Gaetano T Trigilio: Wind and solar electric generating plant. Shlesinger Arkwright Garvey & Fado, November 5, 1985: US04551631 (95 worldwide citation)

A wind energy collection and conversion system includes a plurality of turbine assemblies. The turbine assemblies rotate on a common axis transverse of a base. A plurality of shutter assemblies are disposed in a circular orientation around each of said turbine assembly and are independently operable ...