Premixed fuel/air burner

摘要: A premixed fuel/air burner with velocity and ratio control having a nozzle wall forming Venturi mixer exit, means for separately introducing fuel air into the mixer, hollow body disposed in moveable longitudinal direction toward at least one orifice through thereof an angle respect to axis of such that is injected said mixer. Movement exit changes cross-sectional area thereby permitting resulting mixture. To ratio, fixed baffle provided inside which opening as moved exit.