IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0775975
(2007-07-11)
|
등록번호 |
US-7832985
(2011-01-16)
|
우선권정보 |
DE-10 2006 053 712(2006-11-15) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Vidas Arrett & Steinkraus, P.A.
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
4 |
초록
▼
The present invention is related to a rotor blade for a wind energy plant, with a blade root, with a first longitudinal portion starting from the blade root, with a second longitudinal portion, following up the first longitudinal portion and running into a blade tip, with a first surface, facing a t
The present invention is related to a rotor blade for a wind energy plant, with a blade root, with a first longitudinal portion starting from the blade root, with a second longitudinal portion, following up the first longitudinal portion and running into a blade tip, with a first surface, facing a tower of the wind energy plant in its assembled state, and a second surface, facing away from the tower of the wind energy plant in its assembled state, wherein an imaginary reference plane is spanned up by a rotation, taking place in the operation of the rotor blade, of the longitudinal axis of the first longitudinal portion around the rotational axis of a rotor of the wind energy plant carrying the rotor blade which prevents collisions of the blade tip with the tower of the wind energy plant.
대표청구항
▼
What is claimed is: 1. A rotor blade (1) for a wind energy plant (5), with a blade root (1a), with a first longitudinal portion (I) starting from the blade root (1a), with a second longitudinal portion (II), following up the first longitudinal portion (I) and running into a blade tip (2), with a fi
What is claimed is: 1. A rotor blade (1) for a wind energy plant (5), with a blade root (1a), with a first longitudinal portion (I) starting from the blade root (1a), with a second longitudinal portion (II), following up the first longitudinal portion (I) and running into a blade tip (2), with a first surface (S1), facing a tower (6) of the wind energy plant (5) in the assembled state, and a second surface (S2), facing away from the tower (6) of the wind energy plant (5) in the assembled state, wherein an imaginary reference plane (B) is spanned up by a rotation, taking place in the operation of the rotor blade (1), of the longitudinal axis (3) of the first longitudinal portion (I) around the rotational axis (8) of a rotor (9) of the wind energy plant (5) carrying the rotor blade (1), characterized in that the first surface (S1) runs along an imaginary cone plane (K) in the region of the second longitudinal portion (II), which is spanned up by a rotation, taking place in the operation, of the first surface (S1) in the region of the second longitudinal portion (II) around the rotational axis (8) of a rotor (9) carrying the rotor blade (1), wherein the cone plane (K) intersects the reference plane (B) in an angle of (α), the distance (A) between the first surface (S1) and the reference plane (B) increases linearly in the direction towards the blade tip (2) along the second longitudinal portion (II), and the second longitudinal portion (II) is longer than the first longitudinal portion (I). 2. A rotor blade according to claim 1, characterized in that the angle (α) in which the cone plane (K) intersects the reference plane (B) is an acute angle. 3. A rotor blade according to claim 1, characterized in that the length of the second longitudinal portion (II) amounts to more than 60% of the overall length of the rotor blade (1). 4. A rotor blade according to claim 1, characterized in that the length of the second longitudinal portion (II) amounts to about 80% of the overall length of the rotor blade (1). 5. A rotor blade according to claim 4, characterized in that the length of the first longitudinal portion (I) amounts to about 20% of the overall length of the rotor blade (1). 6. A rotor blade according to claim 1, characterized in that the intersection line (4) between the cone plane (K) and the reference plane (B), seen in the longitudinal extension of the rotor blade (1), is situated in the half of the rotor blade (1) facing the blade root (1a). 