ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,206, issued on Dec. 23, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).
"Low charge series chiller and free cooling" was invented by Thomas P. Carter (Olney, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes a process fluid loop configured to receive a process fluid, an internal fluid cooling loop configured to receive a cooling fluid, an air cooled heat exchanger configured to cool the cooling fluid, a vapor compression loop configured to receive a working fluid, and a condenser configured to place the cooling fluid and the work...