EP 0880767 B1 20000112 - 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 19960216
- EP 9700683 W 19970213
Abstract (en)
[origin: US6143090A] PCT No. PCT/EP97/00683 Sec. 371 Date Aug. 13, 1998 Sec. 102(e) Date Aug. 13, 1998 PCT Filed Feb. 13, 1997 PCT Pub. No. WO97/30428 PCT Pub. Date Aug. 21, 1997Disclosed is an apparatus and a method for de-icing an intake opening (2) in an intake duct (1) of a fire alarm system, through which ambient or equipment air is drawn in and supplied to a detector for sensing a fire parameter. To effectively remove an ice deposit on the intake opening (2) there is provided, in or on the intake opening (2), an elastic element having a through-hole (3) coaxial with the intake opening (2) which is adapted to be subjected to a compressed air blast in order to de-ice the intake opening (2) (FIGS. 4a to 4c).
IPC 1-7
IPC 8 full level
G08B 17/10 (2006.01)
CPC (source: EP)
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
DOCDB simple family (publication)
US 6143090 A 20001107; AT E188797 T1 20000115; CZ 257798 A3 19990113; CZ 290139 B6 20020612; DE 19605842 C1 19970424; DE 59701001 D1 20000217; 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 D0 19980814; NO 983734 L 19980814; PL 183402 B1 20020628; PL 328346 A1 19990118; PT 880767 E 20000428; SK 109998 A3 19990806; SK 284906 B6 20060202; WO 9730428 A1 19970821
DOCDB simple family (application)
US 12523898 A 19980813; AT 97904439 T 19970213; CZ 257798 A 19970213; DE 19605842 A 19960216; DE 59701001 T 19970213; EP 9700683 W 19970213; EP 97904439 A 19970213; ES 97904439 T 19970213; GR 20000400765 T 20000328; HU 9901015 A 19970213; NO 983734 A 19980814; PL 32834697 A 19970213; PT 97904439 T 19970213; SK 109998 A 19970213