SPRINKLER OF KOCHETOV Russian patent published in 2012 - IPC A62C31/00 

FIELD: fire-fighting means.

SUBSTANCE: invention relates to fire-fighting equipment and can be used in industrial and civil objects with high fire danger, for localisation of fire sources. Sprinkler comprises a body, a spray device and an element of an automatic trigger for exceeding the set temperature in the room; at that the body is made in the form of a cylindrical shell with windows on its side surface. At one end of the cylindrical shell facing in the direction of the spray device there is a partition. The spray device is made in the form of socket formed by a part of the spherical surface of thickness "s", and in which the radial slits are made. The socket is attached to the end surface of the shell by means of at least three spokes attached to a coaxial shell, the threaded sleeve, which is connected to the socket via screw. On the other, threaded end of the shell a fitting is fixed axisymmetrically for supply of extinguishing agent, which is fixed to the shell by means of a locknut. At the end of the fitting facing in the direction of the spray device a conical groove is made, where a spherical segment enters, which is a blocking valve, and on which end a glass bulb rests, the other end of which rests on an elastic pad, located in the center of the partition, where at least three openings are made for the passage of the extinguishing agent in the direction of the inner surface of the socket.

EFFECT: increased efficiency of fire fighting.

1 cl, 1 dwg