Device for self-adjusting the flow rate of the combustion air in a gas supplied heat generator with an atmospheric burner and a tight chamber

摘要

There is disclosed a device for automatically adjusting the flow rate of the combustion air in a gas-supplied heat generator, comprising a first chamber (4) therein a fan (5) is arranged for supplying the combustion air communicating, through calibrated holes (8), with a chamber (9) for supplying combustion air to a burner (2) and, through an adjustable valve, (12) with a second chamber (10) thereto a duct (14) leads for discharging the combustion fumes.