ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,214, issued on June 23, was assigned to GPRE IP LLC (St. Louis).
"Vortex metal insertion furnace control system" was invented by John M. Peterman (Troy, Mo.) and Mark A. Roberts (St. Charles, Mo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vortex metal insertion system for a metal recycling furnace, the systemhaving a molten metal flow cycling through the furnace and through a vortex bowl in the system. The system includes one or more process sensors in the furnace, an automated molten metal flow adjustment device, and a computer controller. The computer controller reads the sensor(s) and adjusts the adjustment device to control the flow of mol...