Patent ID: 7458773

Claim:
A turbomachine comprising: a gas generator for producing combustion gas; a turbine section through which the combustion gas passes and comprising first and second rows of contrarotating turbine rotor blades respectively driving first and second low-pressure shafts in rotation; a fan section comprising a first row of fan blades mounted on a front fan shaft that is connected to an upstream end of the first low-pressure shaft, and a second row of fan blades axially offset from the first row and mounted on a rear fan shaft that is connected to an upstream end of the second low-pressure shaft; and a torque transmitting removable sleeve connecting the front fan shaft to the upstream end of the first low-pressure shaft, wherein said torque transmitting removable sleeve is removable in order to disassemble the first and second low-pressure shafts from the rear without having to first disassemble the fan section.