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Reverberatory screen for a radiant burner

United States Patent

5,989,013
November 23, 1999
View the Complete Patent at the US Patent & Trademark Office
The present invention relates to porous mat gas fired radiant burner panels utilizing improved reverberatory screens. The purpose of these screens is to boost the overall radiant output of the burner relative to a burner using no screen and the same fuel-air flow rates. In one embodiment, the reverberatory screen is fabricated from ceramic composite material, which can withstand higher operating temperatures than its metallic equivalent. In another embodiment the reverberatory screen is corrugated. The corrugations add stiffness which helps to resist creep and thermally induced distortions due to temperature or thermal expansion coefficient differences. As an added benefit, it has been unexpectedly discovered that the corrugations further increase the radiant efficiency of the burner. In a preferred embodiment, the reverberatory screen is both corrugated and made from ceramic composite material.
Gray; Paul E. (North East, MD)
AlliedSignal Composites Inc. ( (Lanxide Technology Company, LP (), Lanxide Technology Company, LP
08/ 789,236
January 28, 1997
The Government of the United States of America has rights in this invention pursuant to Contract No. DE-FC02-92CE40999 awarded by the U.S. Department of Energy.