Blade connection of a rotor blade of a wind turbine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01D-005/30
F03D-001/06
F03D-080/30
출원번호
US-0823799
(2011-09-05)
등록번호
US-9631502
(2017-04-25)
우선권정보
DE-20 2010 013 535 U (2010-09-24)
국제출원번호
PCT/EP2011/004459
(2011-09-05)
§371/§102 date
20130315
(20130315)
국제공개번호
WO2012/038034
(2012-03-29)
발명자
/ 주소
Zeller, Lenz Simon
Werner, Markus
출원인 / 주소
Senvion SE
대리인 / 주소
Rankin, Hill & Clark LLP
인용정보
피인용 횟수 :
0인용 특허 :
6
초록▼
A fastening element (12) for arrangement in a receptacle of a rotor blade connection (17) of a rotor blade (5). The receptacle is formed on the rotor hub-side end of the, preferably flange-free, rotor blade (5). The fastening element (12) is arranged in the receptacle between an inner fastening side
A fastening element (12) for arrangement in a receptacle of a rotor blade connection (17) of a rotor blade (5). The receptacle is formed on the rotor hub-side end of the, preferably flange-free, rotor blade (5). The fastening element (12) is arranged in the receptacle between an inner fastening side and an outer fastening side of the rotor blade (5) and the fastening element (12) introduced into the receptacle (10) is connected to the inner fastening side and the outer fastening side of the rotor blade (5). The fastening element (12) is formed tapered in the longitudinal extension thereof. The fastening element (12) has a connector (15) transverse, particularly perpendicular, to the longitudinal extension for a lightning protection conductor (18) of the rotor blade (5).
대표청구항▼
1. A rotor blade of a wind turbine, the rotor blade comprising: a rotor blade connection (17) including a receptacle with an inner leg (11a) forming an inner fastening side and an outer leg (11b) forming an outer fastening side, wherein the inner leg (11a) defines a through hole (16) and the recepta
1. A rotor blade of a wind turbine, the rotor blade comprising: a rotor blade connection (17) including a receptacle with an inner leg (11a) forming an inner fastening side and an outer leg (11b) forming an outer fastening side, wherein the inner leg (11a) defines a through hole (16) and the receptacle is formed on a rotor hub-side end of the rotor blade (5);a lightning protection conductor (18) arranged on the inner fastening side of the rotor blade (5), anda fastening element (12) arranged in the receptacle between the inner fastening side and the outer fastening side of the rotor blade (5), where the fastening element (12) is connected to the inner fastening side and the out fastening side of the rotor blade (5), wherein the fastening element (12) includes a head side that faces an inside of the rotor blade (5),wherein the fastening element (12) extends in a tapering manner such that the fastening element (12) decreases in size when extending away from the rotor hub-side end of the rotor blade (5), wherein the outer leg (11b) extends away from the rotor hub side end of the rotor blade (5) so as to define a longitudinal direction thereof,wherein the fastening element (12) has a connector (15), the connector (15) is transverse to the longitudinal direction and is connected to an end of the lightning protection conductor (18) of the rotor blade (5),wherein the connector (15) is arranged at an inside of the rotor blade (5) and projects out of the head side of the fastening element (12),wherein the connector (15) is inserted in the through hole (16) of the inner leg (11a);wherein the fastening element (12) has a recess for receiving the connector (15) projecting out of the head side of the fastening element (12). 2. The rotor blade according to claim 1, wherein the fastening element (12) and the connector (15) are electrically conductive. 3. The rotor blade according to claim 1, wherein the connector (15) forms an electrically conductive connection between the lightning protection conductor (18) that is arranged on the inner fastening side of the rotor blade (5) and the fastening element (12) that is insulated with respect to the lightning protection conductor (18). 4. The rotor blade according to claim 1, wherein the connector (15) and the fastening element (12) are detachably connected together. 5. The rotor blade according to claim 1, wherein the fastening element (12) is bonded to the rotor blade (5) in the receptacle (10) of the rotor blade (5). 6. The rotor blade according to claim 1, wherein the receptacle (10) is ring-shaped,wherein the fastening element (12) is inserted in the ring-shaped receptacle (10) of the rotor blade connection (17),wherein several of the fastening elements (12) are arranged equidistantly in a ring-shape at the rotor blade connection (17),and wherein a distancing element is arranged between two of the fastening elements (12). 7. The rotor blade according to claim 1, wherein the fastening element (12) in the longitudinal direction has a borehole for the receptacle (10) of a bolt on a side, facing the rotor blade. 8. The rotor blade according to claim 1, wherein a ring is arranged on a side of the fastening element (12) facing the rotor hub. 9. The rotor blade according to claim 8, wherein the ring is a lightning protection ring. 10. The rotor blade according to claim 1, wherein the fastening element (12) and the connector (15) are composed of metal. 11. The rotor blade according to claim 10, wherein the fastening element (12) and the connector (15) are composed of steel. 12. The rotor blade according to claim 1, wherein the recess is a borehole. 13. The rotor blade according to claim 1, wherein the rotor blade (5) is flange-free. 14. The rotor blade according to claim 1, wherein the fastening element (12) defines a borehole that is perpendicular to the connector (15).
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이 특허에 인용된 특허 (6)
Covey James H. (Snohomish WA), Conductive bonding of composite structures.
Gougeon Meade A. (Bay City MI) Gougeon Jan C. (Bay City MI), Process for securing projecting studs in the ends of wood resin composite bodies and the like and the structure formed t.
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