ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,641, issued on Sept. 29, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.).
"Preventing nuisance trips of ground-fault circuit interruptors electrically coupled to climate control systems" was invented by John Hughes (Flint, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of an outdoor unit of a climate control system includes a refrigerant compressor, an electric motor configured to drive the refrigerant compressor, and a variable frequency drive (VFD) electrically coupled to the electric motor and configured to be electrically coupled to a ground-fault circuit interrupter (GFCI). The GFCI is electrically couped to an el...