US Patent Issued to Copeland on Dec. 16 for "Systems, controllers, and methods for controlling a CO 2 refrigeration system" (Ohio Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,157, issued on Dec. 16, was assigned to Copeland LP (Sidney, Ohio).

"Systems, controllers, and methods for controlling a CO 2 refrigeration system" was invented by Daqing Li (Dayton, Ohio) and Don R. Wiesmann (Troy, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controller for a CO2 refrigeration system includes at least one input configured to receive an inlet air temperature from a first temperature sensor, an exit temperature from a second temperature sensor and an exit pressure from a pressure sensor, at least one output for controlling the valve and the fan, a memory, and a processor. The processor is configured by instructions stored in...