| 摘要 |
A multi-path split torque gearbox system provides a multiple of three stage torque split power gear trains modules that each transmits torque from a high-speed engine to a main rotor shaft (36). The first stage bevel gear arrangement (30,32) provides a compact packaging arrangement that facilitates various engine mounting locations in all axes. At the second stage, quill shaft assemblies (40) provide equal load balance. At the third stage, each quill shaft assembly includes a multiple of pinion gears (48) in meshing engagement with the final output gear (28). Each torque split modules transfer the power from the high speed input shaft into a multiple of meshing engagements with the final output gear to provide significant torque transfer desired in a single rotor heavy lift rotary wing aircraft embodiment within a compact housing package.
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