| 摘要 |
The structure has an internal stator ferrule radially defining a flux towards interior, where the flux traverses a turboshaft engine e.g. turbojet engine. A radial abradable internal coating forms an annular sealing track (50), and is arranged to be contacted by a rotating part of the engine. A filling unit (24) is interposed between the ferrule and the coating, and is made of non-metallic foam material commercialized under rohacell(RTM: polymethacrylimide rigid foam), where density of the foam material is lower than the density of a material used to form the coating. Independent claims are also included for the following: (1) an annular stator structure sector comprising a stator ferrule sector (2) a stator part for a module of a turboshaft engine of an aircraft. |
