| 摘要 |
PROBLEM TO BE SOLVED: To improve performance by suppressing a protrusion portion protruding to a passage and improve workability by facilitating assembly in relation to a stator vane, a stator vane unit, and a steam turbine.SOLUTION: A stator vane 20 is configured so that end portions of a stator vane body 31 fixedly penetrate a split ring 32 (shroud 33), the split ring 32 including a plurality of split bodies 51, 52, and 53 disposed around the end portions of the stator vane body 31, weld zones 61, 62, and 63 being provided among the split bodies 51, 52, and 53, and groove weld zones 71, 72, 73, and 74 being provided between the end portions of the stator vane body 31 and the split bodies 51, 52, and 53. |
