Patent ID: 8952559
Filing Date: 2015-02-10
Classification: F03B,F05B,Y02E

Abstract:
1. A hydroelectric power plant comprising: a power unit having a turbine and a generator; a blade wheel of the turbine comprises a blade wheel ring and turbine blades; the blade wheel ring being enclosed by the generator and operating as a bearing for the generator; each turbine blade having a radial outer end and radial inner end, the turbine blades being curved in a downstream direction, the radial outer end of each turbine blade being fixed to an inner surface of the blade wheel ring, and the radial inner end of each turbine blade being spaced from radial inner ends of other of the turbine blades to form a central cross-flow opening; a cassette enclosing the power unit; a retaining box having an upstream water side and a water flow passage configured to permit water to flow from the upstream water side through the retaining box, the retaining box further including an aperture and a vertical shaft extending between the aperture and the water flow passage, the cassette being positioned in the vertical shaft and extending between the aperture and the water flow passage; and a distributor disposed upstream of the power unit, the distributor including a radial inlet and an axial outlet.