IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0460107
(2017-03-15)
|
등록번호 |
US-9988142
(2018-06-05)
|
우선권정보 |
EP-14185039 (2014-09-16) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Jenkins, Wilson, Taylor & Hunt, P.A.
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
10 |
초록
▼
A wing for an aircraft, including a main wing and a wing tip device, a front blade and a rear blade of the wing tip device extending from an attachment end, a front blade leading edge extending in front of a rear blade leading edge and a front blade trailing edge extending in front of a rear blade t
A wing for an aircraft, including a main wing and a wing tip device, a front blade and a rear blade of the wing tip device extending from an attachment end, a front blade leading edge extending in front of a rear blade leading edge and a front blade trailing edge extending in front of a rear blade trailing edge, in a chord direction, and at a front blade tip the front blade extending under a different dihedral angle than the rear blade at a rear blade tip. The front blade leading and trailing edges, as well as the rear blade leading and trailing edges have a tangent-continuous developing. The front blade leading edge extends tangent-continuously with the wing leading edge. The rear blade trailing edge extends tangent-continuously with the wing trailing edge. The front blade trailing edge extends behind the rear blade leading edge, in the chord direction.
대표청구항
▼
1. A wing for an aircraft, comprising a main wing having a wing leading edge, a wing trailing edge opposite to the wing leading edge, a wing root end, and a wing tip end opposite to the wing root end; anda wing tip device having an attachment end which is attached to the wing tip end of the main win
1. A wing for an aircraft, comprising a main wing having a wing leading edge, a wing trailing edge opposite to the wing leading edge, a wing root end, and a wing tip end opposite to the wing root end; anda wing tip device having an attachment end which is attached to the wing tip end of the main wing, a front blade having a front blade leading edge and a front blade trailing edge, and a rear blade having a rear blade leading edge and a rear blade trailing edge;wherein the front blade and the rear blade extend away from the attachment end in a diverging manner, wherein the front blade leading edge extends in front of the rear blade leading edge and the front blade trailing edge extends in front of the rear blade trailing edge, when viewed in a chord direction,wherein at the end of the wing tip device opposite to the attachment end the front blade has a front blade tip and the rear blade has a rear blade tip, wherein at the front blade tip the front blade extends under a different dihedral angle than the rear blade at the rear blade tip, so that the front blade tip extends on a different level than the rear blade tip, when viewed in a wing thickness direction,wherein the front blade leading edge and the front blade trailing edge both have a tangent-continuous developing, andwherein the rear blade leading edge and the rear blade trailing edge both have a tangent-continuous developing,wherein the front blade leading edge extends tangent-continuously with the wing leading edge, and the rear blade trailing edge extends tangent-continuously with the wing trailing edge, andwherein the front blade trailing edge at least partially extends behind the rear blade leading edge, when viewed in the chord direction, so that the front blade and the rear blade overlap one another in an overlapping area, when viewed in the wing thickness direction. 2. A wing according to claim 1, wherein the front blade trailing edge intersects the rear blade leading edge, when viewed in the wing thickness direction, so that near the attachment end the front blade trailing edge extends behind the rear blade leading edge, and remote from the attachment end the front blade trailing edge extends in front of the rear blade leading edge, when viewed in the chord direction. 3. A wing according to claim 1, wherein the front blade trailing edge does not intersect the rear blade leading edge, when viewed in the wing thickness direction, so that along an entire front blade trailing edge and/or along an entire rear blade leading edge the front blade trailing edge extends behind the rear blade leading edge, when viewed in the chord direction. 4. A wing according to claim 1, wherein the main wing defines a wing plane, wherein the front blade extends downwards out of the wing plane and wherein the rear blade extends upwards out of the wing plane, with reference to the wing thickness direction. 