Adjustable air/gas shutter valve
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United States of America Patent
Stats
-
Aug 3, 1999
Grant Date -
N/A
app pub date -
Feb 26, 1998
filing date -
Feb 26, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An air to gas mixing valve is provided for fireplaces especially those having sealed combustion chambers as employed in direct vent fireplaces. The novel mixing valve comprises a channel shaped shutter which mounts on and is linearly slidable over a window or windows made a part of the gas mixing pipe which connects to the fireplace burner. An adjustment rod is rotatably coupled to an actuating arm on the channel shaped shutter and extends through at least one sealed panel and has a rotatable nut or screw for linearly moving the shutters over the windows from a remote position.
First Claim
Family
International Classification(s)
Cited Art Landscape
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