Outdoor unit for an air-conditioning apparatus
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United States of America Patent
Stats
-
Jul 14, 2020
Grant Date -
Oct 31, 2019
app pub date -
Jun 7, 2016
filing date -
Jun 7, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An outdoor unit for an air-conditioning apparatus is configured to suppress damage on hairpin portions at an end portion of an outdoor heat exchanger due to freezing. The outdoor unit includes: an air passage defined inside a casing; an outdoor heat exchanger, which is installed in the air passage, and includes a plurality of heat exchange portions; an outdoor unit fan configured to introduce air into the outdoor heat exchanger; and an air passage blocking object installed in the air passage, and configured to block air flow. The outdoor heat exchanger includes: a heat transfer tube configured to allow refrigerant to pass therein; and a fin connected to the heat transfer tube. The heat transfer tube includes a hairpin portion, which is bent and folded back and to which no fin is connected. The air passage blocking object is configured to cover the hairpin portion.
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