Systems and methods involving multiple torque paths for gas turbine engines

摘要

Systems and methods involving multiple torque paths of gas turbine engines are provided. In this regard, a representative spool assembly for a gas turbine engine (100), which incorporates a compressor (102), a turbine (106) and a gear assembly (138), includes: a shaft (108) operative to be driven by the turbine; a first spool segment (120) operative to couple the shaft to the compressor; and a second spool segment (122) operative to couple the shaft to the gear assembly. The first spool segment is operative to load the turbine engine despite a mechanical failure of the second spool segment, and the second spool segment is operative to load the turbine despite a mechanical failure of the first spool segment.