DEVICE, SYSTEM AND METHODS OF FIRE PROTECTION FOR EXPOSURE ON FIRE BY MEANS OF MIST Russian patent published in 2013 - IPC A62C35/00 

FIELD: fire safety.

SUBSTANCE: invention provides systems and method of their construction which provides water mist for exposure and, preferably, suppression of fire. In addition, the invention provides systems and methods of protecting the space by complete flooding the volume for exposure and, preferably, control and suppression, and, most preferably, extinguishing the fire. The invention also provides spraying devices for use in the said systems and methods. The device that generates a mist, which comprises a channel of the first flowing medium comprising the inlet of the first flowing medium and the outlet of the first flowing medium, located along the longitudinal axis of the device, and a channel of the second flowing medium comprising an inlet of the second flowing medium and an outlet of the second flowing medium, through which the second flowing medium passes, located along the longitudinal axis of the device coaxially with the channel of the first flowing medium and determining the equivalent aperture angle of 1-40°; where the channel of the second flowing medium comprises a neck between the inlet of the second flowing medium and the outlet of the second flowing medium, which has a smaller cross sectional area than the inlet of the second flowing medium and the outlet of the second flowing medium, so that the ratio of the areas between the neck and the outlet of the second flowing medium is 5:7-2:11, and where the ratio of cross-sectional areas of the outlet of the first flowing medium and the outlet of the second flowing medium is 10:3-1:12.

EFFECT: providing protection for exposure on fire by means of mist.

21 cl, 32 dwg