Heat exchanger
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United States of America Patent
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Apr 7, 2020
Grant Date -
Apr 26, 2018
app pub date -
Dec 12, 2017
filing date -
Apr 23, 2012
priority date (Note) -
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Abstract
A heat exchanger is adapted to be used in a vapor compression system. The tube bundle includes a plurality of heat transfer tubes in a falling film region and in an accumulating region. The heat transfer tubes in the falling film region are arranged in a plurality of columns extending parallel to each other. The heat transfer tubes in the accumulating region are arranged in a plurality of rows extending parallel to each other. A trough part includes a plurality of trough sections disposed respectively below the rows of the heat transfer tubes in the accumulating region to accumulate the refrigerant therein. A ratio between a number of rows of the heat transfer tubes in the accumulating region and a number of the heat transfer tubes in each of the columns in the falling film region is about 1:9 to about 2:8.
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