Gas turbine split ring

F - Mech Eng,Light,Heat,Weapons – 01 – D

Patent

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Details

F01D 11/08 (2006.01) F01D 9/04 (2006.01) F01D 11/00 (2006.01) F01D 25/14 (2006.01) F01D 25/24 (2006.01)

Patent

CA 2299815

In gas turbine split rings, end faces having bent surfaces are formed in flanges. Adjoining split rings are coupled together with a groove therebetween to form a cylindrical split ring. Notches are formed in the flanges. These notches are sealed by inserting a seal plate into the notches of adjoining split rings. A hole for passing cooling air is drilled obliquely in the flange. Cooling air is allowed to flow out along the direction of rotation (of the turbine) . This cooling air cools the outlet of the groove due to the effect of film cooling. Because of such cooling, high temperature gas is prevented from staying in this area, cooling effect is enhanced, and hence burning of the end portions can be prevented.

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