IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0188756
(2014-02-25)
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등록번호 |
US-9790919
(2017-10-17)
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발명자
/ 주소 |
- Leonard, Jay F.
- Judge, Paul William
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
24 |
초록
▼
The present disclosure is directed to a rotor blade assembly and/or a joint assembly for a wind turbine blade. In one embodiment, the rotor blade assembly includes at least first and second blade segments connected together at a chord-wise extending joint, one or more shear-loaded pins configured th
The present disclosure is directed to a rotor blade assembly and/or a joint assembly for a wind turbine blade. In one embodiment, the rotor blade assembly includes at least first and second blade segments connected together at a chord-wise extending joint, one or more shear-loaded pins configured through the chord-wise extending joint, and an anti-rotation locking feature. As such, the rotor blade assembly includes a maintenance-free bolted joint. The first blade segment has a body shell defining a generally aerodynamic profile. The body shell includes a suction side surface and a pressure side surface. The shear-loaded pin may extend in a generally flap-wise direction (i.e. from the suction side surface to the pressure side surface of the body shell) or in a generally chord-wise direction (i.e. from the pressure side to the suction side of the body shell).
대표청구항
▼
1. A rotor blade assembly for a wind turbine, the rotor blade assembly comprising: a first blade segment comprising a recess member defining a cavity configured as a female component;a second blade segment connected to the first blade segment at a maintenance-free chord-wise extending joint, wherein
1. A rotor blade assembly for a wind turbine, the rotor blade assembly comprising: a first blade segment comprising a recess member defining a cavity configured as a female component;a second blade segment connected to the first blade segment at a maintenance-free chord-wise extending joint, wherein the second blade segment further defines a post member extending outwardly in a generally span-wise direction and configured as a male component, and further wherein the post member is configured to be received within the corresponding cavity defined by the recess member of the first blade segment;a body shell defining a generally aerodynamic profile of the first blade segment and the second blade segment, the body shell comprising a suction side surface and a pressure side surface;at least one shear-loaded pin configured through the chord-wise extending joint, the shear-loaded pin extending in a generally flap-wise direction, the at least one shear-loaded pin configured through both the suction side surface and the pressure side surface of the body shell; and,an anti-rotation shear bolt component engaged perpendicularly with the at least one shear-loaded pin, the shear bolt component configured to secure the shear-loaded pin within and through the body shell, the post member, and the recess member. 2. The rotor blade assembly of claim 1, further comprising a shear web extending longitudinally within the body shell from the suction side surface to the pressure side surface, the shear web being disposed between opposed spar caps, wherein the at least one shear-loaded pin extends through at least one of the spar caps. 3. The rotor blade assembly of claim 1, wherein the anti-rotation shear bolt component further comprises at least one of a nut component, a wire component, an adhesive, a washer component, a tab component, one or more nylon inserts, or oval-shaped threads configured therewith. 4. The rotor blade assembly of claim 1, wherein the at least one shear-loaded pin further comprises an exterior surface comprising at least one groove. 5. The rotor blade assembly of claim 1, wherein the chord-wise extending joint further comprises one or more through-holes configured to receive the at least one shear-loaded pin or the shear bolt component. 6. The rotor blade assembly of claim 5, wherein a diameter of the shear-loaded pin is greater than a diameter of the corresponding through-hole to create an interference fit between the shear-loaded pin and the through-hole. 7. The rotor blade assembly of claim 5, further comprising at least one of a nut component or a washer component configured with the shear bolt component and configured to secure the shear bolt component within the body shell. 8. The rotor blade assembly of claim 1, wherein the second blade segment corresponds to a blade tip of the rotor blade, wherein the blade tip comprises less than 20% of a diameter of a rotor of the wind turbine. 9. The rotor blade assembly of claim 1, wherein the chord-wise extending joint further comprises an adhesive. 10. A rotor blade assembly for a wind turbine, the rotor blade assembly comprising: a first blade segment comprising a recess member, the recess member defining a cavity therein;a second blade segment comprising a post member extending outwardly from a chord-wise extending face of the second blade segment, the post member configured within the cavity of the recess member so as to define a chord-wise extending joint between the first blade segment and the second blade segment,a body shell defining a generally aerodynamic profile of the first blade segment and the second blade segment, the body shell comprising a suction side surface and a pressure side surface,at least one shear-loaded pin configured through the chord-wise extending joint, the shear-loaded pin extending in a generally flap-wise direction, the at least one shear-loaded pin configured through both the suction side surface and the pressure side surface of the body shell; and,an anti-rotation shear bolt component engaged perpendicularly with the at least one shear-loaded pin, the shear bolt component configured to secure the shear-loaded pin through the body shell, the post member, and the recess member. 11. The joint assembly of claim 10, wherein the at least one shear-loaded pin further comprises an exterior surface comprising a groove. 12. The joint assembly of claim 10, further comprising one or more through-holes configured to receive the at least one shear-loaded pin or the shear bolt component. 13. The joint assembly of claim 10, further comprising a filler material covering one or more opposing ends of each shear-loaded pin, wherein the filler material provides an aerodynamic surface corresponding to the contour of the body shell. 14. A rotor blade joint assembly for connecting multiple blade segments of rotor blade of a wind turbine, the joint assembly comprising: a recess member configured for receipt within a first blade segment, the recess member defining a cavity configured therein;a post member configured for receipt within a second blade segment, the post member comprising a first portion configured to extend outwardly from a chord-wise extending face of the second blade segment and a second portion configured for receipt within the cavity;at least one shear-loaded pin configured to extend through the first portion of the post member and the recess member when the first portion of the post member is received within the recess member, wherein the shear-loaded pin is configured in a generally flap-wise direction when the first portion of the post member is received within the recess member, the at least one shear-loaded pin configured through both the suction side surface and the pressure side surface of the body shell; and,an anti-rotation shear bolt component engaged perpendicularly with the at least one shear-loaded pin, the shear bolt component configured to secure the shear-loaded pin through the body shell, the post member, and the recess member. 15. The joint assembly of claim 14, wherein the first portion of the post member and the cavity of the recess member comprise a corresponding dovetail configuration.
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