Hydropowered turbine system

摘要

A hydropowered turbine system has a hollow base member with an inlet fluid conduit at its upper end in contact with retained water under pressure. A flared fluid outlet is located above the inlet fluid conduit. A buoyant needle valve is slidably mounted in the base member to open or close fluid flow through the fluid outlet. A turbine runner is mounted over the fluid outlet and includes a vertical shaft connected to a generator. A plurality of turbine blades are on the lower end of the shaft adjacent the fluid outlet. The upper edges of the blades are parabolic in shape and dwell in a parabolic plane. The blades are partially submerged in the tailrace of the system to enhance air entrainment of the discharged water and to simultaneously mix the discharged fluid. Extendible blade elements are operatively connected to the blades to permit selective change in their operating shape.