| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide assemblies for attaching turbine rotor discs, methods of attaching turbine rotor discs, and seal structures between turbine rotor discs. <P>SOLUTION: A method of attaching two rotor discs 22a and 22b in a turbine engine, the method comprising the steps of: forming a first rotor disc 22a that includes a first axial extension 46 and a disc flange 51; forming a second rotor disc 22b that includes a second axial extension 48 and a weld surface; forming a bridge 53, the bridge including a bridge flange 55 at one end and a weld surface at the other end, and, along an outer radial surface, the bridge comprising means for sealing; attaching the bridge to the second rotor disc via welding the weld surfaces of the bridge and the second axial extension; and attaching the first rotor disc to the bridge via removably securing the disc flange to the bridge flange. <P>COPYRIGHT: (C)2012,JPO&INPIT |
