EP 0880767 A1 19981202 - 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 US)
G08B 17/10 (2013.01 - EP US); G08B 17/113 (2013.01 - EP US)
Citation (search report)
See references of WO 9730428A1
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 P9901015 A2 19990728; HU P9901015 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 P9901015 A 19970213; NO 983734 A 19980814; PL 32834697 A 19970213; PT 97904439 T 19970213; SK 109998 A 19970213