Extended Length Cutoff Blower
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United States of America Patent
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N/A
Issued Date -
Dec 18, 2008
app pub date -
Apr 8, 2008
filing date -
Jun 14, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A blower assembly including a blower housing having a side wall with a first portion extending from the initial cutoff through an angle of at least 45.degree. or more, the first portion having a radius which is substantially constant or which increases at a relatively small rate. The side wall additionally includes a second portion, extending from the end of the first portion to the outlet, which has an increasing radius which is increasing at a larger rate and has a rate of increase that is also increasing with housing angle. The shape of the side wall allows a reduction in the overall size of the blower housing for a given size of impeller.
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