Gaz De France

Gdf Suez

Jean-Claude Molla

A burner has a pot provided with an inlet for a gas mixture to be burned and a cap that sits on top of the pot. The pot and the cap define both a central zone for combustion of the gas mixture, and a peripheral chamber that extends around the central zone and communicates with the gas inlet. A plurality of passageways allow the gas mixture to flow from the peripheral chamber into the central zone. A deflector separates, in a non-leaktight manner, the chamber into a lower subchamber, located substantially in the extension of the inlet, and an upper subchamber adjacent said passageways.

Gas burner with only an internal flame

The invention relates to an internal flame gas burner comprising a gas injector (), a vacuum tube (), and an annular chamber () formed by a pot () covered by a cap (), the chamber having an internal edge () perforated with flame exit ports (), and the tube () 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 (L) at most equal to twice the greatest distance (R) separating the internal edge () of the chamber from the center () of this chamber.

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Beauchamp, France

Jean-Claude Molla