Filter retention system
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United States of America Patent
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Jan 31, 2012
Grant Date -
Aug 5, 2010
app pub date -
Jan 30, 2009
filing date -
Jan 30, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Embodiments of the present invention include a filter latching device for use in a filtering system that provides filtered intake air for a power generation facility. In some embodiments, a filter latch is provided that includes a hinge coupled to the filter frame and an S-shaped retaining plate rotatably coupled to the hinge. In some embodiments, the S-shaped retaining plate provides an over-center action mechanism that locks the retaining plate in place against a sealing flange and a camming surface that provides gradually increasing pressure on the sealing flange as the latch is engaged.
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