EP 0511582 A1 19921104 - Device for detecting atmospheric impurities.
Title (en)
Device for detecting atmospheric impurities.
Title (de)
Vorrichtung zur Aufspürung von atmosphärischen Verunreinigungen.
Title (fr)
Dispositif pour la détection des impuretés atmosphériques.
Publication
Application
Priority
IT VR910037 A 19910429
Abstract (en)
The device for detecting atmospheric impurities has a detector (1) with a threshold adjuster (11), for detecting the presence of gaseous impurities in the ambient atmosphere, which emit variable control signals. The detector (1) is connected to analogue instruments (2) for displaying the level of the impurities represented by the variable control signals, and the threshold adjuster (11) is connected to an alarm actuator (6) for selectively or simultaneously controlling an acoustic alarm (7), a visual alarm (8), a solenoid valve for closing gas ducts and/or a relay (10) for disactivating power lines. <IMAGE>
IPC 1-7
IPC 8 full level
G08B 17/117 (2006.01); G08B 21/14 (2006.01); G08B 21/16 (2006.01)
CPC (source: EP)
G08B 17/117 (2013.01); G08B 21/14 (2013.01); G08B 21/16 (2013.01)
Citation (search report)
- [Y] US 4088986 A 19780509 - BOUCHER CHARLES E
- [Y] DE 3237021 A1 19830505 - WESTINGHOUSE ELECTROTECHNIEK E [NL]
- [A] WO 8801057 A2 19880211 - HOELTER HEINZ [DE]
- [A] GB 2137389 A 19841003 - CA MINISTER NAT DEFENCE
- [A] GB 2101748 A 19830119 - MINE SAFETY APPLIANCES CO [US]
- [A] US 3955186 A 19760504 - WASHBURN CLAYTON A, et al
- [A] US 3740718 A 19730619 - MELVIN W
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR LI NL PT
DOCDB simple family (publication)
EP 0511582 A1 19921104; CA 2067287 A1 19921030; IT 1249197 B 19950220; IT VR910037 A0 19910429; IT VR910037 A1 19921029
DOCDB simple family (application)
EP 92106868 A 19920421; CA 2067287 A 19920428; IT VR910037 A 19910429