SHROUD, MOVING BLADE BODY AND ROTARY MACHINE

摘要

PROBLEM TO BE SOLVED: To reduce fluid leaked from a clearance between shrouds.SOLUTION: A shroud includes a shroud body 22 fixed on a blade end of a moving blade 18 attached in such a manner of being extended radially from a rotor body and arranged adjacently with each other in a circumferential direction, and the shroud body 22 includes circumferential end surfaces 27 and 28 having an abutment end surface abutted with the abutment surface of the adjacent shroud body 22 and a confronting surface 34 continued to the abutment end surface and confronting with the confronting surface 34 of the adjacent shroud body 22 through a clearance 32, and an outer peripheral surface 24 having a protrusion 40 formed in such a manner of extending along the confronting surface 34 and projecting to the radial direction outer side.