| 摘要 |
A turbine bucket (1100 includes an airfoil portion (112) having leading and trailing edges (114, 116); at least one radially extending cooling passage (130) within the airfoil portion (112), the airfoil portion (112) being joined to a platform at a radially inner end of the airfoil portion (112); a dovetail mounting portion (128) enclosing a cooling medium supply passage (136); and, a crossover passage (144) in fluid communication with the cooling medium supply passage (136) and with at least one radially extending cooling passage (130), the crossover passage (144) having a portion (148) extending along and substantially parallel to an underside surface of the platform. <IMAGE> <IMAGE> |
