Bridles for stability of a powered kite and a system and method for use of same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A63H-027/08
B64C-031/06
B64C-039/02
A63H-027/00
A63H-027/04
B64C-029/02
B64F-003/02
출원번호
US-0136637
(2016-04-22)
등록번호
US-9630711
(2017-04-25)
발명자
/ 주소
Vander Lind, Damon
출원인 / 주소
X DEVELOPMENT LLC
대리인 / 주소
McDonnell Boehnen Hulbert & Berghoff LLP
인용정보
피인용 횟수 :
1인용 특허 :
26
초록▼
The system may include a ground station, a tether attached to a ground station on a first end and to two or more bridles on a second, and a kite. The kite may include a main wing. Each bridle of the two or more bridles may be attached to the main wing, and the two or more bridles may be adapted to p
The system may include a ground station, a tether attached to a ground station on a first end and to two or more bridles on a second, and a kite. The kite may include a main wing. Each bridle of the two or more bridles may be attached to the main wing, and the two or more bridles may be adapted to provide a torque on the kite to control a roll of the kite.
대표청구항▼
1. A method comprising: causing a kite to lift off the ground in a hover mode of flight, wherein the kite comprises a main wing comprising an axis that is perpendicular to a roll axis of the kite, and wherein the kite is oriented vertically in the hover mode of flight; andcontrolling a roll of the k
1. A method comprising: causing a kite to lift off the ground in a hover mode of flight, wherein the kite comprises a main wing comprising an axis that is perpendicular to a roll axis of the kite, and wherein the kite is oriented vertically in the hover mode of flight; andcontrolling a roll of the kite during the hover mode of flight at least in part with use of two or more bridles between the kite and a tether, wherein each bridle of the two or more bridles is attached to the main wing, the two or more bridles being adapted to provide a torque on the kite to control the roll of the kite, and the two or more bridles comprising: a first bridle attached to a first side of the main wing, the first bridle comprising a first portion that is attached to the first side of the main wing along the axis, anda second bridle attached to a second side of the main wing opposite the first side of the main wing, the second bridle comprising a second portion that is attached to the second side of the main wing at a location offset from the axis. 2. The method of claim 1, wherein in response to a force on the kite provided by the tether, the two or more bridles being adapted to provide the torque on the kite to control the roll of the kite, such that the torque on the kite causes a change in the roll of the kite. 3. The method of claim 1, wherein causing the kite to lift off the ground in the hover mode of flight comprises controlling the roll of the kite during the lift off at least in part with the use of the two or more bridles. 4. The method of claim 1, wherein the method further comprises: landing the kite in the hover mode of flight, the landing comprising controlling the roll of the kite at least in part with the use of the two or more bridles. 5. The method of claim 1, wherein the main wing further comprises a center line, and wherein the two or more bridles further comprise: a third bridle attached to a portion of the main wing, wherein the portion is located substantially on the center line of the main wing. 6. The method of claim 1, wherein the kite further comprises one or more rotors attached to the main wing, the one or more rotors being adapted to provide a second torque on the kite that is substantially opposite the torque on the kite along the roll axis of the kite, and wherein in response to a force on the kite provided by the tether and the second torque on the kite provided by the one or more rotors, the two or more bridles being adapted to provide the torque on the kite, such that the torque on the kite causes a change in the roll of the kite. 7. The method of claim 1, wherein the kite further comprises one or more rotors attached to the main wing, the one or more motors being adapted to provide a second torque on the kite that is substantially parallel to the torque on the kite along the roll axis of the kite, and wherein in response to a force on the kite provided by the tether, the two or more bridles being adapted to provide the torque on the kite, such that torque on the kite and the second torque on the kite cause a change in the roll of the kite. 8. The method of claim 1, wherein the main wing further comprises one or more control surfaces, the one or more control surfaces being adapted to provide a second torque that is substantially parallel to the torque on the kite along the roll axis of the kite, and wherein in response to a force on the kite provided by the tether, the two or more bridles being adapted to provide the torque on the kite, such that the torque on the kite and the second torque on the kite cause a change in the roll of the kite. 9. The method of claim 1, wherein the main wing is curved, such that the main wing being adapted to provide a second torque that is substantially parallel to the torque on the kite along the roll axis of the kite, and wherein in response to a force on the kite provided by the tether, the two or more bridles being adapted to provide the torque on the kite, such that the torque on the kite and the second torque on the kite cause a change in the roll of the kite. 10. The method of claim 1, wherein the tether is attached to a ground station on a first end and to the two or more bridles on a second end. 11. A method comprising: causing a kite to lift off the ground in a hover mode of flight, wherein the kite comprises a main wing comprising an axis that is perpendicular to a roll axis of the kite, and wherein the kite is oriented vertically in the hover mode of flight;transitioning the kite from the hover mode of flight to a crosswind mode of flight, wherein the kite is oriented horizontally in the crosswind mode of flight; andcontrolling a roll of the kite during the crosswind mode of flight at least in part with use of two or more bridles between the kite and a tether, wherein each bridle of the two or more bridles is attached to the main wing, the two or more bridles being adapted to provide a torque on the kite to control the roll of the kite, and the two or more bridles comprising: a first bridle attached to a first side of the main wing, the first bridle comprising a first portion that is attached to the first side of the main wing along the axis, anda second bridle attached to a second side of the main wing opposite the first side of the main wing, the second bridle comprising a second portion that is attached to the second side of the main wing at a location offset from the axis. 12. The method of claim 11, wherein in response to a force on the kite provided by the tether, the two or more bridles being adapted to provide the torque on the kite to control the roll of the kite, such that the torque on the kite causes a change in the roll of the kite. 13. The method of claim 11, wherein causing the kite to lift off the ground in the hover mode of flight comprises controlling the roll of the kite during the lift off at least in part with the use of the two or more bridles. 14. The method of claim 11, wherein the method further comprises: controlling the roll of the kite during the hover mode of flight at least in part with use of the two or more bridles. 15. The method of claim 11, wherein the method further comprises: landing the kite in the hover mode of flight, the landing comprising controlling the roll of the kite at least in part with the use of the two or more bridles. 16. The method of claim 11, wherein the main wing further comprises a center line, and wherein the two or more bridles further comprise: a third bridle attached to a portion of the main wing, wherein the portion is located substantially on the center line of the main wing. 17. A method comprising: causing a kite to lift off the ground in a hover mode of flight, wherein the kite comprises a main wing comprising an axis that is perpendicular to a roll axis of the kite, and wherein the kite is oriented vertically in the hover mode of flight;controlling a roll of the kite during the hover mode of flight at least in part with use of the two or more bridles, wherein each bridle of the two or more bridles is attached to the main wing, the two or more bridles being adapted to provide a torque on the kite to control the roll of the kite, and the two or more bridles comprising: a first bridle attached to a first side of the main wing, the first bridle comprising a first portion that is attached to the first side of the main wing along the axis, anda second bridle attached to a second side of the main wing opposite the first side of the main wing, the second bridle comprising a second portion that is attached to the second side of the main wing at a location offset from the axis;transitioning the kite from the hover mode of flight to a crosswind mode of flight, wherein the kite is oriented horizontally in the crosswind mode of flight;controlling the roll of the kite during the crosswind mode of flight at least in part with use of the two or more bridles; andlanding the kite in the hover mode of flight, wherein the landing comprises controlling the roll of the kite at least in part with the use of the two or more bridles. 18. The method of claim 17, wherein causing the kite to lift off the ground in the hover mode of flight comprises controlling the roll of the kite during the lift off at least in part with the use of the two or more bridles.
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