A mounting system for a planetary gear train (30) in a gas turbine engine (10) comprises a support strut (56), a deflection flange (74) and a deflection limiter (52). The support strut extends between a stationary engine case (42) and a rotating engine sha...

An assembly includes a first tapered roller bearing (14A) and a second tapered roller bearing (14B) and a bellows spring (20). The bellows spring is disposed adjacent the first tapered roller bearing and the second tapered roller bearing. A method of apply...

A method for assembling a gas turbine engine assembly, including a gas turbine engine (10), a power turbine coupled to the gas turbine engine, and a thrust bearing coupled to the power turbine. The method includes coupling a first annular portion (110) hav...

The engine has a low pressure turbine shaft (1) mounted relative to a high pressure turbine shaft (2) and comprising a cage winding (5). The winding has two fixing points fixed to a bearing (3) and a radial flange of the shaft. The shaft has an actuator ta...

A system is provided for changing the critical speed of a shaft that includes: a first shaft (26) supported for relative rotational movement with respect to a stationary structure, a forward bearing (34) disposed at the forward end of the shaft, an aft bea...