LIQUID FLOW EJECTOR-TYPE SPREADER Russian patent published in 2017 - IPC A62C5/00 

FIELD: fire safety.

SUBSTANCE: nozzle diffuser contains a hollow body consisting of a cylindrical part with an external thread for connecting to the connection of the distribution pipeline for supplying liquid, and a cap nut fixed to the bottom of the body with a divider of the liquid flow. A cylindrical hole is made coaxial to the dissector in the case, in the upper part of which a screen filter is installed. To the end surface of the union nut axially symmetrical to the body is attached by means of couplers a divider of the liquid flow. The dissector consists of a diffuser, coaxial with the body, with ejection holes, to which is attached a cylindrical shell. In the shell are consistently installed four mesh cutters, one of them is made in the form of a mesh diffuser, fixed on a reticular circle, installed perpendicular to the axis of the diffuser. Two other mesh cutters, conical and circular, are fixed on the inner surface of the cylindrical shell in such a way that the axis of the conical mesh splitter is aligned with the axis of the diffuser, and the center of the circular dissector lies on the axis of the diffuser. The cavities of the mesh dividers located on both sides of the circular dissector are filled with a porous material.

EFFECT: higher efficiency of spraying a fire-quenching liquid solution of a foaming agent.

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