DEVICE FOR CONTROLLING THE FLOW RATE OF A FUEL GAS AIR MIXTURE AND/OR THE RATIO BETWEEN FUEL GAS AND AIR IN A FUEL GAS/AIR MIXTURE

摘要

23333-106ABSTRACTA device is disclosed for controlling the flow rate of afuel gas/air mixture, or the ratio between the fuel gas and air inthe mixture. The device comprises a body provided with an airinlet, a fuel gas inlet, a fuel gas air mixture outlet, a gaspassage variable by control means for controlling the flow of gasthrough the device and an adjustable air passage for adjusting theflow of air through the device, wherein the passages constitutethe area in the body where the controlled flows of fuel gas andair are combined and blended.