CENTRIFUGAL FAN
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United States of America Patent
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Issued Date -
Dec 10, 2015
app pub date -
Dec 18, 2013
filing date -
Dec 21, 2012
priority date (Note) -
Abandoned
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Abstract
A centrifugal fan includes a hub, a plurality of blades, and a shroud. The blades each have a curved part that is curved to incline toward a side on which air impinges when a connected end connected to an inwardly protruding portion of the shroud moves in a rotating direction of the centrifugal fan. The hub includes a hub-side diffuser ring that protrudes radially outward of the blades. The shroud includes a shroud-side diffuser ring that protrudes radially outward of the blades.
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