Aeronautics and astronautics – Aircraft power plants – Mounting
Patent
1993-12-30
1995-11-21
Kashnikow, Andres
Aeronautics and astronautics
Aircraft power plants
Mounting
60 3931, 248554, 248555, B64D 2700
Patent
active
054679419
ABSTRACT:
A pylon (14) for supporting a turbo-fan jet engine, in particular, an ultra-high by-pass turbo-fan jet engine (12) is disclosed. The pylon (14) attaches to the forward and aft parts of the engine core (22) and supports the engine (12) from an airplane wing (10) while resisting static and dynamic forces applied by the engine and the nacelle of the engine to the pylon. The pylon (14) includes a pylon bifurcation portion(16), having an upper end (23) and a lower end. The upper end (23) is positioned exterior to the fan duct (8) of the engine and is attached to the wing (10). The lower end is positioned inside of the fan duct (8). The lower end further includes an aft section that is attached by lugs (38) to the aft part of the engine core (22), and a forward section that is attached to the forward part of the engine core. Left and right cowl beams (18, 20) extend forward from opposite sides of the forward section of the lower portion of the pylon bifurcation portion (16) and attach to different locations on the forward part of the engine core (22). The cowl beams (18, 20) resist the majority portion of torque forces applied by the engine (12) to the pylon (14).
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Kashnikow Andres
Mojica Virna Lissi
The Boeing Company
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