Economizer having source-specific damper blade assemblies and heating, ventilation and air conditioning unit employing the same
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United States of America Patent
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Feb 20, 2018
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N/A
app pub date -
Nov 30, 2016
filing date -
Aug 12, 2011
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Abstract
An economizer having a first air inlet, a second air inlet and an air outlet, a method of operating an economizer and a heating, ventilation and air conditioning (HVAC) system employing the economizer. In one embodiment, the economizer includes: (1) a first damper blade assembly in fluid communication with the first air inlet and the air outlet and having a first plurality of damper blades configured to move in parallel and (2) a second damper blade assembly in fluid communication with the second air inlet and the air outlet and having a second plurality of damper blades configured to move in opposition.
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