AUTOMATIC FIRE EXTINGUISHING SYSTEM Russian patent published in 2014 - IPC A62C35/00 

FIELD: fire safety.

SUBSTANCE: in the automatic fire extinguishing system comprising a vessel in which the extinguishing agent is stored, the starting cylinder with the working gas, the pipeline network with sprinklers, the vessel is attached by the brackets to the building structure of the premises and has the device of the gas phase reset, combined with a measuring probe for the extinguishing agent, and is provided with a device of forming the gas-liquid mixture of vortex type, which is made in the form of a conical mixing chamber with a tangential inlet at the upper part, made in the form of a flexible high pressure hose connected to the starting cylinder filled with the working gas (e.g., nitrogen or CO₂), and feeding of the gas-liquid mixture is carried to the central pipeline is carried out from the lower part of the chamber connected to the fire extinguishing agent discharging unit, combined with the safety valve. The vertical inlet of the mixing chamber is connected to the device of pouring the extinguishing agent and the pressure switch, and the starting cylinder is located next to the container for the extinguishing agent and is equipped with the lock and release device of electric or thermo-mechanical start, and each unit of the distribution network comprises a gas-liquid mixture distribution device. When splitting the stream into two directions a standard tee is used, and when splitting the stream into three or more directions a distribution device of special structure is used, such as of chamber type, and each sprinkler or sprinkler unit is equipped with an orientation device in one or two planes. Each of the sprinklers comprises a cylindrical housing with a fitting rigidly connected to the housing and coaxially located in the upper part of the housing and having a cylindrical hole for supplying liquid, connected to the diffuser, axisymmetric to the housing and the fitting, and the sprayer is connected to the housing at its lower part by means of at least three spokes, located perpendicular to the housing axis and made in the form of a perforated disc.

EFFECT: increase in operation speed of fire extinguishing system.

2 dwg