Variable flame retention device utilizing an interwoven flexible wire metal gauze

摘要

The invention relates to a gas mixing burner (80) equipped with a flame retention device (1). This device incorporates in its construction a compressed gauze of interwoven flexible metal wire or wires for said gases to flow through it, and takes the form of a ring (2), characterised in that it is constituted by a substantially coaxial stack of at least two of said rings (2). Such a device may in particular be mounted on cylindrical domestic burners.