(0)F23C:0/0:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
COMBUSTION APPARATUS USING FLUENT FUEL
F23C
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F 23 C

 COMBUSTION APPARATUS USING FLUENT FUEL (combustion apparatus for solid fuel only F 23 B; burners F 23 D; constructional details of combustion chambers not otherwise provided for F 23 M ; combustion chambers for generating combustion products of high pressure or high velocity F 23 R)

 

 

 
 

 1
/ 00 Combustion apparatus for burning two or more kinds of fuel simultaneously or alternatively, at least one kind of fuel being fluent (with after-burning arrangements F 23 C 9/00; one kind being for ignition of the other F 23 Q)

1
/ 02 • lump or liquid fuel  

1
/ 04 • lump or gaseous fuel  

1
/ 06 • lump or pulverulent fuel  

1
/ 08 • liquid or gaseous fuel  

1
/ 10 • liquid or pulverulent fuel  

1
/ 12 • gaseous or pulverulent fuel  
 

 3
/ 00 Combustion apparatus characterised by the shape of the combustion chamber
 

 5
/ 00 Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus (F 23 C 1/00, F 23 C 11/04 take precedence)

5
/ 02 • Structural details of mounting  

5
/ 06 • • Provision for adjustment of burner position during operation  

5
/ 08 • Disposition of burners  

5
/ 14 • • to obtain a single flame of concentrated or substantially planar form, e.g. pencil or sheet flame (F 23 C 5/32 takes precedence) [3]  

5
/ 24 • • to obtain a loop flame  

5
/ 28 • • to obtain flames in opposing directions, e.g. impacting flames  

5
/ 32 • • to obtain rotating flames, i.e. flames moving helically or spirally [3]  
 

 6
/ 00 Combustion apparatus characterised by the combination of two or more combustion chambers [3]

6
/ 02 • in parallel arrangement [3]  

6
/ 04 • in series connection (consuming smoke or fumes in separate combustion apparatus F 23 G 7/06) [3]  
 

 7
/ 00 Air-supply arrangements (in general F 23 L)

7
/ 02 • Disposition of air supply not passing through burner (to obtain a cyclonic tapering flame when burning pulverulent fuel F 23 C 5/32)  

7
/ 04 • • to obtain maximum heat transfer to wall of combustion chamber  

7
/ 06 • • for heating the incoming air (arrangements of regenerators or recuperators F 23 L 15/00)  

7
/ 08 • • • indirectly by a secondary fluid other than the combustion products  
 

 9
/ 00 Combustion apparatus with arrangements for recycling or recirculating combustion products or flue gases

9
/ 06 • for completing combustion [3]  

9
/ 08 • for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber [3]  
 

 11
/ 00 Other combustion apparatus using fluent fuel

11
/ 02 • with fluidised bed [3]  

11
/ 04 • Combustion apparatus for producing resonant combustion (for generating combustion products of high pressure or high velocity F 23 R) [3]