Patent ID: 8354758
Filing Date: 2013-01-15
Classification: F03B,F05B,Y02E

Abstract:
1. An electrical power generating apparatus for generating electrical power from flowing water comprising: a water inlet configured as a variable geometry Venturi through which a flow of water enters said power generating apparatus, a water inlet controller for controlling size of said water inlet in accordance with velocity of flow of water through said power generating apparatus, a water outlet through which said flow of water exits said power generating apparatus, a turbine housing between said water inlet and said water outlet, a turbine supported for rotation within said turbine housing, said turbine comprising: a plurality of turbine blades, a variable pitch mechanism associated with said plurality of turbine blades so that pitch of each turbine blade of said plurality of turbine blades is varied as said turbine rotates, an electrical generator coupled to said turbine.