Aircraft nacelle including a cowling and an engine, the cowling including a fixed portion and a mobile portion able to slide in order to define a radial opening with the mobile portion, a thrust reverser system including a plurality of flaps intended to be deployed in order to seal at least partiall
Aircraft nacelle including a cowling and an engine, the cowling including a fixed portion and a mobile portion able to slide in order to define a radial opening with the mobile portion, a thrust reverser system including a plurality of flaps intended to be deployed in order to seal at least partially an annular channel surrounding the engine, the mobile portion of the cowling including an annular housing extending longitudinally in order to receive the flaps in rest position. Each flap is linked to the fixed portion by a pivot joint and is linked to the mobile portion by a sliding-pivot joint, in such a way that a sliding of the mobile portion in separating from the fixed portion provokes a rotation of each flap around the axis of rotation of the joint with the fixed portion.
대표청구항▼
1. Aircraft nacelle comprising: a cowling of longitudinal axis,an engine housed in an interior space delimited by the cowling,an annular channel surrounding the engine and intended to receive a secondary flow,the cowling comprising:a fixed portion,a mobile portion able to slide according to an axis
1. Aircraft nacelle comprising: a cowling of longitudinal axis,an engine housed in an interior space delimited by the cowling,an annular channel surrounding the engine and intended to receive a secondary flow,the cowling comprising:a fixed portion,a mobile portion able to slide according to an axis substantially parallel to the longitudinal axis in order to define a radial opening between the mobile portion and the fixed portion,a thrust reverser system comprising a plurality of interior flaps mounted rotatably mobile and able to have a rest position, wherein the interior flaps are substantially parallel to the longitudinal axis, and able to have a deployed position wherein the interior flaps obstruct at least partially the annular channel, the mobile portion of the cowling comprising an annular housing centred on the longitudinal axis, and extending longitudinally in order to receive the interior flaps in the rest position,each flap of the thrust reverser being linked to the fixed portion by at least one pivot joint of axis orthogonal to the longitudinal axis, said pivot joint being accomplished by an axis crossing longitudinal ends of two longitudinal bars fixed to the fixed portion surrounding laterally a first longitudinal end of the flap, and the flap,each flap being also linked to the mobile portion by at least one sliding-pivot joint including a sliding pivot and a sliding rail, the axis of the sliding pivot being substantially parallel to the axis of the pivot joint linking the flap to the fixed portion, and the axis of the sliding rail being orthogonal to the axis of the pivot joint and being contained in a plane substantially parallel to a plane containing the longitudinal axis, in such a way that a sliding of the mobile portion in separation from the fixed portion provokes a rotation of each flap around the axis of rotation of the pivot joint with the fixed portion, the control of the position of the flaps being obtained as such directly by sliding of the mobile portion of the cowling. 2. Nacelle set forth in claim 1, wherein each longitudinal bar participates in the articulation of two flaps. 3. Nacelle set forth in claim 1, wherein the two longitudinal bars are fixed in relation to the fixed portion. 4. Nacelle set forth in claim 1, wherein the sliding-pivot joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on a radially internal wall of the annular housing, and able to slide in the sliding rail, which is formed in a face of the flap facing said radially internal wall of the annular housing. 5. Nacelle set forth in claim 1, wherein the sliding-pivot joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on the flap, and able to slide in the sliding rail, which is formed in the radially internal wall. 6. Nacelle set forth in claim 1, wherein the two longitudinal bars are two rods connected rotatably mobile on the fixed portion and on the flap. 7. Nacelle as claimed in the claim 6, wherein a joint between each rod and the fixed portion is a ball-joint connection and a joint between each rod and the flap is a sliding-pivot joint, and wherein the flap is linked by first and second annular linear joints to the mobile portion. 8. Nacelle set forth in claim 7, wherein the first annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on a radially internal wall of the annular housing and able to slide in a second sliding rail formed in a face of the flap facing said radially internal wall of the annular housing the flap, and the second annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on a first longitudinal end of the flap and able to slide in a third sliding rail formed in a radially external wall of the annular housing. 9. Nacelle set forth in claim 7, wherein the first annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on the flap and able to slide in a second sliding rail formed in the radially internal wall, and the second annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on a first longitudinal end of the flap and able to slide in a third sliding rail formed in a radially external wall of the annular housing. 10. Nacelle set forth in claim 7, wherein the first annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on the flap and able to slide in a second sliding rail formed in the radially internal wall, and the second annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on a radially external wall of the annular housing and able to slide in a third sliding rail formed in a face of the flap facing said radially external wall of the annular housing. 11. Nacelle set forth in claim 7, wherein the first annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on a radially internal wall of the annular housing and able to slide in a second sliding rail formed in a face facing said radially internal wall of the annular housing the flap, and the second annular linear joint between each flap and the mobile portion is accomplished by a carriage mounted rotatably mobile on a radially external wall of the annular housing and able to slide in a third sliding rail formed in a face of the flap facing said radially external wall of the annular housing. 12. Nacelle set forth in claim 6, wherein a joint between each rod and the fixed portion is a ball-joint connection and a joint between each rod and the flap is a sliding-pivot joint, and wherein the flap is linked by an annular linear joint to the radially internal wall of the annular housing of the mobile portion, said nacelle comprising a system controlling the rotation of the annular linear joint. 13. Aircraft comprising at least one nacelle comprising: a cowling of longitudinal axis,an engine housed in an interior space delimited by the cowling,an annular channel surrounding the engine and intended to receive a secondary flow,the cowling comprising:a fixed portion,a mobile portion able to slide according to an axis substantially parallel to the longitudinal axis in order to define a radial opening between the mobile portion and the fixed portion,a thrust reverser system comprising a plurality of interior flaps mounted rotatably mobile and able to have a rest position, wherein the interior flaps are substantially parallel to the longitudinal axis, and able to have a deployed position wherein the interior flaps obstruct at least partially the annular channel, the mobile portion of the cowling comprising an annular housing centred on the longitudinal axis, and extending longitudinally in order to receive the interior flaps in the rest position,each flap of the thrust reverser being linked to the fixed portion by at least one pivot joint of axis orthogonal to the longitudinal axis, said pivot joint being accomplished by an axis crossing longitudinal ends of two longitudinal bars fixed to the fixed portion surrounding laterally a first longitudinal end of the flap, and the flap,each flap being also linked to the mobile portion by at least one sliding-pivot joint including a sliding pivot and a sliding rail, the axis of the sliding pivot being substantially parallel to the axis of the pivot joint linking the flap to the fixed portion, and the axis of the sliding rail being orthogonal to the axis of the pivot joint and being contained in a plane substantially parallel to a plane containing the longitudinal axis, in such a way that a sliding of the mobile portion in separation from the fixed portion provokes a rotation of each flap around the axis of rotation of the pivot joint with the fixed portion, the control of the position of the flaps being obtained as such directly by sliding of the mobile portion of the cowling. 14. Nacelle set forth in claim 12, wherein the system is formed by a circular spring.
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이 특허에 인용된 특허 (2)
Vermilye Michael L. (Redmond WA), Thrust reverser blocker door assembly.
Gonidec Patrick,FRX ; Portal Jean Fabrice Marcel,FRX ; Studer Vincent Joseph Rodolphe,FRX ; Vauchel Guy Bernard,FRX, Thrust reverser for turbojet engine having scoop-forming doors cooperating with movable flow deflecting baffles.
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