US Patent Issued to Lennox Industries on Feb. 24 for "Control scheme for automatic fan mode for use with variable refrigerant flow systems" (Texas, Tennessee Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,369, issued on Feb. 24, was assigned to Lennox Industries Inc. (Richardson, Texas).

"Control scheme for automatic fan mode for use with variable refrigerant flow systems" was invented by Ben Hobson (Dallas), Hongbing Lian (Plano, Texas), Der-Kai Hung (Dallas), Steve Mersh (Murfreesboro, Tenn.), Lin Lan (Colleyville, Texas) and Shahn Markarian (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An HVAC system includes a first indoor heat exchanger coupled to an outdoor heat exchanger and disposed in a first zone. A second indoor heat exchanger is coupled to the outdoor heat exchanger and disposed in a second zone. A compressor is coupled to the ou...