SPRINKLER WITH CONTROLLED START Russian patent published in 2013 - IPC A62C35/10 

FIELD: fire-prevention facilities.

SUBSTANCE: invention relates to fire-fighting equipment, in particular to sprinklers for use in automated plants of water and foam fire extinguishing. The sprinkler with a controlled start comprises a diffuser and a housing. In the housing there is a shutoff valve pressed through the disc spring, thermo-degradable sensor element. The thermo-degradable element is connected to the thermo-heating element, with outputs for connection to the control power supply source. The power supply source is equipped with a normally closed contact group which is connected to the outputs of the thermo-heating element. The contact group is made in the form of a shutoff valve and a cone cup which is located between the shutoff valve and the thermo-degradable sensor element. At the upper part of the housing a sleeve is located, on which a sprayer is rigidly mounted. The sprayer consists of a lower cup connected tightly to the sleeve and the upper cup-divider, on which conical surface the slits are made. The lower cup is connected by slanted spokes to the upper cup-divider. Inside the sprayer a divider is mounted which is made in the form of a body of revolution. The divider is attached via radial horizontal, flat lobes to slanted spokes.

EFFECT: providing the ability of remote management and control of the sprinkler condition.

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