US Patent Issued to Fives North American Combustion on June 3 for "Regenerative burner system and method of use" (Ohio Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,521, issued on June 3, was assigned to Fives North American Combustion Inc. (Cleveland).

"Regenerative burner system and method of use" was invented by Thomas F. Robertson (Medina, Ohio) and Mark Hannum (Hudson, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method heats a furnace process chamber with the combustion of fuel gas. The method heats the process chamber in a preheat mode when the temperature of the process chamber is below the autoignition temperature of the fuel gas. The preheat mode forms preheated combustion air by directing the combustion air through a regenerative bed. A stream of the preheated combustion air is directed into ...