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US 2010/0133841 A1Published application
Hydroelectric power plant
AssigneeVoith Patent GmbH
InventorManfred Stummer
Life of this patent
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Abstract
The invention relates to a hydropower plant having a flow pathway, which has an upper water level and a lower water level; having two turbines, which are connected in series in the flow pathway, each comprising a rotor, a housing, and a draft tube. The invention is characterized by the following features: the first machine viewed in the flow direction is a radial or semi-axial or axial flow turbine; the second machine viewed in the flow direction is a radial, semi-axial, or axial flow turbine.
Claims19
A hydropower plant, comprising:
- a flow pathway which has an upper water level and a lower water level;
- a Francis turbine and a Kaplan turbine which are connected in series in the flow pathway, each said turbine comprising a rotor, a housing and a draft tube;
- the Francis turbine viewed in the flow direction being a radial or semi-axial or axial flow turbine;
- the Kaplan turbine viewed in the flow direction being a radial, semi-axial, or axial flow turbine, the Kaplan turbine being downstream of the Francis turbine in the flow direction.
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Dependencies are inferred from the claim text.