Patent ID: 7112034
Filing Date: 2006-09-26
Classification: F03D,Y02E

Abstract:
1. A wind turbine assembly comprising: a venturi passage extending in a flow direction from a front opening at a front of the assembly to a rear opening at a rear of the assembly, the venturi passage being defined between confronting airfoil surfaces of respective airfoil assemblies; a rotor including a shaft supported for rotation in proximity to the venturi passage about a longitudinal axis of the rotor which lies substantially perpendicular to the flow direction of the venturi passage and a plurality of blades extending radially from the shaft for rotation therewith to define a sweep area occupied by the blades as the rotor is rotated about the longitudinal axis of the rotor; a peripheral wall which extends at least 180 degrees about the rotor in a generally circumferential direction from the front of the assembly at an outer periphery of the sweep area towards the rear of the assembly to partially surround and define an enclosed portion of the sweep area; and a through port communicating through the peripheral wall between the enclosed portion of the sweep area near the front of the assembly and the venturi passage.