| 摘要 |
Described is a shaft support system (214) for a gas turbine engine comprising: a rotatable fan shaft (210); first and second support structures extending in parallel from the shaft (210) to a load bearing structure to provide radial location of the shaft (210) within an engine casing, wherein the first support and second support structures include first and second respective mechanical fusible joints; wherein the first fusible joint (270) is a two-stage fuse which partially fails within a first predetermined load range, the second fusible joint fails within a second predetermined load range which is different to the first load range, and the first fusible joint fully fails only when the second fusible joint has failed. |
