EP 1550481 B1 20121219 - Inerting method for decreasing the risk of a fire
Title (en)
Inerting method for decreasing the risk of a fire
Title (de)
Inertisierungsverfahren zur Minderung des Risikos eines Brandes
Title (fr)
Procédé d'inertisation pour réduire le risque d'un feu
Publication
Application
Priority
EP 03029927 A 20031229
Abstract (en)
[origin: EP1550481A1] The firefighting system uses carbon dioxide, nitrogen or some other suitable inert gas to flood a room which is on fire. Output of gas from a pressure vessel dilutes the oxygen concentration in the room from the normal 21% by volume to below e.g. 12%. The flooding phase (t0,t1,t2) may take approximately 120 seconds, after which the oxygen level reaches a lower threshold (Unterer Schwellwert) and the gas is turned off. Air may leak in, raising the oxygen level. When it reaches an upper threshold (Oberer Schwellwert), the gas is turned on again until the lower level is reached. After a given time (t3), the primary source of inert gas is exhausted, and the oxygen concentration slowly rises toward a maximum safe level (Sicherheits Abschlag S).
IPC 8 full level
A62C 99/00 (2010.01)
CPC (source: EP US)
A62C 99/0009 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1550481 A1 20050706; EP 1550481 B1 20121219; AU 2004308568 A1 20050714; AU 2004308568 B2 20100826; CA 2551226 A1 20050714; CA 2551226 C 20111011; CN 1889999 A 20070103; CN 1889999 B 20121114; DK 1550481 T3 20130211; ES 2399215 T3 20130326; HK 1076415 A1 20060120; JP 2007516755 A 20070628; JP 4818932 B2 20111116; NO 20063302 L 20060928; RU 2318560 C1 20080310; TW 200534894 A 20051101; TW I302843 B 20081111; UA 86045 C2 20090325; US 2008011492 A1 20080117; US 7854270 B2 20101221; WO 2005063337 A1 20050714
DOCDB simple family (application)
EP 03029927 A 20031229; AU 2004308568 A 20041123; CA 2551226 A 20041123; CN 200480035850 A 20041123; DK 03029927 T 20031229; EP 2004013285 W 20041123; ES 03029927 T 20031229; HK 05108473 A 20050926; JP 2006545948 A 20041123; NO 20063302 A 20060717; RU 2006123037 A 20041123; TW 93138311 A 20041210; UA A200606995 A 20041123; US 58490504 A 20041123