Burners for combustion of pulverulent fuel; Burners using capillary action; Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel; Burners in which drops of liquid fuel impinge on a surface; Burners in which a stream of liquid fuel impinges intermittently on a hot surface; Burners using a direct spraying action of liquid droplets or vaporized liquid into the combustion space; Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid; Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel; Burners not otherwise provided for; Assemblies of two or more burners.
