Low noise modular blade burner

Details Low noise modular blade burner Low noise modular blade burner

2005-11-01

2005-11-01

Basichas, Alfred (Department: 3749)

Combustion

Mixer and flame holder

C431S328000, C239S553000

Reexamination Certificate

active

06960077

ABSTRACT:
A burner (1), fed with a mixture of fuel and air, comprising a body (2) consisting of two half-shells having a plane of symmetry, inside said body a Venturi tube (3) being defined, provided with and inlet (4) into which said mixture of fuel and air is introduced, said Venturi tube (3) communicating upwardly with a distributing chamber (5) of said mixture of fuel and air, said distributing chamber (5) communicating upwardly with a burner head (8), closed upwardly by a diffuser (9), on which openings are made for the outflow and the subsequent combustion of said mixture of fuel and air, said distributing chamber (5) exhibits a first portion (6) and a second portion (7), said first portion (6), communicating with said Venturi tube, comprising at least a first stretch (6a;6c;6e) having a cross section of substantially constant width and at least a second stretch (6b;6d) having cross section that increases progressively along a direction parallel to said plane of symmetry towards an end of said distributing chamber (5) faraway with respect to said Venturi tube (3), said second portion (7) having a section that increases progressively towards said burner head (8).

REFERENCES:
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patent: 2 310 489 (1997-08-01), None
patent: 06 331109 (1994-11-01), None

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