Slots in fan housing to reduce tonal noise
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United States of America Patent
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-
Feb 9, 2010
Grant Date -
N/A
app pub date -
Dec 14, 2006
filing date -
Dec 29, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fan housing is provided with slots formed in the enclosure of the fan housing. The slots are sized appropriately to filter the noise generated during operation of the cooling fan; e.g., tonal noise produced by the rotation of the blades. The slots may either be vented to the outside of the enclosure or closed off.
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