Patent ID: 6270311
Filing Date: 2001-08-07
Classification: F01D,F05D

Abstract:
A gas turbine split ring comprising a plurality of split segments and seal plates,wherein said split segments are coupled to form a cylindrical shape by inserting an end portion of one seal plate into a connection portion of two adjoining split segments,wherein said connection portion has a shape such that, inner side (side that is nearer to the center of the cylindrical shape) end portion of a split segment projects in the peripheral direction as compared to the outer side end portion, the split segment adjoining to this split segment has a connection portion whose shape is opposite to the shape of the connection portion of this split segment, and the adjoining split segments are so coupled that there is a specific gap therebetween,a hole for passing a cooling air is provided in the connection portion of the split segment in such a manner that it is drilled obliquely from outer side towards the connection portion and opens on the inner surface of the connection portion.