Gas blower and method utilizing recirculation openings
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United States of America Patent
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-
Aug 8, 2000
Grant Date -
N/A
app pub date -
Aug 12, 1998
filing date -
Aug 12, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A gas blower and method according to which the gas is introduced into the inlet of a housing where it is pressurized by rotating impellers. The pressurized gas is directed to a discharge plenum from which a first portion of the gas is discharged. The remaining portion of the gas is passed from the discharge plenum through a plurality of openings to a recirculating chamber for recirculating the gas back to the housing. The gas is passed from the recirculating chamber back to the housing through two radially-spaced sets of angularly-spaced openings formed in the housing.
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