GAS HEATING OVEN Russian patent published in 2013 - IPC F24B1/08 

FIELD: heating.

SUBSTANCE: gas heating oven comprises an oven fire box, a gas burner, a secondary air controller, a splitter of combustion products, smoke channels, a draught alarm, a gate, a tight door, a stack, besides, it additionally comprises a receiving chamber of a stack, which is an extension of the stack, an air channel that connects the oven fire box and the receiving chamber of the stack, at the same time the receiving chamber of the stack is connected with the stack via a hole for exhaust of ventilation air, and with an air channel via a hole for entrance of ventilation air, at the same time the gate is installed in the stack and the receiving chamber of the stack between holes for entrance and exit of ventilation air and is made in the form of two parts, solid and with holes, for passage of ventilation air, the shape of the solid part of the gate matches with cross section of the stack, and the shape of the gate part with holes for ventilation air passage matches cross section of the receiving chamber of the stack.

EFFECT: increased efficiency of a device, fuel saving, higher speed of room heating, reduced costs of service time, increased reliability and convenience of operation, higher level of safety for public, simplicity of manufacturing.

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