5. A wing according to claim 1, wherein the front blade trailing edge does not intersect the rear blade leading edge, when viewed in the wing thickness direction, so that along an entire front blade trailing edge and/or along an entire rear blade leading edge the front blade trailing edge extends behind the rear blade leading edge, when viewed in the chord direction,wherein the main wing defines a wing plane, wherein the front blade extends downwards out of the wing plane and wherein the rear blade extends upwards out of the wing plane, with reference to the wing thickness direction, andwherein the wing tip device is formed such that: an extent of the overlapping area, when measured along a junction line, is between 5% and 30%, or between 15% and 25%, of an extent of the wing tip device in the chord direction, when measured at the attachment end,dihedral angle of the front blade leading edge, when measured at the attachment end, corresponds to dihedral angle of the wing leading edge, when measured at the wing tip end,dihedral angle of the rear blade trailing edge, when measured at the attachment end, corresponds to dihedral angle of the wing trailing edge, when measured at the wing tip end,dihedral angle of the front blade, when measured at the front blade tip, is between −10° and −60°, or between −20° and −45°,dihedral angle of the rear blade, when measured at the rear blade tip, is between 30° and 90°, or between 45° and 70°,a junction angle between the front blade and the rear blade along the junction line, when measured at the rear blade leading edge, is between 0° and 45°, or between 10° and 30°, andthe junction angle between the front blade and the rear blade along the junction line, when measured at the front blade trailing edge, is between 45° and 100°, or between 50° and 80°. 6. A wing according to claim 1, wherein the main wing defines a wing plane, wherein the front blade extends upwards out of the wing plane and wherein the rear blade extends downwards out of the wing plane, with reference to the wing thickness direction. 7. A wing according to claim 1, wherein the front blade trailing edge does not intersect the rear blade leading edge, when viewed in the wing thickness direction, so that along an entire front blade trailing edge and/or along an entire rear blade leading edge the front blade trailing edge extends behind the rear blade leading edge, when viewed in the chord direction,wherein the main wing defines a wing plane, wherein the front blade extends upwards out of the wing plane and wherein the rear blade extends downwards out of the wing plane, with reference to the wing thickness direction, andwherein the wing tip device is formed such that: an extent of the overlapping area, when measured along a junction line, is between 5% and 25%, or between 10% and 15%, of an extent of the wing tip device in the chord direction, when measured at the attachment end,dihedral angle of the front blade leading edge, when measured at the attachment end, corresponds to dihedral angle of the wing leading edge, when measured at the wing tip end,dihedral angle of the rear blade trailing edge, when measured at the attachment end, corresponds to dihedral angle of the wing trailing edge, when measured at the wing tip end,dihedral angle of the front blade, when measured at the front blade tip, is between 30° and 90°, or between 45° and 70°,dihedral angle of the rear blade, when measured at the rear blade tip, is between −20° and −60°, or between −30° and −45°,a junction angle between the front blade and the rear blade along the junction line, when measured at the rear blade leading edge, is between 0° and 45°, or between 10° and 30°, andthe junction angle between the front blade and the rear blade along the junction line, when measured at the front blade trailing edge, is between 45° and 100°, or between 50° and 80°. 8. A wing according to claim 1, wherein the main wing defines a wing plane, wherein the front blade extends in the wing plane and wherein the rear blade extends upwards out of the wing plane, with reference to the wing thickness direction. 9. A wing according to claim 1, wherein the front blade trailing edge does not intersect the rear blade leading edge, when viewed in the wing thickness direction, so that along an entire front blade trailing edge and/or along an entire rear blade leading edge the front blade trailing edge extends behind the rear blade leading edge, when viewed in the chord direction,wherein the main wing defines a wing plane, wherein the front blade extends in the wing plane and wherein the rear blade extends upwards out of the wing plane, with reference to the wing thickness direction, andwherein the wing tip device is formed such that: an extent of the overlapping area, when measured along a junction line, is between 5% and 15%, or between 5% and 10%, of an extent of the wing tip device in the chord direction, when measured at the attachment end,dihedral angle of the front blade leading edge, when measured at the attachment end, corresponds to dihedral angle of the wing leading edge, when measured at the wing tip end,dihedral angle of the rear blade trailing edge, when measured at the attachment end, corresponds to dihedral angle of the wing trailing edge, when measured at the wing tip end,dihedral angle of the front blade, when measured at the front blade tip, corresponds to dihedral angle of the wing leading edge, when measured at the wing tip end,dihedral angle of the rear blade, when measured at the rear blade tip, is between 30° and 90°, or between 45° and 70°,a junction angle between the front blade and the rear blade along the junction line, when measured at the rear blade leading edge, is between 0° and 45°, or between 10° and 30°, andthe junction angle between the front blade and the rear blade along the junction line, when measured at the front blade trailing edge, is between 20° and 60°, or between 30° and 45°. 