US Patent 11427326 Automated aircraft tray table disinfecting system using ultra-violet light

A sanitation assembly attaches over a surface inside a tray table of an aircraft. A source of UV radiation is mounted to the assembly and configured to direct UVC radiation to the tray table at a predetermined dosage, wherein the assembly uses for disinfection of the aircraft tray table. The embodiments may use UV light sources and/or a disinfection unit powered by a fuel cell or other external power source.