US Patent Issued to Garrett Transportation I on Dec. 2 for "Method of operating a vehicle air-conditioning system having a centrifugal-type electric refrigerant compressor" (Indian Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,729, issued on Dec. 2, was assigned to Garrett Transportation I Inc. (Torrance, Calif.).

"Method of operating a vehicle air-conditioning system having a centrifugal-type electric refrigerant compressor" was invented by Ankur Nayak (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioning system for an electric vehicle includes a refrigerant E-compressor made up of a centrifugal compressor and an electric motor for driving the compressor. The housing of the compressor defines a coolant passage for liquid coolant. A coolant unit pumps liquid coolant through the coolant passage during normal AC system operation to cool the mot...