Method for air filtration monitoring in telecommunications equipment racks
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United States of America Patent
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Issued Date -
Mar 24, 2005
app pub date -
Sep 24, 2003
filing date -
Sep 24, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for automatically monitoring air filters in a telecommunication equipment rack is disclosed. One or more pressure switches are used to detect a pressure differential between air exiting the filter and a reference air pressure, such as the ambient air pressure in a telecommunications equipment facility. When a filter becomes contaminated, the pressure of the air exiting the filter will drop relative to the reference air pressure. When the pressure drop relative to the reference air pressure crosses a threshold, a signal indicative of the need to replace or clean the filter in the equipment rack is generated.
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