US Patent Issued to Tyco Fire & Security on Oct. 27 for "Mechanical-cooling, free-cooling, and hybrid-cooling operation of a chiller" (Pennsylvania Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,835, issued on Oct. 27, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).

"Mechanical-cooling, free-cooling, and hybrid-cooling operation of a chiller" was invented by William L. Kopko (Jacobus, Pa.) and Jing Li (Red Lion, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chiller system includes a mechanical-cooling circuit configured to circulate a refrigerant through an evaporator of the mechanical-cooling circuit, where the evaporator is configured to cool a conditioning fluid with the refrigerant. The chiller system also includes a free-cooling circuit configured to circulate the refrigerant through a heat excha...