IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0085047
(2013-11-20)
|
등록번호 |
US-9494134
(2016-11-15)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
36 |
초록
▼
Rotor blade assemblies and methods for constructing rotor blade assemblies are provided. A rotor blade assembly may include a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge and a trailing edge each extending between a tip and a root, the rotor blade def
Rotor blade assemblies and methods for constructing rotor blade assemblies are provided. A rotor blade assembly may include a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge and a trailing edge each extending between a tip and a root, the rotor blade defining a span and a chord. The rotor blade assembly further includes an extension plate mounted to one of the pressure side or the suction side, the extension plate extending in the chord-wise direction between a first end and a second end, the second end extending beyond the trailing edge. The rotor blade assembly further includes a filler substrate provided on an inner surface of the extension plate and the trailing edge, the filler substrate tapering from the trailing edge towards the second end.
대표청구항
▼
1. A rotor blade assembly, comprising: a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge and a trailing edge each extending between a tip and a root, the rotor blade defining a span and a chord;an extension plate mounted to one of the pressure side or th
1. A rotor blade assembly, comprising: a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge and a trailing edge each extending between a tip and a root, the rotor blade defining a span and a chord;an extension plate mounted to one of the pressure side or the suction side, the extension plate extending in the chord-wise direction between a first end and a second end, the second end extending beyond the trailing edge; and,a filler substrate provided on an inner surface of the extension plate and the trailing edge, the filler substrate tapering from the trailing edge towards the second end. 2. The rotor blade assembly of claim 1, wherein the extension plate has a thickness of less than 2 millimeters. 3. The rotor blade assembly of claim 1, wherein the extension plate has a thickness of approximately 1 millimeter. 4. The rotor blade assembly of claim 1, wherein an extension portion of the extension plate which extends beyond the trailing edge has a width in the chord-wise direction of between approximately 5 times and approximately 20 times a thickness of the trailing edge. 5. The rotor blade assembly of claim 1, wherein an extension portion of the extension plate which extends beyond the trailing edge has a width in the chord-wise direction of less than approximately 10 centimeters. 6. The rotor blade assembly of claim 1, wherein the extension plate has an overall width in the chord-wise direction of less than or equal to approximately 20 percent of the chord. 7. The rotor blade assembly of claim 1, wherein the extension plate is mounted. to the suction side. 8. The rotor blade assembly of claim 1, wherein the tiller substrate is one of a bonding paste, a rubber, or a silicone. 9. The rotor blade assembly of claim 1, further comprising an auxiliary filler substrate, the auxiliary filler substrate provided on the first end and the one of the pressure side or the suction side, the auxiliary filler substrate tapering from the first end towards the one of the pressure side or the suction side. 10. A rotor blade assembly, comprising: a rotor blade having exterior surfaces defining a pressure side, a suction side, a leading edge and a trailing edge each extending between a tip and a root, the rotor blade defining a span and a chord;an extension plate mounted to one of the pressure side or the suction side, the extension plate extending in the chord-wise direction between a first end and. a second end, the second end extending beyond the trailing edge, the extension plate having a thickness that is less than a thickness of the trailing edge; andan auxiliary filler substrate, the auxiliary filler substrate provided on the first end and the one of the pressure side or the suction side, the auxillary filler substrate tapering from the first end towards the one of the pressure side or the suction side. 11. The rotor blade assembly of claim 10, wherein the extension plate has a thickness of less than approximately 2 millimeters. 12. The rotor blade assembly of claim 10, wherein an extension portion of the extension plate which extends beyond the trailing edge has a width in the chord-wise direction of between approximately 5 times and approximately 20 times a thickness of the trailing edge. 13. The rotor blade assembly of claim 10, wherein an extension portion of the extension plate which extends beyond the trailing edge has a width in the chord-wise direction of less than approximately 10 centimeters. 14. The rotor blade assembly of claim 10, wherein the extension plate has an overall width in the chord-wise direction of less than or equal to approximately 20 percent of the chord. 15. The rotor blade assembly of claim 10, wherein the extension plate is mounted to the suction side. 16. The rotor blade assembly of claim 10, further comprising a filler substrate provided on an inner surface of the extension plate and the trailing edge, the filler substrate tapering from the trailing edge towards the second end. 17. The rotor blade assembly of claim 16, wherein the filler substrate is one of a bonding paste, a rubber, or a silicone. 18. A method for constructing a rotor blade assembly, the method comprising: mounting an extension plate to one of the pressure side or the suction side of a rotor blade;applying a filler substrate to the extension plate and the rotor blade; andforming the filler substrate such that the filler substrate tapers from a trailing edge of the rotor blade towards a second end of the extension plate. 19. The method of claim 18, further comprising: applying an auxiliary filler substrate to the extension plate and the rotor blade; andforming the auxiliary filler substrate such that the auxiliary filler substrate tapers from a first end of the extension plate towards the one of the pressure side or the suction side of the rotor blade.
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