ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,814, issued on Nov. 4, was assigned to Honeywell International Inc. (Charlotte, N.C.).
"Low NOx gas burner with cooled flue gas recycle" was invented by Kurt E. Kraus (Tulsa, Okla.), Dusty Ray Richmond (Cleveland, Okla.), Mohammad Reza Mostofi-Ashtiani (Naperville, Ill.) and Zhili Qin (Tulsa, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A burner and methods of using the burner. The burner produces a flame from combustion air and fuel gas. Flue gas, also produced, can be withdrawn and recycled to the burner. A cooling or condition gas, such as ambient air, may be mixed with the flue gas to reduce its temperature. The burner may also utilize a ...