Cetrifugal blower system and fuel cell incorporating same
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United States of America Patent
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Dec 6, 2016
Grant Date -
Jul 9, 2015
app pub date -
Mar 24, 2015
filing date -
Jun 24, 2011
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Abstract
A centrifugal blower system includes a series of blower units, each blower unit in the series comprising a casing having an axial inlet and a radial outlet, an impeller disposed within the casing for drawing a gaseous medium at a first pressure into the inlet and expelling gaseous medium at a second higher pressure through the outlet and a motor for driving the impeller; and, a duct connecting the outlet of at least one blower unit in the series with the inlet of at least one other blower unit in the series.
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