Turbine unit for hydraulic installation
AssigneeALSTOM Renewable Technologies
InventorsHai Trieu PHAN, Fabrice LOISEAU, Antoine BOMBENGER
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Abstract
A turbine unit for a hydraulic installation, and more in particular it deals with the hub of the turbine unit. The present invention proposes to provide means for adjusting a gap extent formed between the hub and the inner edge of the blade, this way dramatically increasing the performance of the turbine.
Claims15
A hub of a turbine for a hydroelectric installation, the hub defining a longitudinal axis H and being configured to be connected to at least a blade, said hub comprising at least a raised area and/or a hollow area, said raised area or hollow area being locally formed in proximity of an inner edge of the at least one blade, wherein the hub further comprises adjustment means configured to regulate the extent of a gap formed between said raised area or hollow area and the inner edge of the blade.
A turbine unit for a hydroelectric installation, comprising:
- a hub defining a longitudinal axis H and being configured to be connected to at least a blade, said hub comprising at least a raised area and/or a hollow area, said raised area or hollow area being locally formed in proximity of an inner edge of the at least one blade, wherein the hub further comprises adjustment means configured to regulate the extent of a gap formed between said raised area or hollow area and the inner edge of the blade and one or more blades connected to said hub.
Dependencies are inferred from the claim text.