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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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CONSTRUCTIONAL DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR (construction or support of tube walls for steam boilers F22B; generating combustion products of high pressure or high velocity F23R)
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Firebridges (baffles non confining the fire F23M 9/06)
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F23M 3/02
.
modified for circulation of fluids, e.g. air, steam, water
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F23M 3/04
. .
for delivery of gas, e.g. air, steam
F23M 3/06
. . .
into or towards fire
F23M 3/08
. . .
away from fire, e.g. towards smoke outlet
F23M 3/10
. . .
transversely
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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
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Casings; Linings; Walls (casings, linings, or walls of heat-treatment chambers of ovens, kilns, or retorts F27D)
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F23M 5/02
.
characterised by the shape of the bricks or blocks used (ceramic materials C04B 33/00, C04B 35/00)
F23M 5/025
. .
{
specially adapted for burner openings
}
F23M 5/04
.
Supports for linings
F23M 5/06
.
Crowns or roofs for combustion chambers (F23M 5/02, F23M 5/04 take precedence)
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F23M 5/08
.
Cooling thereof; Tube walls
F23M 5/085
. .
{
using air or other gas as the cooling medium
}
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Doors specially adapted for combustion chambers (in general E06B; for flues or smoke-boxes F23J 13/08)
F23M 7/02
.
Frames therefor
F23M 7/04
.
Cooling doors or door frames
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Baffles or deflectors for air or combustion products; Flame shields
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F23M 9/003
.
{
in flue gas ducts
}
F23M 9/006
. .
{
Backflow diverters
}
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)
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F23M 11/00
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
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F23M 11/04
.
Means for supervising combustion, e.g. window (alarm systems G08B)
F23M 11/042
. .
{
Viewing ports of windows
}
F23M 11/045
. .
{
by oberving the flame
}
F23M 11/047
. .
{
by observing the flue gas (controlling combustion using gas detectors F23N 5/003)
}
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F23M 99/00
Subject matter not provided for in other groups of this subclass,
{
e.g. heat storage from flames
}
F23M 99/005
.
{
Noise absorbing means
}
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F23M 2700/00
Constructional details of combustion chambers
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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
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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
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013