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US 10,767,625 B2Granted
Wind turbine rotor blade
AssigneeWobben Properties GmbH
InventorsMohammad Kamruzzaman, Christian Frank Napierala, Heiner Sweers
Life of this patent
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Abstract
A wind turbine rotor blade including a suction side, a pressure side, a blunt trailing edge, and a trailing edge enlargement unit arranged at the blunt trailing edge and has at least two stages. The trailing edge enlargement unit has a first portion and a second portion, where a transition from the blunt trailing edge to the first portion is substantially non-perpendicular and a transition between the first and second portions is also non-perpendicular.
Claims3
A wind turbine rotor blade, comprising:
- a suction side,
- a pressure side,
- a blunt trailing edge,
- a rotor blade root region,
- a rotor blade tip, and
- a trailing edge enlargement unit arranged at the blunt trailing edge and has at least two stages,
- wherein the trailing edge enlargement unit has a first end, a second end, a first portion and a second portion,
- wherein a transition from the blunt trailing edge to the first portion at the first end of the trailing edge enlargement unit is substantially non-perpendicular and a transition between the first and second portions is non-perpendicular,
- wherein the blunt trailing edge and the trailing edge enlargement unit are provided in the rotor blade root region, and
- wherein the second end of the trailing edge enlargement unit is blunt.
7 more elements
A wind turbine, comprising:
- at least one wind turbine rotor blade including:
- a suction side,
- a pressure side,
- a blunt trailing edge,
- a rotor blade root region,
- a rotor blade tip, and
- a trailing edge enlargement unit arranged at the blunt trailing edge and has at least two stages,
- wherein the trailing edge enlargement unit has a first end, a second end, a first portion and a second portion,
- wherein a transition from the blunt trailing edge to the first portion at the first end of the trailing edge enlargement unit is substantially non-perpendicular and a transition between the first and second portions is non-perpendicular,
- wherein the blunt trailing edge and the trailing edge enlargement unit are provided in the rotor blade root region, and
- wherein the second end of the trailing edge enlargement unit is blunt.
8 more elements
Dependencies are inferred from the claim text.