7. A rotor blade (1) for a wind energy plant (5), with a blade root (la), with a first longitudinal portion (I) starting from the blade root (1a), with a second longitudinal portion (H), following up the first longitudinal portion (I) and running into a blade tip (2), with a first surface (S1), facing a tower (6) of the wind energy plant (5) in the assembled state, and a second surface (S2), facing away from the tower (6) of the wind energy plant (5) in the assembled state, wherein an imaging reference plane (B) is spanned up by a rotation, taking place in the operation of the rotor blade (1), of the longitudinal axis (3) of the first longitudinal portion (I) around the rotational axis (8) of a rotor 9 of the wind energy r blade 1 characterized in that the first surface (S1) runs along an imaginary cone plane (K) in the region of the second longitudinal portion (II), which is spanned up by a rotation, taking place in the operation, of the first surface (S1) in the region of the second longitudinal portion (II) around the rotational axis (8) of a rotor (9) carrying the rotor blade (1), wherein the cone plane (K) intersects the reference plane (B) in an angle of (α), the distance (A) between the first surface (S1) and the reference plane (B) increases more in the region of the blade tip (2) than in the region of the rest of the second longitudinal portion (II)), and the second longitudinal portion (II) is longer than the first longitudinal portion (I). 8. A rotor blade according to claim 7, characterized in that the length of the blade tip (2) amounts to about 5% of the overall length of the rotor blade (1). 9. A rotor blade (1) for a wind energy plant (5), with a blade root (1a), with a first longitudinal portion (I) starting from the blade root (1a), with a second longitudinal portion (II), following up the first longitudinal portion (I) and running into a blade tip (2), with a first surface (S1), facing a tower (6) of the wind energy plant (5) in the assembled state, and a second surface (S2), facing away from the tower (6) of the wind energy plant (5) in the assembled state, wherein an imaginary reference plane (B) is spanned up by a rotation, taking place in the operation of the rotor blade (1), of the longitudinal axis (3) of the first longitudinal portion (I) around the rotational axis (8) of a rotor (9) of the wind energy plant (5) carrying the rotor blade (1), characterized in that first surface (S1)runs along an imaginary cone plane (K) in the region of the second longitudinal portion (II), which is spanned up by a rotation, taking place in the operation, of the first surface (S1) in the region of the second longitudinal portion (II) around the rotational axis (8) of a rotor (9) carrying the rotor blade (1), wherein the cone plane (K) intersects the reference plane (B) in an angle of (α), the distance (A) between the first surface (S1) and the reference plane (B) increases linearly in the direction towards the blade tip (2) along the second longitudinal portion (II), and the second longitudinal portion (II) is longer than the first longitudinal portion (I) where the angle between the longitudinal axis (3) of the first longitudinal portion (I) and the rotational axis (8) of a rotor (9) carrying the rotor blade (1) in the operation amounts to 90°. 10. A wind energy plant (5) having a tower (6) and a nacelle (7) provided on the upper end of the tower (6), with a rotor (9), rotatably mounted around a rotational axis (8) and having at least one rotor hub (10), wherein at least one rotor blade (1) is arranged on the rotor hub (10), the rotor blade having a blade root (1a), with a first longitudinal portion (I) starting from the blade root (1a), with a second longitudinal portion (II), following up the first longitudinal portion (I) and running into a blade tip (2), with a first surface (S1), facing a tower (6) of the wind energy plant (5) in the assembled state, and a second surface (S2), facing away from the tower (6) of the wind energy plant (5) in the assembled state, wherein an imaginary reference plane (B) is spanned up by a rotation, taking place in the operation of the rotor blade (1), of the longitudinal axis (3) of the first longitudinal portion (I) around the rotational axis (8) of a rotor (9) of the wind energy plant (5) carrying the rotor blade (1), characterized in that the first surface (S1) runs along an imaginary cone plane (K) in the region of the second longitudinal portion (II), which is spanned up by a rotation, taking place in the operation, of the first surface (S1) in the region of the second longitudinal portion (II) around the rotational axis (8) of a rotor (9) carrying the rotor blade (1), wherein the cone plane (K) intersects the reference plane (B) in an angle of (α), the distance (A) between the first surface (S1) and the reference plane (B) increases linearly in the direction towards the blade tip (2) along the second longitudinal portion (H), and the second longitudinal portion (II) is longer than the first longitudinal portion (I). 11. A wind energy plant according to claim 10, characterized in that the rotational axis (8) of the rotor (9) is at an angle (β) with respect to the horizontal (11).
※ AI-Helper는 부적절한 답변을 할 수 있습니다.