Patent ID: 6768218
Filing Date: 2004-07-27
Classification: F03B,F05B,Y02E

Abstract:
A small hydroelectric power generator comprising:a main case with a fluid path, a hydraulic turbine which is arranged in said fluid pathway and turns as a predetermined flow of a fluid passes by, and a rotator connected to said hydraulic turbine to rotate together with said hydraulic turbine, said rotator acting as a rotor portion opposed to a stator portion, so that power is generated by rotating said rotor portion relative to said stator portion as said fluid passes by; wherein a plurality of ejecting openings are provided in said fluid pathway outside the rotational path of said hydraulic turbine for reducing an area of a flow of said fluid and for ejecting said fluid; said hydraulic turbine has a rotational center portion and blade members which are hit by said fluid ejected from said ejecting openings, said blade members being formed such that an inner peripheral end portion is joined to said rotational center portion and outer peripheral point portions are extended toward the vicinity of said ejecting openings; and each of said outer peripheral point portions of said blade members is formed in an edge-shape.