Heated make-up air system
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United States of America Patent
Stats
-
Oct 7, 2003
Grant Date -
Jul 11, 2002
app pub date -
Jan 11, 2001
filing date -
Jan 11, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heated make-up air system comprising a duct structure having a direct gas fired burner mounted therein. Adjacent the burner there is provided an opening for permitting air to flow there through. Mounted adjacent the opening one or more pivotally mounted panels or profile plates. The moveable panels or profile plates are spring-biased to assume a normally closed position. However, the moveable panels are moveable from the closed position to an open position in order to control air flow through the duct structure and past the burner.
First Claim
Family
International Classification(s)
Cited Art Landscape
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