Patent ID: 6960077

Claim:
A burner suitable for being fed with a mixture of fuel and air comprising: (a) a burner body comprising two half-shells having a plane of symmetry, (b) a Venturi tube provided within said body comprising an inlet for introduction of the mixture of fuel and air; (c) a distributing chamber for the mixture of fuel and air comprising a first portion and a second portion, said first portion communicating with said Venturi tube and comprising one or more stretches having a cross-section of substantially constant width and one or more further stretches having a cross-section having a width that increases progressively along a direction parallel to said plane of symmetry towards an end of said distributing chamber remote from said Venturi tube; (d) a diffuser provided with openings for outflow and subsequent combustion of the mixture of fuel and air; and (e) a burner head closed upwardly by said diffuser, said distributing chamber communicating upwardly with said burner head; wherein said head comprises a plurality of substantially parallel flow paths for the mixture, said flow paths being separated from each other.