DUST PARTICULATE SEPARATOR FOR DUCTED SMOKE DETECTORS

DUST PARTICULATE SEPARATOR FOR DUCTED SMOKE DETECTORS

A ducted smoke detector includes a housing defining an interior cavity, an air inlet in fluid communication with the interior cavity, an air outlet in fluid communication with the interior cavity, a smoke sensing chamber disposed in the interior cavity, and a particulate separator disposed between a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SEEBALUCK, Len D, ROGERS, Aaron S
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALARM SYSTEMS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
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Beschreibung
Zusammenfassung:A ducted smoke detector includes a housing defining an interior cavity, an air inlet in fluid communication with the interior cavity, an air outlet in fluid communication with the interior cavity, a smoke sensing chamber disposed in the interior cavity, and a particulate separator disposed between and in fluid communication with the air inlet and the smoke sensing chamber in the interior cavity. The particulate separator includes a shaft, a perforated wall disposed around the shaft, and a plurality of deflection vanes disposed on the shaft. The perforated wall extends from a first open end to a second open end, is connected to the shaft, and is configured to rotate with the shaft. The plurality of deflection vanes is disposed on the shaft and extend radially outward toward the perforated wall, the plurality of deflection vanes configured to rotate with the shaft and the perforated wall.