FIELD: fire fighting equipment.
SUBSTANCE: fire-fighting unit (50. 50', 50") comprising a double-enclosed (12, 12') fire suppressant container (10, 10'), a piston (20, 20') axially movable in the container enclosure and isolating in the fire suppressant container a fire suppressant space (22, 22') from an extensive space (24, 24'). According to the invention, inside the fire suppressant container (10, 10') there is a pressure tank (28, 28') in the form of a compressed gas chamber (26, 26') spatially separated from the extensive space and used for high-pressure storage of propellant and for controlled supply thereof to the extensive space (24, 24') at low extinction pressure. The piston (20, 20') is movable along the compressed gas chamber (26, 26').
EFFECT: higher performance of the fire-fighting unit.
1 cl, 15 dwg
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Authors
Dates
2010-12-27—Published
2006-12-28—Filed