Piston Ring Assembly For A Turbine Engine

Abstract: ABSTRACT A gas turbine engine is provided having a combustion section (26) with a liner extending between a forward end and an aft end. A structural member is positioned in or around at least a portion of the combustion section (26). Additionally, a piston ring holder is provided attached to the structural member at a first end and positioned proximate to the aft end of the liner at a second end. The piston ring holder is a bimetallic member including a first portion formed of a first material and a second portion formed of a second material. A coefficient of thermal expansion of the first material is different than a coefficient of thermal expansion of the second material. FIG. 1

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