IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0719925
(2015-05-22)
|
등록번호 |
US-9434470
(2016-09-06)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
61 |
초록
▼
The spiroid wing tip according to embodiments of the invention including a continuous segmental assembly having a closed loop frontal profile comprising a lower near vertical segment, a horizontal segment, a vertical segment, a second horizontal upper segment, and a near vertical segment. Accordingl
The spiroid wing tip according to embodiments of the invention including a continuous segmental assembly having a closed loop frontal profile comprising a lower near vertical segment, a horizontal segment, a vertical segment, a second horizontal upper segment, and a near vertical segment. Accordingly to some embodiments of the invention, the spiroid profile is lowered with respect to the wing chord plane, such that a portion of the spiroid wing tip extends below the wing chord plane.
대표청구항
▼
1. A spiroid wing tip designed for attachment to an aircraft wing having an aircraft wing leading edge and an aircraft wing trailing edge, the spiroid wing tip comprising: an enclosed loop, comprising: a beginning section including a leading edge generally continuous with the aircraft wing leading e
1. A spiroid wing tip designed for attachment to an aircraft wing having an aircraft wing leading edge and an aircraft wing trailing edge, the spiroid wing tip comprising: an enclosed loop, comprising: a beginning section including a leading edge generally continuous with the aircraft wing leading edge;an ending section having a trailing edge swept rearward with respect to the aircraft wing trailing edge; andmiddle section between the beginning section and the ending section, the middle section including a portion extending above a chord plane of the aircraft wing. 2. The spiroid wing tip according to claim 1, wherein the ending section trailing edge is generally continuous with the aircraft wing trailing edge. 3. The spiroid wing tip according to claim 1, wherein the middle section is swept rearward with respect to the aircraft wing trailing edge. 4. The spiroid wing tip according to claim 1, wherein the middle section includes a portion extending below the chord plane of the aircraft wing. 5. The spiroid wing tip according to claim 1, wherein the beginning section extends from the aircraft wing in the chord plane thereof. 6. The spiroid wing tip according to claim 1, wherein the beginning section tapers from a first chord length at an aircraft wing attachment section to a second chord length smaller than the first chord length remote from the aircraft wing attachment section. 7. The spiroid wing tip according to claim 6, wherein the middle section tapers from the second chord length to a third chord length smaller than the second chord length. 8. The spiroid wing tip according to claim 7, wherein the ending section has an increasing chord length in a direction toward the aircraft wing. 9. The spiroid wing tip according to claim 1, wherein the middle section includes a first section connected to the beginning section and a second section connected to the ending section. 10. The spiroid wing tip according to claim 1, wherein each of the beginning section, ending section, and middle section are generally planar. 11. The spiroid wing tip according to claim 1, wherein the beginning section extends below the chord plane of the aircraft wing. 12. The spiroid wing tip according to claim 11, wherein the middle section traverses the chord plane of the aircraft wing. 13. The spiroid wing tip according to claim 1, wherein the middle section extends a distance h1 above the chord plane of the aircraft wing and a distance h2 below the chord plane of the aircraft wing, wherein the ratio of h2/h1 is between approximately 0.4 and 1.0. 14. The spiroid wing tip according to claim 1, wherein the enclosed loop has a horizontal width of w and a vertical height of h, wherein the ratio of w/h is approximately 1.0. 15. The spiroid wing tip according to claim 1, wherein a y-axis along an aircraft wing attachment section in the chord plane of the aircraft wing originates at the aircraft wing leading edge and extends toward the aircraft wing trailing edge, wherein an x-axis orthogonal to the y-axis is in the chord plane of the aircraft wing, and wherein a z-axis is orthogonal to both the y-axis and the x-axis, the beginning section extending from the aircraft wing attachment section in a positive x direction and a negative z direction, the ending section extending from the aircraft wing attachment section in the positive x direction and a positive z direction. 16. The spiroid wing tip according to claim 15, wherein the middle section includes a first part and a third part generally parallel to an x-y plane and a second part between the first and third parts orthogonal to the x-y plane. 17. The spiroid wing tip according to claim 1, wherein a portion of the ending section overlaps a portion of the beginning section.
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