| 摘要 |
1482308 Turbine blade fixing WESTING- HOUSE ELECTRIC CORP 20 Oct 1975 [29 Oct 1974] 42907/75 Heading FIT Axial-flow steam turbine rotor blades mounted in generally axial slots 26 in the rotor disc periphery have root platform portions with convex side surfaces 44A, B, C &c. of greater radius of curvature 48 than that 50 of the opposite concave side surfaces 46A, B, C &c. Replacement of a damaged blade is thus facilitated, the replacement sequence being described, locking pins 32A, B, C &c. engage a circumferential groove 30 and slots 42A, B, C &c. in the respective blade roots |
