Incipient fire detector

The incipient fire detector employs a particulate monitor for detecting particulates in the atmosphere. During an incipient fire condition, prior to ignition, a large mass of particulates less than 5 microns in size is generated by the combustible material which increases the concentration of such p...

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Bibliographische Detailangaben
Hauptverfasser:	BARR, LAURENCE GIBSON, CHUAN, RAYMOND LU-PO, HARKEE, JAMES FREDRICK
Format:	Patent
Sprache:	eng
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:	The incipient fire detector employs a particulate monitor for detecting particulates in the atmosphere. During an incipient fire condition, prior to ignition, a large mass of particulates less than 5 microns in size is generated by the combustible material which increases the concentration of such particulates in the atmosphere. The detector samples and responds to the rate of increase of such particulates to provide an alarm when such rate exceeds a predetermined rate indicative of a hazardous condition. The particle collector employed in the incipient fire detector is specially designed to collect particulates less than five microns in size and reject those above this size.