초록 ▼

An attachment arrangement for connecting a jet propulsion power plant to an aircraft wing, the power plant lying generally forward and below the wing, wherein the engine is not only anchored in the vertical, lateral and fore-and-aft senses against bodily displacement with reference to the wing, but

An attachment arrangement for connecting a jet propulsion power plant to an aircraft wing, the power plant lying generally forward and below the wing, wherein the engine is not only anchored in the vertical, lateral and fore-and-aft senses against bodily displacement with reference to the wing, but is anchored against angular movement in its pitch, roll and yaw senses in the event of partial or total failure of any one element of the attachment arrangement.

대표청구항 ▼

1. A power plant attachment arrangement for an engine lying generally forward and below an aircraft wing, including a fore-and-aft extending engine-carrying beam member, a spanwise extending wing structural member, and means interconnecting the two, the interconnecting means including a forward elem

1. A power plant attachment arrangement for an engine lying generally forward and below an aircraft wing, including a fore-and-aft extending engine-carrying beam member, a spanwise extending wing structural member, and means interconnecting the two, the interconnecting means including a forward element, pin means pinning respective ends of the forward element to the wing structural member and to the beam member such that the forward element extends downwardly and forwardly with respect to the aircraft wing, a rearward element of A-shape in plan, pin means pinning its apex to the wing structural member and pinning laterally spaced regions of its base to correspondingly spaced regions on the beam member such that the rearward element extends downwardly and forwardly with respect to the aircraft wing, and an intermediate element lying between the forward and the rearward elements comprising pin means pinning laterally spaced regions of the beam member to correspondingly spaced regions of the wing member, the axes of the pin means of the forward element, the intermediate element, and the base of the rearward element all lying generally spanwise with respect to the aircraft. 2. A powerplant attachment arrangement according to claim 1, in which the interconnecting means includes a further element, and pin means pinning respective ends of the further element to the wing structural member and to the beam member about generally fore-and-aft axes, the element extending generally spanwise with respect to the aircraft. 3. A powerplant attachment arrangement according to claim 2, wherein the wing structural member is of box-shape in spanwise cross section having a forward face and an undersurface, and wherein lug means are provided at an upper region of the forward face of the box to carry the forward element, spaced lug means are provided on the underside of the box adjacent the forward face to carry the intermediate element, and lug means are provided on the underside of the box remote from the forward face to carry the rearward element. 4. A power plant attachment arrangement according to claim 3, wherein the engine-carrying beam member has an upper region and a rearward face, and wherein lug means are provided on a region of the upper face remote from the rearward face to carry the forward element, spaced lug means are provided on the upper region adjacent the rearward face to carry the intermediate element, and spaced lug means are provided on a lower region of the rearward face to carry the base of the rearward element. 5. A power plant attachment arrangement according to claim 2, wherein the pin means pinning the apex end of the rearward element to the wing structural member has its axis lying generally spanwise with respect to the aircraft. 6. A power plant attachment arrangement according to claim 5, wherein the interconnecting means includes another element, and pin means pinning respective ends of said other element to the wing structural member and to the beam member about generally upright axes, said other element extending generally spanwise with respect to the aircraft. 7. A power plant attachment arrangement according to claim 2, wherein the pin means pinning the apex end of the rearward element to the wing structural member has its axis lying approximately upright with respect to the aircraft. 8. A power plant attachment arrangement according to claim 7, wherein the pin means associated with the apex end of the rearward element has that region engaged by said apex end of part-spherical form. 9. A power plant attachment arrangement according to claim 8 including two spaced rod members, and pin means connecting respective ends of said rod members between spaced regions of the base of the A-shaped rearward element and correspondingly spaced regions on the wing structural member, the pin means having their axes lying generally spanwise of the aircraft. 10. A power plant attachment arrangement according to claim 4, wherein the pin means pinning the apex end of the rearward element to the wing structural member has its axis lying generally spanwise with respect to the aircraft. 11. A power plant attachment arrangement according to claim 10, wherein the interconnecting means includes another element, and pin means pinning respective ends of said other element to the wing structrual member and to the beam member about generaly upright axes, said other element extending generally spanwise with respect to the aircraft. 12. A power plant arrangement according to claim 4 wherein the pin means pinning the apex end of the rearward element to the wing structural member has its axis lying approximately upright with respect to the aircraft. 13. A power plant attachment arrangement according to claim 12, wherein the pin means associated with the apex end of the rearward element has that region engaged by said apex end of part-spherical form. 14. A power plant attachment arrangement according to claim 13 including two spaced rod members, and pin means connecting respective ends of said rod members between spaced regions of the base of the A-shaped rearward element and correspondingly spaced regions on the wing structural member, the pin means having their axes lying generally spanwise of the aircraft.