EP 0880767 B1 2000-01-12 - METHOD AND DEVICE FOR DE-ICING AN INTAKE APERTURE
Title (en)
METHOD AND DEVICE FOR DE-ICING AN INTAKE APERTURE
Title (de)
VORRICHTUNG UND VERFAHREN ZUM ENTEISEN EINER ANSAUGÖFFNUNG
Title (fr)
PROCEDE ET DISPOSITIF POUR DEGIVRER UN ORIFICE D'ASPIRATION
Publication
Application
Priority
- DE 19605842 A
- EP 9700683 W
Abstract (en)
[origin: DE19605842C1] The invention concerns a method and device for de-icing an intake aperture (2) in an intake duct (1) of a fire-alarm system, through which duct air from the room or apparatus is drawn in and fed to a detector for detecting a fire parameter. In order to effectively prevent an accumulation of ice at the intake aperture (2), a resilient element with a through-hole (3) coaxial to the intake aperture (2) is disposed in or on the latter, a blast of compressed air acting upon the resilient element in order to de-ice the intake aperture (2).
IPC 1-7 (main, further and additional classification)
IPC 8 full level (invention and additional information)
G08B 17/10 (2006.01)
CPC (invention and additional information)
G08B 17/10 (2013.01); G08B 17/113 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE
EPO simple patent family
DE 19605842 C1 19970424; AT 188797 T 20000115; CZ 290139 B6 20020612; CZ 9802577 A3 19990113; EP 0880767 A1 19981202; EP 0880767 B1 20000112; ES 2142663 T3 20000416; GR 3033076 T3 20000831; HU 220910 B1 20020629; HU 9901015 A2 19990728; HU 9901015 A3 19991129; NO 329265 B1 20100920; NO 983734 A 19980814; NO 983734 D0 19980814; PL 183402 B1 20020628; PL 328346 A1 19990118; PT 880767 E 20000428; SK 109998 A3 19990806; SK 284906 B6 20060202; US 6143090 A 20001107; WO 9730428 A1 19970821
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