Patent ID: 8207625

Claim:
An improved wind driven electrical energy generating arrangement comprising, in combination: an elongated outer tubular tower having an open top end, a closed bottom end, an inner surface and an outer surface, and having an axis along the elongated length thereof, said elongated outer tubular tower positionable with said axis in a vertical orientation; an elongated internal tubular tower positioned in said interior volume of said outer tubular tower and said elongated internal tubular tower substantially concentrically mounted in said elongated outer tubular tower about said axis, and said elongated internal tubular tower having an outer surface radially spaced inwardly from said inner surface of said elongated outer tubular tower to define a first air flow passage therebetween, and an inner surface, and said elongated internal tubular tower having an open top end in regions adjacent said open top end of said elongated outer tubular tower, and a bottom end in regions adjacent to said bottom end of said elongated outer tubular tower, and said inner surface of said elongated inner tubular tower defining a second airflow passage; an air inlet duct member mounted on said top end of said inner tubular tower for pivotal rotation with respect to said elongated inner tubular tower for directing air into said second air flow passage, to flow axially downwardly therein; a generally conical member in said second airflow passage in regions adjacent and spaced from said bottom end of said inner tower and aligned substantially co-axially along said axis and having a small upper end and a large bottom end to define a venturi section having a venturi throat portion of said inner tower an air driven impulse impeller turbine mounted for rotational movement in said elongated inner tubular tower at said venturi throat and said impulse impeller turbine rotated by airflow in said second airflow passage and rotating an output shaft; a gear box having an input gear shaft connected to said output shaft of said impulse turbine, and an output gear shaft; an electric generator connected to said output gear shaft of said gear box and adapted to be driven thereby for generating electrical energy.