CENTRIFUGAL FAN
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Mar 1, 2024
filing date -
Mar 1, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A centrifugal fan includes a back plate, a shroud, and multiple blades. The multiple blades include first to third blades. The first to third blades include first to third leading edge parts and first to third trailing edge parts. First to third lengths are the length from the first to third leading edge parts to the first to third trailing edge parts. The second length is greater than the first length. The third length is greater than the second length. The numbers of the first to third blades are equal. The total number of the multiple blades is a multiple of 3, and is not less than 6. The first to third blades are arranged in a rotation direction in the order of the first blade, the second blade, and the third blade.
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