COMBUSTION CHAMBER WALL AND GAS TURBINE Russian patent published in 2011 - IPC F23R3/60 

FIELD: power industry.

SUBSTANCE: combustion chamber wall contains load-carrying structure with several thermal protection shields that are fixed on load-carrying structure by means of fastener. Fastener includes spring device. Spring device is rigidly attached to load-carrying structure and consists at least of one spring installed in the casing. Casing has external thread, and spring is made so that it is prevented from falling out on the side facing from combustion chamber by means of the first device protecting against falling out. Spring device on inner side has axial hole for receiving the fastener; at that, spring is made so that it is prevented from falling out by means of the second device protecting against falling out on the side facing the combustion chamber. Protection plate on which a washer is installed on the side facing the combustion chamber is installed on the spring on the side facing the combustion chamber. Washer is equipped with load-carrying external thread made, as in the casing, so that it can be screwed in mating internal thread of load-carrying structure in order to provide the removal of spring device on the side facing the combustion chamber.

EFFECT: simplifying erection or removal of thermal protection shields.

4 dwg, 21 cl