COMBUSTION CHAMBER (VARIANTS) Russian patent published in 2005 - IPC

FIELD: engineering of combustion chambers.

SUBSTANCE: device has front cowl made of metallic material, capable of resisting increased burning temperatures in oxidizing and corrosion-active atmosphere, having first thermal expansion coefficient. Back compaction, connected to compaction holder, has second thermal expansion coefficient. Each of them is made of metallic material, capable of resisting increased burning temperatures in oxidizing and corrosion-active atmosphere. Casing of combustion chamber is made of ceramic linking composition material, capable of resisting increased burning temperatures in oxidizing and corrosion-active atmosphere, and has fourth thermal expansion coefficient, which is less than first thermal expansion coefficient of front cowl and less than second thermal expansion coefficient of back compaction, and less than third thermal expansion coefficient of compaction holder. Casing of combustion chamber is positioned between front cowl and back compaction with connected compaction holder in additional way to allow differential thermal expansion of ceramic casing of combustion chamber, front cowl and back compaction with connected compaction holder without introducing voltage to casing, enough for breakdown of casing as additional result of differential thermal expansion under increased temperatures.

EFFECT: decreased thermal strains in casings of combustion chamber and conjunction parts.

2 cl, 17 dwg