Patent ID: 9488066
Filing Date: 2016-11-08
CPC Classification: F01D,F05D

Claim Text:
1. A turbine vane of a steam turbine comprising: a vane member that has a space formed therein; and a plate spring member that is disposed inside the space of the vane member and elastically contacts an inner surface of the vane member, wherein: the plate spring member includes a positioning portion which is positioned in the inner surface of the vane member, an elastic contact portion which elastically contacts the inner surface of the vane member, and a connection portion which connects the positioning portion to the elastic contact portion, the elastic contact portion is divided into a plurality of segments in a length direction of the vane member, and the elastic contact portion of the plate spring member is an area in which the elastic contact portion elastically contacts the inner surface of the vane member, and the elastic contact area of the elastic contact portion at a center in the length direction of the vane member is wider than the elastic contact area of the elastic contact portion at both ends in the length direction of the vane member.