WING TIP DEVICE

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, includes: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection. The upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection. An included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees. 1. A wing tip device for fixing to the outboard end of a wing , the wing defining a wing plane , the wing tip device comprising:an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; anda lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection,wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, andwherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees.2. A wing tip device according to claim 1 , wherein the lower wing-like element has an element planform area less than approximately 25% of the upper wing-like element planform area.3. A wing tip device according to claim 1 , wherein an included angle between the wing plane and the lower wing-like ...

WING TIP DEVICE

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting With the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection. 1. A wing tip device for fixing to the outboard end of a wing , the wing defining a wing plane , the wing tip device comprising:an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; anda lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection,wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, andwherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees.2. A wing tip device according to claim 1 , wherein the upper wing-like element includes a substantially planar portion and a non-planar curved wing tip extension adapted to smoothly blend the outboard end of the wing into the substantially planar portion of the upper wing-like element.3. A wing tip device according to claim 2 , wherein the non-planar curved wing tip extension has increasing curvature of local dihedral in the outboard direction.4. A wing tip device according to claim 1 , wherein the non-planar curved wing tip extension has continuously increasing sweepback of both the leading and trailing ...

WINGTIP DEVICE OF A WING, AND ALSO A WING WITH SUCH A WINGTIP DEVICE

A wingtip device for a wing is provided. The wingtip device has an inner end and an outer end, and in which the local dihedral of the wingtip device increases or reduces from the inner end to the outer end, with a pressure-side flow surface and a suction-side flow surface. At least two ancillary wing sections are arranged on the wingtip device, projecting in each case from the flow surface of the wingtip device. The ancillary wing sections in each case form an interface with the surface of the wingtip device; which interfaces are located spaced apart from one another. A wing with such a wingtip device is also provided. 1. A wingtip device for a wing , comprising:an inner end; and at least two ancillary wing sections are arranged on the wingtip device, projecting in each case from the pressure-side flow surface of the wingtip device, and', 'the ancillary wing sections in each case form an interface with the pressure-side flow surface of the wingtip device; which interfaces are located spaced apart from one another., 'an outer end, in which a local dihedral of the wingtip device increases from the inner end to the outer end, with a pressure-side flow surface and a suction-side flow surface, wherein2. The wingtip device according to claim 1 , wherein the separation distance between each pair of interfaces is at least 1.5 times the length of the shorter of the two ancillary wing sections.3. The wingtip device in accordance with claim 1 , wherein with reference to a section through the wingtip device in a YZ-plane claim 1 , at least one ancillary wing section is arranged on a side of the wingtip device claim 1 , which generally has a convex curvature.4. The wingtip device claim 1 , in accordance with claim 1 , wherein a local central plane of the ancillary wing section is inclined at an angle of less than 30 degrees relative to a local thickness direction of a local wingtip device coordinates system claim 1 , at least within a region of up to 85% of the length of the ...

Wing tip device

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection, wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, and wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro-fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device.

Wing Tip Device

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection, wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, and wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro-fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device. 1. A wing tip device for fixing to the outboard end of a wing , the wing defining a wing plane , the wing tip device comprising:an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; anda lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection,wherein the upper wing-like element includes a substantially planar portion and a transition portion adapted to smoothly blend the outboard end of the wing into the substantially planar portion,wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the ...

Wing Tip Device

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like clement projecting downwardly from the intersection, wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, and wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro-fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device. 1. A wing tip device for fixing to the outboard end of a wing , the wing defining a wing plane , the wing tip device comprising:an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; anda lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection,wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection,wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees, andwherein the ...

WING TIP SHAPE FOR A WING, IN PARTICULAR OF AIRCRAFT

A wing for of aircraft has a wing tip shape that has a profile that extends in the direction of the span of the wing, and across the direction of the span of the wing extends from the wing leading edge to the wing trailing edge. The profile is delimited by a first skin and a second skin, with a winglet, arranged on the wing end. The winglet is substantially planar, and has a transition region arranged between the wing and the winglet, that extends from a connection on the wing to a connection on the winglet. The curvature of the local dihedral can increase in the transition region from a low level or a level of zero at or near the wing intersection in the outboard direction. 1. A wing for an aircraft , wherein the wing comprises:a profile that extends in the direction of the span of the wing, and across said direction of the span of the wing from the wing leading edge to the wing trailing edge,wherein the profile is delimited by a first skin and a second skin, and a winglet, arranged on a wing end, wherein the winglet is substantially planar, and wherein a transition region is arranged between the wing and the winglet, andwherein the transition region extends from a connection on the wing to a connection on the winglet, wherein in the transition region the curvature of the local dihedral increases in the outboard direction.2. The wing of claim 1 , wherein in the transition region the curvature of the local dihedral increases over at least substantially 50% of a spanwise dimension of the transition region up to a maximum.3. The wing of claim 1 , wherein in the transition region the curvature of the local dihedral increases over at least substantially 75% of a spanwise dimension of the transition region up to a maximum.4. The wing of claim 1 , wherein in the transition region the curvature of the local dihedral increases over at least substantially 90% of a spanwise dimension of the transition region up to a maximum.5. The wing claim 2 , wherein in the transition ...

