Defrostable heat exchanging apparatus and associated method
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United States of America Patent
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Aug 25, 2015
Grant Date -
Feb 7, 2013
app pub date -
Aug 5, 2011
filing date -
Aug 5, 2011
priority date (Note) -
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Abstract
A heat exchanging apparatus and an associated method are provided so as to permit a heat exchanger to be defrosted without being taken out of service. A defrostable heat exchanging apparatus includes a heat exchanger configured to cool gas flowing there through by heating a liquid also passing there through. The defrostable heat exchanging apparatus also includes a blockage positionable upstream of the heat exchanger with respect to the liquid so as to reduce flow of the liquid through a portion of the heat exchanger aligned with the blockage relative to the flow of the liquid through other portions of the heat exchanger. The defrostable heat exchanging apparatus may also include a positioning mechanism for moving the blockage relative to the heat exchanger.
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