Propulsion assembly incorporating a turbofan and a mounting pylon enabling a new distribution of the forces between the turbofan and the wing
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United States of America Patent
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Mar 20, 2018
Grant Date -
Aug 4, 2016
app pub date -
Jan 28, 2016
filing date -
Jan 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A propulsion assembly includes a turbojet incorporating a fan casing and a central casing around a longitudinal axis, a mounting pylon having a rigid structure, a forward engine attachment interposed between a forward extremity of the rigid structure and an upper part of the fan casing, the upper part being in a vertical median plane (P) passing through the longitudinal axis, an aft engine attachment interposed between a median zone of the rigid structure and an upper aft part of the central casing, and a device for absorbing the thrust forces generated by the turbojet, including two links placed either side of the median plane (P) and hinged, on one hand, forward, on a forward part of the central casing, and on the other, aft, directly on the rigid structure. Such an arrangement enables a reduction of the stresses, and the possibility of designing a simplified rigid structure.
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