US Patent Issued to Lennox Industries on June 23 for "System and method for evacuating a refrigerant leak in an HVAC system" (Indian Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,191, issued on June 23, was assigned to Lennox Industries Inc. (Richardson, Texas).

"System and method for evacuating a refrigerant leak in an HVAC system" was invented by Vickey Bhardwaj (Kancheepuram, India), Sangameshwaran Sadhasivam (Kanchipuram, India) and Patric Ananda Balan Thobias (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating an HVAC system includes receiving a first loss of charge parameter and determining that a first refrigerant circuit includes a refrigerant leak based upon a comparison of a loss of charge threshold to the first loss of charge parameter. The method includes operating the HVAC syste...