Fan shroud and blower device
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United States of America Patent
Stats
-
Feb 14, 2023
Grant Date -
Aug 4, 2022
app pub date -
Jan 27, 2022
filing date -
Feb 3, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fan shroud and a blower device are provided. The fan shroud includes a shroud wall surface and a plurality of ventilation openings. The shroud wall surface extends around a fan along a radial direction orthogonal to a rotation axis. The plurality of ventilation openings are formed through the shroud wall surface in a thickness direction of the shroud wall surface to allow passing of wind generated by a fan motor. A width of a wall surface side opening on a downstream side of the wind in the ventilation opening is smaller than a width of a lateral wall side opening on an upstream side of the wind in the ventilation opening.
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