwg