Safe state of an adaptable wind turbine blade
AssigneeSiemens Gamesa Renewable Energy A/S
InventorsPer Egedal, Mikkel Aggersbjerg Kristensen
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Abstract
Provided is an arrangement for controlling inflow and outflow of a fluid into and out of an expandable container arranged to change a state of an adaptable flow regulating device installed at a wind turbine rotor blade, the arrangement including: an inflow valve arranged to control fluid inflow into the container; an outflow valve arranged to control fluid outflow out of the container; wherein the inflow valve and the outflow valve are configured to prohibit fluid flow into and/or out of the container in case of safety stop event.
Claims17
An arrangement for controlling inflow and outflow of a fluid into and out of an expandable container arranged to change a state of an adaptable flow regulating device installed at a wind turbine rotor blade, the arrangement comprising:
- an inflow valve arranged to control fluid inflow into the container;
- an outflow valve arranged to control fluid outflow out of the container;
- wherein the inflow valve the outflow valve are configured to prohibit fluid flow into and/or out of the container in case of a safety stop event.
A method of controlling inflow and outflow of a fluid into and out of an expandable container arranged to change a state of an adaptable flow regulating device installed at a wind turbine rotor blade, the method comprising:
- controlling fluid inflow into the container by an inflow valve;
- controlling fluid outflow out of the container by an outflow valve;
- prohibiting fluid flow into and/or out of the container in case of a safety stop event.
Dependencies are inferred from the claim text.