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US 10,995,727 B2Granted
Power generation plant having a Kaplan, bulb, diagonal flow or propeller turbine
AssigneeANDRITZ HYDRO GmbH
InventorsErich Wurm, Bernd Nennemann
Life of this patent
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Abstract
A power generation plant including a turbine (1) of a Kaplan, bulb, diagonal flow or propeller turbine type, a water intake (4) and a water run-off (5). Additional vanes vane (8) are deployable into a water passage formed between the water intake (4) and the housing of the turbine. Eddy flows formed in the water intake (4) are reduced by the additional vanes. The vanes allow the turbine operating range to be extended to cover smaller outputs.
Claims14
A power generation plant comprising:
- a water turbine of a Kaplan, a bulb, a diagonal flow or a propeller turbine type;
- a water intake with at least one opening;
- a water run-off;
- and
- at least one additional vane configured to be inserted into the at least one opening of the water intake, wherein the at least one additional vane is configured to be pushed into the at least one opening.
2 more elements
A power generation plant comprising:
- a water turbine including a water inlet and a water outlet;
- a water intake configured to direct water into the inlet of the water turbine, the water intake including a housing defining a water inlet passage, and inlet guide vanes within the housing and arranged around the inlet to the water turbine;
- and
- additional vanes configured to move between a first operational position out of the water inlet passage and a second operational position in the water inlet passage, wherein the additional inlet vanes move through openings in a housing of the water turbine while moving between the first and second operational positions.
1 more element
A water turbine assembly comprising:
- a rotor with runners;
- a head cover upstream of the rotor;
- a water intake housing surrounding the rotor and the head cover;
- a water flow path between the water intake housing and the head cover;
- guide vanes spanning the water flow path and mounted to the water intake housing and/or the head cover;
- and
- additional vanes mounted to the head cover are downstream of the guide vanes and upstream of the runners, wherein the additional vanes are configured to be deployed into the water flow path and retracted from the water flow path.
4 more elements
Dependencies are inferred from the claim text.