Publication Date:
2019-06-28
Description:
Circuit reduces intermittent fan-flutter openings in airflow switch. Circuit ignores brief switch openings due to contact oscillations; however, if switch is open longer than selected interval, control circuit shuts down system and sounds alarm.
Keywords:
ELECTRONIC COMPONENTS AND CIRCUITS
Type:
LEW-12848
,
NASA Tech Briefs (ISSN 0145-319X); 2; 2; P. 3
Format:
text
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