US Patent Issued to Honeywell International on May 19 for "Root cause analytics of HVAC faults" (Chinese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,355, issued on May 19, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Root cause analytics of HVAC faults" was invented by Xiaoli Wang (Beijing) and Chunfu Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A HVAC system and method for determining which fault of a group of faults identifies a likely root cause problem in the system. Some example methods may include a controller identifying the root cause based at least partially on which fault is associated with a HVAC device (e.g., boiler, chiller, VAV valve, etc.) that is farthest upstream along a shared fluid flow path or fluid flow network of the HV AC system. In some ex...