US Patent 9709036 Vehicle mounted electrical generator

A display which can be mounted on the outside of a vehicle includes a generator to generate electricity to power accessories such as a light for illuminating the display. The display may comprise a windsock which is mounted on a support ring surrounding a central hub in which the turbine mounted. The turbine includes an impeller extending on an inlet end of the central hub and a light source electrically connected to the generator and mounted on the central hub and projecting in an opposite direction from the impeller. The windsock is mounted on the support ring in surrounding relationship to the light source. The vehicle mounted wind turbine may power other electronic devices or accessories.