Blower
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United States of America Patent
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Mar 9, 2021
Grant Date -
Aug 10, 2017
app pub date -
Apr 25, 2017
filing date -
Nov 19, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A blower includes a housing including an inlet and an outlet, a stationary component provided to the housing, an impeller positioned between the inlet of the housing and the stationary component, a shield portion including an outer edge substantially aligning with or extending beyond an outer edge of the impeller, and a motor adapted to drive the impeller. The housing and the stationary component cooperate to define a volute that directs air towards the outlet, and the housing includes a separating wall constructed and arranged to divide the volute into a high speed airpath region and a low speed airpath region. The outer edge of the shield portion and the separating wall define a gap between the high speed airpath region and the low speed airpath region.
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