Method and apparatus for reducing the detrimental effects of a fire
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United States of America Patent
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Issued Date -
Mar 15, 2007
app pub date -
Sep 3, 2004
filing date -
Sep 3, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for reducing the adverse effects of a fire, in which method smoke and combustion gases are removed from a space by spraying through at least one first spray head (2) a mist of a medium into a duct part (1) leading away from the space so as to generate a suction from the space into the duct near the orifice (4) of the duct (1). In a first step, the first spray head (2) is activated and, when necessary, a connection is opened from the space into the duct part (1) via the orifice (4) of the duct part by opening a shutter element (5) and, in a second step, the connection from the space into the duct part (1) is closed by means of the shutter element (5) at least when the temperature of the combustion gases and/or smoke exceeds a predetermined value in the duct part or in its vicinity and, when necessary, the spraying through the first spray head (2) in the duct part (1) is stopped.
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