Detector with dust filter and airflow monitor

Details Detector with dust filter and airflow monitor Detector with dust filter and airflow monitor

2006-10-31

2006-10-31

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S606000

Reexamination Certificate

active

07129847

ABSTRACT:
A device for monitoring changes in airflow rates through detector dust filters in addition to assessing air for alarm indicators, including smoke, heat, gas, and relative humidity, is provided. A method monitors airflow through the detection device and provides a maintenance indication when the airflow has been reduced due to contamination of the dust filters.

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patent: 6285291 (2001-09-01), Knox et al.
patent: 6543282 (2003-04-01), Thompson
patent: 6776817 (2004-08-01), Lentz et al.

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