EP 1638062 A1 20060322 - Aspirating smoke detector and method of its operation

Title (en)

Aspirating smoke detector and method of its operation

Title (de)

Ansaugender Brandmelder und Verfahren zu dessen Betrieb

Title (fr)

Détecteur de fumée à aspiration et méthode de son fonctionnement

Publication

EP 1638062 A1 20060322 (DE)

Application

EP 05019151 A 20050902

Priority

DE 102004044094 A 20040909

Abstract (en)

A fire alarm box (61) sucks air in via a system (64) of pipes for rooms and equipment to be monitored and examines this air for parameters which are characteristic of a fire. Volume flow in the system of pipes and the fire alarm box is measured and, after adjustment, is examined for a disconnection or obstructions by comparison with upper and lower limiting values (614). Preferably a correction value is determined for every detector with respect to temperature, air pressure, humidity and hermeticity. An independent claim is also included for a fire alarm box with a detector for the parameters of a fire for carrying out the method of the present invention.

IPC 8 full level

G08B 29/04 (2006.01); G08B 17/10 (2006.01); G08B 29/24 (2006.01)

CPC (source: EP)

G08B 17/10 (2013.01); G08B 29/043 (2013.01); G08B 29/24 (2013.01)

Citation (applicant)

DE 3331203 A1 19850314 - SECURITON AG [CH]
DE 4428694 A1 19960222 - WAGNER ALARM SICHERUNG [DE]
EP 1056062 B1 20030924 - SECURITON AG [CH]

Citation (search report)

[XY] EP 0696787 A1 19960214 - WAGNER ALARM SICHERUNG [DE]
[Y] EP 0418409 A1 19910327 - SIEMENS AG [DE]
[A] US 4254414 A 19810303 - STREET THOMAS T, et al
[A] EP 0197371 A1 19861015 - SIEMENS AG [DE]

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1638062 A1 20060322; EP 1638062 B1 20080625; AT E399357 T1 20080715; DE 102004044094 A1 20060330; DE 502005004504 D1 20080807; ES 2309630 T3 20081216; PT 1638062 E 20080917

DOCDB simple family (application)

EP 05019151 A 20050902; AT 05019151 T 20050902; DE 102004044094 A 20040909; DE 502005004504 T 20050902; ES 05019151 T 20050902; PT 05019151 T 20050902