FIRE-EXTINGUISHING DEVICE Russian patent published in 1997 - IPC

FIELD: fire-fighting equipment. SUBSTANCE: explosive charge generating fire-extinguishing mixture is installed in body provided with starting unit and layer of granules from ablative material. Outlets are made on segment of sphere to form flat front of fire-extinguishing mixture from discrete jets. Body is placed in shell and endothermally decomposed heat-proof material is located between body and shell. Noncombustible gaseous products of decomposition of body heat insulation pass through channels in its upper part to receiver formed by means of flat springs in the space segment of sphere and granule cooling layer. Explosive charge in body is mounted with guaranteed gap by means of corrugated cylinder. EFFECT: higher efficiency. 3 cl, 1 tbl