FIELD: fire alarm systems.
SUBSTANCE: device has body mounted on base, inside the body optical module is mounted with possible separation from body, including light emitter, light receiver, measuring chamber in form of a cylinder, limited by side labyrinth plates. Measuring chamber is provided with means increasing sensitivity to low concentrations of smoke.
EFFECT: higher manufacturability, higher personnel safety, higher efficiency, broader functional capabilities.
5 cl, 2 dwg
Title | Year | Author | Number |
---|---|---|---|
SMOKE SIGNALER | 2006 |
|
RU2317591C1 |
ADDRESSABLE DETECTOR WITH EXTERNAL SMOKE CHAMBER | 2010 |
|
RU2438185C1 |
DUST DETECTOR FOR GASEOUS MEDIUM | 2006 |
|
RU2324235C1 |
SMOKE DETECTOR | 2009 |
|
RU2417449C1 |
OPTICAL ELECTRIC FIRE-SMOKE DETECTOR | 2010 |
|
RU2450361C1 |
SMOKE ALARM DESIGN | 2007 |
|
RU2356096C1 |
SMOKE SUCTION STRUCTURE | 2006 |
|
RU2321072C1 |
HORIZONTALLY VENTILATED SMOKE CHAMBER | 2005 |
|
RU2301455C2 |
SMOKE ALARM | 1997 |
|
RU2189080C2 |
SMOKE ALARM DEVICE | 1997 |
|
RU2189639C2 |
Authors
Dates
2005-08-10—Published
2003-06-05—Filed