FOAMING GENERATOR WITH A MESH CUTTER Russian patent published in 2018 - IPC A62C31/02 B05B1/26 

FIELD: fire safety; fire engineering.

SUBSTANCE: invention relates to fire-fighting equipment and is designed for use in automatic systems of fire-fighting by generation of a high-expansion polydisperse foam under conditions of room smoke screening by blockage of quick-burning products with a high-expansion polydisperse foam. Foaming generator with a mesh cutter comprises a sprayer which consists of a throttling washer with an annular flange facing towards a fitting with a flange perpendicular to the axis of the throttling washer and the axis of a hole made in the fitting. In the throttling washer there is one central through hole and at least two concentrically circumferentially arranged rows of through holes, and there are nozzles in concentrically circumferentially arranged rows of through hole of the throttling washer. Passage sections of the through holes and corresponding channels for the supply of liquid in the nozzles are the same.

EFFECT: technical result is higher efficiency of spraying a fire-fighting liquid solution of a foaming agent (a high-expansion polydisperse foam).

1 cl, 2 dwg