Wing Tip Device

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection, wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, and wherein an included angle between the upper and lower wing-like elements at he intersection is less than, or equal to 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro-fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device. 1. A wing tip device fixed to the outboard end of a wing of an aircraft , the wing defining a wing plane , the wing tip device comprising:an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; anda lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection,wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection,wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees, andwherein ...

Aircraft With Load Reducing Wing Like Element

An aircraft includes a fuselage, a wing attached thereto, a wing tip device attached to a wing end of the wing (), a wing-like element having a wing root, a wing leading edge and a wing trailing edge, and a torque control device having a rotatable interface means. The torque control device is adapted for rotatably supporting the wing root of the wing-like element on the interface means about a rotational axis extending from the interface means into the wing-like element and to limit the degree of rotation depending on a torque introduced into the interface means by the wing-like element. The wing-like element is adapted to induce a rotation around the rotational axis in an air flow. The wing root is coupled with the wing tip device, the wing or the fuselage through the torque control device such that the leading edge extends into an airflow surrounding the aircraft.

Wing tip device

A wing tip device for fixing to the outboard end of a wing (401), the wing defining a wing plane, the wing tip device comprising: an upper wing- like element (404) projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing- like element (407) fixed with respect to the upper wing- like element and having a root chord (412) and a trailing edge (417), the lower wing- like element root chord intersecting with the upper wing- like element, and the lower wing- like element projecting downwardly from the intersection, wherein the upper wing- like element is larger than the lower wing- like element and the trailing edge of the lower wing- like element is adjacent the trailing edge (416) of the upper wing- like element at the intersection, and wherein an included angle between the upper and lower wing- like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro - fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device.

Wing tip device

A wing tip device for fixing to the outboard end of a wing (401), the wing defining a wing plane, the wing tip device comprising: an upper wing- like element (404) projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing- like element (407) fixed with respect to the upper wing- like element and having a root chord (412) and a trailing edge (417), the lower wing- like element root chord intersecting with the upper wing- like element, and the lower wing- like element projecting downwardly from the intersection, wherein the upper wing- like element is larger than the lower wing- like element and the trailing edge of the lower wing- like element is adjacent the trailing edge (416) of the upper wing- like element at the intersection, and wherein an included angle between the upper and lower wing- like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro - fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device.

Wing tip shape for a wing, in particular of aircraft

Described is a wing tip shape for a wing, in particular of aircraft, which wing comprises a profile that extends in the direction of the span of the wing (1), and across said direction of the span of the wing (1) extends from the wing leading edge (8, 6, 10) to the wing trailing edge (7), which profile is delimited by a first skin (11) and a second skin (12), with a winglet (3), arranged on the wing end, which winglet (3) is essentially planar, and with a transition region (2) arranged between the wing (1) and the winglet (3), which transition region (2) extends from a connection (4) on the wing (1) to a connection (5) on the winglet (3). The invention provides for the curvature of the local dihedral to increase in the transition region (2) from a low level or a level of zero at or near the wing intersection (4) in the outboard direction.

Wingtip device of a wing, and also a wing with such a wingtip device

A wingtip device (W; W1, W2, W4, W5, W6, W7, W8) for a wing (T; 10a, 10b), which has an inner end (E1) and an outer end (E2), and in which the local dihedral of the wingtip device (W; W1, W2, W4, W5, W6, W7, W8) increases or reduces from the inner end (E1) to the outer end (E2), with a pressure-side flow surface (U-W) and a suction-side flow surface (P-W), wherein at least two ancillary wing sections (100; 101, 102, 103) are arranged on the wingtip device (W; W1, W2, W4, W5, W6, W7, W8), projecting in each case from the flow surface of the wingtip device (W; W1, W2, W3, W4, W5, W6, W7, W8), and wherein the ancillary wing sections (100; 101, 102, 103) in each case form an interface (q0) with the surface of the wingtip device (W; W1, W2, W4, W5, W6, W7, W8); which interfaces are located spaced apart from one another, and a wing (T) with such a wingtip device (W; W1, W2, W4, W5, W6, W7, W8).

