Global Patent Index - EP 0880765 B1

EP 0880765 B1 2000-01-05 - METHOD AND DEVICE FOR DETECTING INCIPIENT FIRES

Title (en)

METHOD AND DEVICE FOR DETECTING INCIPIENT FIRES

Title (de)

VERFAHREN UND VORRICHTUNG ZUM DETEKTIEREN VON ENTSTEHUNGSBRÄNDEN

Title (fr)

PROCEDE ET DISPOSITIF POUR DETECTER DES INCENDIES NAISSANTS

Publication

EP 0880765 B1 (DE)

Application

EP 97903277 A

Priority

  • DE 19605638 A
  • EP 9700682 W

Abstract (en)

[origin: DE19605638C1] The invention concerns a method and device for detecting incipient fires in rooms or electronic apparatus. In order to detect a fire parameter, samples of air from the room or of apparatus-cooling air are continuously fed to a detector (1) via at least one feed pipe (15) which is disposed in the room to be monitored or on or in the apparatus to be monitored and comprises a plurality of intake apertures (18). An evaluation unit, which is electrically connected to the detector (1), emits a signal according to predetermine criteria when the detector (1) detects a fire parameter. According to the invention, in order to adapt the effective cross-section of the intake apertures to the different requirements of the room-protection and apparatus-monitoring systems, a foil (16) is bonded over each of the intake bores (10), which form the intake apertures (18), in the feed pipe (15), the foils comprising a punched hole (21) such that the hole (21) is aligned with the intake bore (10) in the feed pipe (15), and such that the diameter of the holes (21) in the foils (16) reduces the effective cross-section of the intake apertures (18).

IPC 1-7 (main, further and additional classification)

G08B 17/10

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 LU MC NL PT SE

EPO simple patent family

DE 19605638 C1 19970612; DE 19605638 C5 20041014; AT 188570 T 20000115; CZ 287960 B6 20010314; CZ 9802579 A3 19990113; EP 0880765 A1 19981202; EP 0880765 B1 20000105; ES 2143298 T3 20000501; GR 3033075 T3 20000831; HU 220957 B1 20020729; HU 9901013 A2 19990728; HU 9901013 A3 19991129; NO 328850 B1 20100531; NO 983736 A 19981014; NO 983736 D0 19980814; PL 183720 B1 20020731; PL 328301 A1 19990118; PT 880765 E 20000630; SK 110098 A3 20000214; SK 284815 B6 20051201; WO 9730427 A1 19970821

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