| Outline |
Indent Level
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| Color | Curly Brackets (indicating CPC extensions to IPC) | |
CPC | COOPERATIVE PATENT CLASSIFICATION | ||
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| Firebridges (baffles non confining the fire F23M 9/06) |
| F23M 3/02 | . | modified for circulation of fluids, e.g. air, steam, water |
| F23M 3/12 | . | characterised by shape or construction (F23M 3/02 takes precedence) |
F23M 3/14 | . . | with apertures for passage of combustion products |
F23M 3/16 | . . | built-up in sections, e.g. using bars or blocks |
F23M 3/18 | . . | double; multiple |
F23M 3/20 | . . | comprising loose refractory material, wholly or in part |
F23M 3/22 | . | movable; adjustable |
| Casings; Linings; Walls (casings, linings, or walls of heat-treatment chambers of ovens, kilns, or retorts F27D) |
| F23M 5/02 | . | characterised by the shape of the bricks or blocks used (ceramic materials C04B 33/00, C04B 35/00) |
F23M 5/04 | . | Supports for linings |
F23M 5/06 | . |
| F23M 5/08 | . | Cooling thereof; Tube walls |
| Doors specially adapted for combustion chambers (in general E06B; for flues or smoke-boxes F23J 13/08) |
| Baffles or deflectors for air or combustion products; Flame shields |
| F23M 9/003 | . | { in flue gas ducts} |
F23M 9/02 | . | in air inlets |
F23M 9/04 | . | with air-supply passages in the baffle or shield |
F23M 9/06 | . | in fire-boxes |
F23M 9/08 | . | Helical or twisted baffles or deflectors |
F23M 9/10 | . | Baffles or deflectors formed as tubes, e.g. in water-tube boilers (interconnection of such tubes in boilers for fluid flow F22) |
| Safety arrangements (by controlling combustion F23N 5/24) |
F23M 11/02 | . | Preventing emission of flames or hot gases, or admission of air, through working or charging apertures |
| F23M 11/04 | . | Means for supervising combustion, e.g. window (alarm systems G08B) |
| Subject matter not provided for in other groups of this subclass, { e.g. heat storage from flames} |
| F23M 2700/00 | Constructional details of combustion chambers |
| F23M 2700/005 | . | Structures of combustion chambers or smoke ducts |
F23M 2700/0053 | . . | Bricks for combustion chamber walls |
F23M 2700/0056 | . . | Bricks for water tube combustion chamber walls |
F23M 2700/007 | . | Automatic fire extinguishing devices |
F23M 2700/008 | . | Preventing outwards emission of flames or hot gases |
| F23M 2900/00 | Special features of, or arrangements for combustion chambers |
F23M 2900/05001 | . | Preventing corrosion by using special lining materials or other techniques |
F23M 2900/05002 | . | Means for accommodate thermal expansion of the wall liner |
F23M 2900/05003 | . | Details of manufacturing specially adapted for combustion chambers |
F23M 2900/05004 | . | Special materials for walls or lining |
F23M 2900/05005 | . | Sealing means between wall tiles or panels |
F23M 2900/05021 | . | Wall blocks adapted for burner openings |
F23M 2900/09061 | . | Moving baffles, e.g. rotating baffles, for creating vortices |
F23M 2900/09062 | . | Tube-shaped baffles confining the flame (flame tubes forming part of the burner head F23D 2900/11403) |
F23M 2900/11021 | . | Means for avoiding accidental fires in rooms where the combustion device is located |
F23M 2900/11041 | . | Means for observing or monitoring flames using photoelectric devices, e.g. phototransistors |
F23M 2900/13001 | . | Energy recovery by fuel cells arranged in the combustion plant |
F23M 2900/13002 | . | Energy recovery by heat storage elements arranged in the combustion chamber |
F23M 2900/13003 | . | Energy recovery by thermoelectric elements, e.g. by Peltier/Seebeck effect, arranged in the combustion plant |
F23M 2900/13004 | . | Energy recovery by thermo-photo-voltaic (TPV) elements arranged in the combustion plant |
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Last Modified: 04/16/2013 4:31:16 PM