Wing tip device

A wing tip device for fixing to the outboard end of a wing (401), the wing defining a wing plane, the wing tip device comprising: an upper wing- like element (404) projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing- like element (407) fixed with respect to the upper wing- like element and having a root chord (412) and a trailing edge (417), the lower wing- like element root chord intersecting with the upper wing- like element, and the lower wing- like element projecting downwardly from the intersection, wherein the upper wing- like element is larger than the lower wing- like element and the trailing edge of the lower wing- like element is adjacent the trailing edge (416) of the upper wing- like element at the intersection, and wherein an included angle between the upper and lower wing- like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro - fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device.

Wingtip device of a wing, and also a wing with such a wingtip device

Wing tip device

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection, wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, and wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro-fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device.

Wingtip device of a wing, and also a wing with such a wingtip device

A wingtip device (W; W1, W2, W4, W5, W6, W7, W8) for a wing (T; 10a, 10b), which has an inner end (E1) and an outer end (E2), and in which the local dihedral of the wingtip device (W; W1, W2, W4, W5, W6, W7, W8) increases or reduces from the inner end (E1) to the outer end (E2), with a pressure-side flow surface (U-W) and a suction-side flow surface (P-W), wherein at least two ancillary wing sections (100; 101, 102, 103) are arranged on the wingtip device (W; W1, W2, W4, W5, W6, W7, W8), projecting in each case from the flow surface of the wingtip device (W; W1, W2, W3, W4, W5, W6, W7, W8), and wherein the ancillary wing sections (100; 101, 102, 103) in each case form an interface (q0) with the surface of the wingtip device (W; W1, W2, W4, W5, W6, W7, W8); which interfaces are located spaced apart from one another, and a wing (T) with such a wingtip device (W; W1, W2, W4, W5, W6, W7, W8).

Flügelspitzenform für einen flügel, insbesondere einen flugzeugflügel

Aircraft with load reducing wing like element

An aircraft comprises a fuselage, a wing (2) attached to the fuselage, a wing tip device (6) attached to a wing end (4) of the wing (2), at least one additional wing-like element (14) having a wing root (22), a wing leading edge (18) and a wing trailing edge (20), and a torque control device having a rotatable interface means. The torque control device is adapted for rotatably supporting the wing root of the wing-like element on the interface means under creation of a rotational axis (16) extending from the interface means into the wing-like element (14), about which rotational the wing-like element (14) is rotatable. The wing-like element (14) is adapted to induce a rotation around the rotational axis (16) in an air flow. The torque control device is adapted to limit the degree of rotation depending on a torque introduced into the interface means by the wing-like element (14) and the wing root (22) of the at least one wing-like element (14) is coupled with at least one of the wing tip device (6), the wing (2) and the fuselage through the torque control device such that the leading edge (18) extends into an airflow surrounding the aircraft.

Wing tip device

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection, wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, and wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees. Also, a wing with the wing tip device; an aircraft with the wing; a method of fitting, or retro-fitting, the wing tip device to a wing; a method of modifying an existing wing tip device; and a method of operating a wing with the wing tip device.

Wing tip device

A wing tip device for fixing to the outboard end of a wing, the wing defining a wing plane, the wing tip device comprising: an upper wing-like element projecting upwardly with respect to the wing plane and having a trailing edge; and a lower wing-like element fixed with respect to the upper wing-like element and having a root chord and a trailing edge, the lower wing-like element root chord intersecting with the upper wing-like element, and the lower wing-like element projecting downwardly from the intersection, wherein the upper wing-like element is larger than the lower wing-like element and the trailing edge of the lower wing-like element is adjacent the trailing edge of the upper wing-like element at the intersection, and wherein an included angle between the upper and lower wing-like elements at the intersection is less than, or equal to, 160 degrees.

Aircraft With Load Reducing Wing Like Element

An aircraft includes a fuselage, a wing attached thereto, a wing tip device attached to a wing end of the wing (2), a wing-like element having a wing root, a wing leading edge and a wing trailing edge, and a torque control device having a rotatable interface means. The torque control device is adapted for rotatably supporting the wing root of the wing-like element on the interface means about a rotational axis extending from the interface means into the wing-like element and to limit the degree of rotation depending on a torque introduced into the interface means by the wing-like element. The wing-like element is adapted to induce a rotation around the rotational axis in an air flow. The wing root is coupled with the wing tip device, the wing or the fuselage through the torque control device such that the leading edge extends into an airflow surrounding the aircraft.

Wing tip shape for a wing, in particular of aircraft

A wing for of aircraft has a wing tip shape that has a profile that extends in the direction of the span of the wing, and across the direction of the span of the wing extends from the wing leading edge to the wing trailing edge. The profile is delimited by a first skin and a second skin, with a winglet, arranged on the wing end. The winglet is substantially planar, and has a transition region arranged between the wing and the winglet, that extends from a connection on the wing to a connection on the winglet. The curvature of the local dihedral can increase in the transition region from a low level or a level of zero at or near the wing intersection in the outboard direction.