Internal flame gas burner with high compactness
First Claim
1. Internal flame gas burner comprising a gas injector (1), a vacuum tube (2), or venturi, ensuring an induction of primary air, a pot (3), and a cap (4), the cap covering the pot and together with the pot defining an annular distribution chamber (5) for a fuel mixture of air and gas, the chamber (5) having an internal edge (51) that surrounds the center (50) of this chamber and that is perforated with flame exit ports (510), and the vacuum tube (2) having an inlet (20) open to the ambient air, first and second longitudinal sections (21, 22) having, respectively, convergent and divergent profiles, and an outlet (23) opening into the annular chamber (5), the first section (21) originating at the inlet (20) of the tube (2), the second section (22) succeeding the first section (21) and ending at the outlet (23) of the tube, and the injector (1) being relatively closer to the inlet (20) of the vacuum tube (2) than to the outlet (23) of this tube, characterized in that the vacuum tube (2) extends longitudinally along an axis (X) inscribed substantially in a mid-plane (P) of the annular chamber (5), and in that this tube (2) has a length (L2) at most equal to twice the greatest distance (R) separating the internal edge (51) of the chamber (5) from the center (50) of this chamber.
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Accused Products
Abstract
The invention relates to an internal flame gas burner comprising a gas injector (1), a vacuum tube (2), and an annular chamber (5) formed by a pot (3) covered by a cap (4), the chamber having an internal edge (51) perforated with flame exit ports (510), and the tube (2) having a convergent section open to the ambient air at an inlet end, and a divergent section succeeding the convergent section, ending at the outlet of the tube and opening out into the chamber, the injector being relatively closer to the inlet of the tube than to the outlet.
According to the invention, the tube extends longitudinally along an axis (X) contained in a mid-plane (P) of the annular chamber, this tube having a length (L2) at most equal to twice the greatest distance (R) separating the internal edge (51) of the chamber from the center (50) of this chamber.
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Citations
12 Claims
- 1. Internal flame gas burner comprising a gas injector (1), a vacuum tube (2), or venturi, ensuring an induction of primary air, a pot (3), and a cap (4), the cap covering the pot and together with the pot defining an annular distribution chamber (5) for a fuel mixture of air and gas, the chamber (5) having an internal edge (51) that surrounds the center (50) of this chamber and that is perforated with flame exit ports (510), and the vacuum tube (2) having an inlet (20) open to the ambient air, first and second longitudinal sections (21, 22) having, respectively, convergent and divergent profiles, and an outlet (23) opening into the annular chamber (5), the first section (21) originating at the inlet (20) of the tube (2), the second section (22) succeeding the first section (21) and ending at the outlet (23) of the tube, and the injector (1) being relatively closer to the inlet (20) of the vacuum tube (2) than to the outlet (23) of this tube, characterized in that the vacuum tube (2) extends longitudinally along an axis (X) inscribed substantially in a mid-plane (P) of the annular chamber (5), and in that this tube (2) has a length (L2) at most equal to twice the greatest distance (R) separating the internal edge (51) of the chamber (5) from the center (50) of this chamber.
Specification