Patent 8174141 was granted and assigned to Thingap on May, 2012 by the United States Patent and Trademark Office.
A turbo generator having a turbine configured to be driven by exhaust gas from an internal combustion engine, and an electric generator having a rotor coupled to the turbine and a stator having an ironless coil arranged with the rotor to generate electric power when the rotor is rotated by the turbine.