ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,816, issued on Dec. 9, was assigned to Camus Hydronics Ltd. (Mississauga, Canada).

"High turndown combustion system and method" was invented by Payam Tavakoli (Toronto) and Bishavdeep Singh Brar (Brampton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Combustion systems configured to achieve, and methods of operating combustion systems to attain, enhanced high turndown operation, are disclosed herein. In one example embodiment, a combustion system includes an air flow tube, an air inlet damper, a gas train, a mixing chamber, a burner, and a blower. A flow of air via the tube into the mixing chamber is governed at least in part by a status of ...