HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Jan 4, 2024
app pub date -
Feb 4, 2021
filing date -
Feb 4, 2021
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Abstract
A flat heat transfer tube in an outdoor heat exchanger includes a main body and a connecting portion. The flat heat transfer tube has a plurality of flow paths spaced from each other. The flat heat transfer tube has a first side portion and a second side portion spaced from each other by a width. The connecting portion connected to an opening of a header has an opening end face in which each of the flow paths opens. In the connecting portion, the first side portion is tapered toward the opening end face to be reduced in width. A first opening end of a first flow path located closest to the first side portion has a second flow path cross-sectional area smaller than a first flow path cross-sectional area of an opening end of each of other flow paths.
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