HEAT EXCHANGER
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United States of America Patent
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Issued Date -
Jan 7, 2021
app pub date -
Feb 22, 2019
filing date -
Mar 1, 2018
priority date (Note) -
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Abstract
A heat exchanger includes: heat transfer units that each comprise heat transfer channel portions and auxiliary heat transfer portions. The heat transfer channel portions and the auxiliary heat transfer portions extend in a first direction and are disposed in a second direction that intersects with or is perpendicular to the first direction. The heat transfer units are disposed in a third direction that is different from both of the first direction and the second direction. The heat transfer units each has an airflow-upstream region and an airflow-downstream region in the second direction. When the heat exchanger is used as an evaporator, the heat exchanger causes a refrigerant to flow into a heat transfer channel portion disposed in the airflow-upstream region, and then causes the refrigerant to flow out to a heat transfer channel portion disposed in the airflow-downstream region.
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