GAS HEATER Russian patent published in 1996 - IPC

FIELD: domestic gas equipment for heating the living, utility, working and auxiliary spaces. SUBSTANCE: gas heater has hermetic combustion chamber with main and firing burners, pipe for discharge of combustion products and pipe for supply of outside air to burners through air chamber, protective decorative facing, gas combustion control equipment; front wall of combustion chamber is made in form of smoothly engageable surface which is convex outside changing into concave surface in lower portion in zone of reflecting plate; reflecting plate is curvilinear on rear wall and so positioned relative to front wall that passage area of gas duct smoothly reduces towards top portion of combustion chamber. EFFECT: enhanced reliability. 2 dwg