ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,945, issued on June 17, was assigned to Lennox Industries Inc. (Richardson, Texas).
"Leak sensors for a HVAC system to detect fuel leaks and methods of operation" was invented by Vijay Kumar Sathyamurthi (Frisco, Texas), Joe R. Powell (Rockwall, Texas), Darko Hadzidedic (Plano, Texas) and Ajith Kumar Cherumani (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a HVAC system is provided. The method includes transferring heat between airflow and a heating element in the duct system. The heating element is configured to receive a fuel and ignite the fuel to heat the heating element. The method includes measuring a change in at...