SHAFT SEAL DEVICE, ROTARY MACHINE, AND METHOD FOR MANUFACTURING SHAFT SEAL DEVICE

摘要

A shaft sealing device (10) includes a plurality of leaves (20) that is arranged in a periphery of a rotating shaft (50) and divides a space around the rotating shaft into two spaces in an axial direction of the rotating shaft, and a side seal plate that is arranged on one side of the leaf in the axial direction and has an opposite surface facing a side end on one side of the leaf. The leaf and/or the side seal plate has a friction reducing portion for reducing a friction force between the opposite surface and a surface of the side end.