Patent ID: 8869907

Claim:
A hand-held aerosol fire suppression apparatus, comprising a button ( 2 ), a thermal insulating layer ( 3 ), a jet nozzle ( 8 ), an enclosure of apparatus ( 10 ), a combustion chamber ( 11 ), a rear fender ( 14 ) and a rear cap ( 17 ), wherein the enclosure of apparatus ( 10 ) contains an enclosure of cartridge ( 4 ) that accommodates a chemical agent ( 5 ) and an enclosure of cooling layer ( 6 ) that is filled with a cooling material ( 7 ), the combustion chamber ( 11 ) is installed between the enclosure of cartridge ( 4 ) and the enclosure of cooling layer ( 6 ), the thermal insulating layer ( 3 ) is arranged between the enclosure of apparatus ( 10 ) and the enclosure of cartridge ( 4 ), between the enclosure of apparatus ( 10 ) and the enclosure of cooling layer ( 6 ), and between the rear fender ( 14 ) and the chemical agent ( 5 ); a tapered jet orifice ( 9 ) is arranged between the jet nozzle ( 8 ) and the enclosure of cooling layer ( 6 ), and the tapered jet orifice ( 9 ) has a 30˜40 mm inlet diameter and a 5˜12 mm outlet diameter; the hand-held aerosol fire suppression apparatus can be fixed in a U-shaped holder ( 16 ) and a spongy cushion ( 19 ) is provided on the U-shaped holder ( 16 ); the U-shaped holder ( 16 ) has a tray that can support the apparatus on the bottom, a retaining ring ( 22 ) that can hold the apparatus on the upper part, and a fixing hold ( 20 ) in the middle part; the apparatus further comprises a safety pole ( 1 ) and a safety ring ( 18 ), wherein, the safety ring ( 18 ) is a circular ring connected with a thin wire, and the other end of the thin wire is led into a small hole arranged above piezoelectric ceramics ( 15 ).