| F | SK | MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
| F23 | KL | COMBUSTION APPARATUS; COMBUSTION PROCESSES |
| F23B | UKL | METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL (for combustion of fuels that are solid at room temperatures, but burned in melted form, e.g. candle wax, C11C 5/00, F23C, F23D; using solid fuel suspended in air F23C, F23D 1/00; using solid fuel suspended in liquids F23C, F23D 11/00; using solid fuel together with fluid fuel or with solid fuel suspended in air, simultaneously or alternately, F23C, F23D 17/00) |
| F23B 10/00 | HGR | Combustion apparatus characterised by the combination of two or more combustion chambers [2006.01, 2011.01] |
| F23B 10/02 | UGR1 | | . | including separate secondary combustion chambers [2011.01] |
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| F23B 20/00 | HGR | Combustion apparatus specially adapted for portability or transportability [2006.01] |
| F23B 30/00 | HGR | Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber [2006.01] |
| F23B 30/02 | UGR1 | | . | with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts [2006.01] |
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| F23B 30/04 | UGR2 | | . . | with fuel-supporting surfaces that are rotatable around a horizontal or inclined axis and support the fuel on their inside, e.g. cylindrical grates [2006.01] |
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| F23B 30/06 | UGR2 | | . . | with fuel-supporting surfaces that are specially adapted for advancing the fuel through the combustion zone [2006.01] |
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| F23B 30/08 | UGR3 | | . . . | with fuel-supporting surfaces that move through the combustion zone, e.g. with chain grates [2006.01] |
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| F23B 30/10 | UGR3 | | . . . | with fuel-supporting surfaces having fuel advancing elements that are movable, but remain essentially in the same place, e.g. with rollers or reciprocating grate bars [2006.01] |
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| F23B 40/00 | HGR | Combustion apparatus with driven means for feeding fuel into the combustion chamber [2006.01] |
| F23B 40/02 | UGR1 | | . | the fuel being fed by scattering over the fuel-supporting surface [2006.01] |
|
| F23B 40/04 | UGR1 | | . | the fuel being fed from below through an opening in the fuel-supporting surface [2006.01] |
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| F23B 40/06 | UGR1 | | . | the fuel being fed along the fuel-supporting surface [2006.01] |
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| F23B 40/08 | UGR2 | | . . | into pot- or trough-shaped grates [2006.01] |
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| F23B 50/00 | HGR | Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone [2006.01] |
| F23B 50/02 | UGR1 | | . | the fuel forming a column, stack or thick layer with the combustion zone at its bottom [2006.01] |
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| F23B 50/04 | UGR2 | | . . | the movement of combustion air and flue gases being substantially transverse to the movement of the fuel [2006.01] |
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| F23B 50/06 | UGR2 | | . . | the flue gases being removed downwards through one or more openings in the fuel-supporting surface [2006.01] |
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| F23B 50/08 | UGR2 | | . . | with fuel-deflecting bodies forming free combustion spaces inside the fuel layer [2006.01] |
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| F23B 50/10 | UGR2 | | . . | with the combustion zone at the bottom of fuel-filled conduits ending at the surface of a fuel bed [2006.01] |
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| F23B 50/12 | UGR1 | | . | the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed [2006.01] |
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| F23B 60/00 | HGR | Combustion apparatus in which the fuel burns essentially without moving [2006.01] |
| F23B 60/02 | UGR1 | | . | with combustion air supplied through a grate [2006.01] |
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| F23B 70/00 | HGR | Combustion apparatus characterised by means for returning solid combustion residues to the combustion chamber [2006.01] |
| F23B 80/00 | HGR | Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel [2006.01] |
| F23B 80/02 | UGR1 | | . | by means for returning flue gases to the combustion chamber or to the combustion zone [2006.01] |
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| F23B 80/04 | UGR1 | | . | by means for guiding the flow of flue gases, e.g. baffles [2006.01] |
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| F23B 90/00 | HGR | Combustion methods not related to a particular type of apparatus [2006.01, 2011.01] |
| F23B 90/02 | UGR1 | | . | Start-up techniques [2011.01] |
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| F23B 90/04 | UGR1 | | . | including secondary combustion (in separate combustion chambers F23B 10/02) [2011.01] |
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| F23B 90/06 | UGR2 | | . . | the primary combustion being a gasification or pyrolysis in a reductive atmosphere [2011.01] |
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| F23B 90/08 | UGR2 | | . . | in the presence of catalytic material [2011.01] |
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| F23B 99/00 | HGR | Subject matter not provided for in other groups of this subclass [2006.01] |
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| F23B 101/00 | HGR | Adaptation of combustion apparatus to boilers in which the combustion chamber is situated inside the boiler vessel, e.g. surrounded by cooled surfaces [2006.01] |
| F23B 103/00 | HGR | Adaptation of combustion apparatus for placement in or against an opening of a boiler, e.g. for replacing an oil burner [2006.01] |
| F23B 103/02 | UGR1 | | . | for producing an essentially horizontal flame [2006.01] |
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