| 1/00 | Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being fluent (combustion apparatus characterised by the combination of two or more combustion chambers F23C 6/00; pilot flame igniters F23Q 9/00) |
| 1/02 | Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being fluent (combustion apparatus characterised by the combination of two or more combustion chambers F23C 6/00; pilot flame igniters F23Q 9/00) lump and liquid fuel |
| 1/04 | Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being fluent (combustion apparatus characterised by the combination of two or more combustion chambers F23C 6/00; pilot flame igniters F23Q 9/00) lump and gaseous fuel |
| 1/06 | Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being fluent (combustion apparatus characterised by the combination of two or more combustion chambers F23C 6/00; pilot flame igniters F23Q 9/00) lump and pulverulent fuel |
| 1/08 | Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being fluent (combustion apparatus characterised by the combination of two or more combustion chambers F23C 6/00; pilot flame igniters F23Q 9/00) liquid and gaseous fuel |
| 1/10 | Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being fluent (combustion apparatus characterised by the combination of two or more combustion chambers F23C 6/00; pilot flame igniters F23Q 9/00) liquid and pulverulent fuel |
| 1/12 | Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being fluent (combustion apparatus characterised by the combination of two or more combustion chambers F23C 6/00; pilot flame igniters F23Q 9/00) gaseous and pulverulent fuel |
| 3/00 | Combustion apparatus characterised by the shape of the combustion chamber (F23C 15/00 takes precedence) |
| 5/00 | Combustion apparatus characterised by the arrangement or mounting of burners |
| 5/02 | Combustion apparatus characterised by the arrangement or mounting of burners Structural details of mounting |
| 5/06 | Combustion apparatus characterised by the arrangement or mounting of burners Structural details of mounting Provision for adjustment of burner position during operation |
| 5/08 | Combustion apparatus characterised by the arrangement or mounting of burners Disposition of burners |
| 5/14 | Combustion apparatus characterised by the arrangement or mounting of burners Disposition of burners to obtain a single flame of concentrated or substantially planar form, e.g. pencil or sheet flame (F23C 5/32 takes precedence) |
| 5/24 | Combustion apparatus characterised by the arrangement or mounting of burners Disposition of burners to obtain a loop flame |
| 5/28 | Combustion apparatus characterised by the arrangement or mounting of burners Disposition of burners to obtain flames in opposing directions, e.g. impacting flames |
| 5/32 | Combustion apparatus characterised by the arrangement or mounting of burners Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally |
| 6/00 | Combustion apparatus characterised by the combination of two or more combustion chambers |
| 6/02 | Combustion apparatus characterised by the combination of two or more combustion chambers in parallel arrangement |
| 6/04 | Combustion apparatus characterised by the combination of two or more combustion chambers in series connection |
| 7/00 | Combustion apparatus characterised by arrangements for air supply (inlets for fluidisation air F23C 10/2) |