Damper assembly
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United States of America Patent
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-
Nov 11, 2014
Grant Date -
Apr 4, 2013
app pub date -
Jan 24, 2012
filing date -
Oct 3, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A damper assembly for use in an industrial duct used for venting contaminated gasses having particulate matter suspended therein. The damper assembly removes precipitate from the duct that was deposited by the contaminated gas and particulate matter. The damper assembly includes an articulating member which is movable between an open position and a closed position along a first axial direction. Opposing blades are disposed on opposite sides of the articulating member. Each of the opposing blades define a distal edge and are pivotable about axes that are substantially parallel to one another. A link couples each blade to the articulating member such that the motion from the articulating member is transfer to the blades. Each link is coupled to the blade between the distal edge and the respective parallel axis.
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