Heat exchanger
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United States of America Patent
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-
Feb 27, 2024
Grant Date -
Jun 1, 2023
app pub date -
Jan 13, 2023
filing date -
Jul 17, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A heat exchanger includes: refrigerant channels that extend in a first direction, are disposed along a second direction intersecting with the first direction, and are disposed along a third direction intersecting with the first direction and the second direction; and heat transfer tubes defining the refrigerant channels. One or both of a size of an outer edge and a size of an inner edge of the heat transfer tubes are different between a first position and a second position in the first direction. Outer surfaces of the heat transfer tubes each include a protrusion that protrudes in a direction intersecting with the first direction, and is in contact with an outer surface of one of the heat transfer tubes adjacent thereto in the second direction. The protrusion includes a concave portion extending along the third direction.
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