10. An aircraft comprising the wing according to claim 1. 11. A wing according to claim 1, wherein the front blade and the rear blade have a common base section and separate tip sections, wherein the base section is defined between the front blade leading edge, the rear blade trailing edge, the attachment end, and opposite to the attachment end a front blade root where a front blade tip section is rooted in the base section, and a rear blade root where a rear blade tip section is rooted in the base section, wherein between the front blade root and the rear blade root, when viewed in the wing thickness direction, a junction line is provided. 12. A wing according to claim 11, wherein the wing tip device is formed and attached to the main wing such that: a sweep angle of the front blade leading edge, when measured at the attachment end, corresponds to sweep angle of the wing leading edge, when measured at the wing tip end, and between 25° and 45°,a sweep angle of the front blade trailing edge, when measured at the front blade root, corresponds to an angle between the sweep angle of the wing trailing edge and the sweep angle of the wing leading edge, when measured at the wing tip end, and between 20° and 40°,a sweep angle of the rear blade leading edge, when measured at the rear blade root, corresponds to an angle between the sweep angle of the wing leading edge and twice the sweep angle of the wing leading edge, when measured at the wing tip end, and between 25° and 45°,a sweep angle of the rear blade trailing edge, when measured at the attachment end, corresponds to the sweep angle of the wing trailing edge, when measured at the wing tip end, and between 20° and 40°,a sweep angle of the front blade leading edge, when measured at the front blade tip, corresponds to an angle between the sweep angle of the wing leading edge and twice the sweep angle of the wing leading edge, when measured at the wing tip end, and between 45° and 60°,a sweep angle of the front blade trailing edge, when measured at the front blade tip, corresponds to an angle between the sweep angle of the wing trailing edge and twice the sweep angle of the wing leading edge, when measured at the wing tip end, and between 40° and 55°,a sweep angle of the rear blade leading edge, when measured at the rear blade tip, corresponds to an angle between the sweep angle of the wing leading edge and twice the sweep angle of the wing leading edge, when measured at the wing tip end, and between 45° and 60°, anda sweep angle of the rear blade trailing edge, when measured at the rear blade tip, corresponds to an angle between the sweep angle of the wing trailing edge and twice the sweep angle of the wing trailing edge, when measured at the wing tip end, and between 40° and 55°. 13. A wing according to claim 11, wherein the wing tip device is formed such that: an extent of the front blade in the chord direction, when measured at the front blade root, is between 20% and 80%, or between 40% and 60%, of the extent of the wing tip device in the chord direction, when measured at the attachment end,the extent of the front blade in the chord direction, when measured at the front blade tip, is between 10% and 40%, or between 15% and 30%, of the extent of the wing tip device in the chord direction, when measured at the attachment end,an extent of the rear blade in the chord direction, when measured at the rear blade root, is between 20% and 80%, or between 40% and 60%, of an extent of the wing tip device in the chord direction, when measured at the attachment end, andthe extent of the rear blade in the chord direction, when measured at the rear blade tip, is between 10% and 40%, or between 15% and 30%, of the extent of the wing tip device in the chord direction, when measured at the attachment end. 14. A wing according to claim 11, wherein the wing tip device is formed such that: an extent of the front blade in a span direction, when measured between the attachment end and the front blade tip, is between 50% and 300%, or between 100% and 200%, of an extent of the wing tip device in the chord direction, when measured at the attachment end,an extent of the rear blade in a span direction, when measured between the attachment end and the rear blade tip, is between 50% and 300%, or between 100% and 200%, of the extent of the wing tip device in the chord direction, when measured at the attachment end.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.