ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,911, issued on Jan. 13, was assigned to CARRIER Corp. (Palm Beach Gardens, Fla.).
"System and method for operating variable frequency drive using AC-power source in transport refrigeration unit" was invented by Samuel Venne (Brewerton, N.Y.), Parmesh Verma (Manlius, N.Y.) and Christopher Repice (Camillus, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system in a transport refrigeration unit (TRU) for driving a compressor and/or fan(s) of the TRU by a variable frequency drive (VFD) that is operable using AC power comprises the VFD operatively connected between the compressor and one or more ac power source such as an engine-generator assembly...