BURNERS

Introduced: September 1968

Description

F23D covers the design and construction of burners used in combustion apparatus for heating, power generation, and other thermal applications. This subclass includes gas burners, oil burners, pulverized fuel burners, and combination fuel burners, along with their structural components such as fuel injection systems, air supply mechanisms, and flame stabilization devices. The classification encompasses burner types ranging from domestic appliances to industrial furnaces and boilers, but excludes the overall combustion apparatus design (covered by F23B) and specific combustion process control methods (covered by F23N).

CPC subdivides this area 3x more granularly than IPC with 16 additional codes.

16 codes are CPC-only extensions.

Note: 16 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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F23D 1/00 Burners for combustion of pulverulent fuel +1 CPC IPC+CPC Available in IPC and CPC
F23D 11/00 Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space +3 CPC IPC+CPC Available in IPC and CPC
F23D 14/00 Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid since 1985 IPC+CPC Available in IPC and CPC
F23D 17/00 Burners for combustion simultaneously or alternately of gaseous or liquid or pulverulent fuel +3 CPC IPC+CPC Available in IPC and CPC
F23D 2200/00 Burners for fluid fuel 2nd only CPC only CPC only
F23D 2201/00 Burners adapted for particulate solid or pulverulent fuels 2nd only +3 CPC CPC only CPC only
F23D 2202/00 Liquid fuel burners 2nd only CPC only CPC only
F23D 2203/00 Gaseous fuel burners 2nd only +4 CPC CPC only CPC only
F23D 2204/00 Burners adapted for simultaneous or alternative combustion having more than one fuel supply 2nd only +3 CPC CPC only CPC only
F23D 2205/00 Assemblies of two or more burners, irrespective of fuel type 2nd only CPC only CPC only
F23D 2206/00 Burners for specific applications 2nd only +16 CPC CPC only CPC only
F23D 2207/00 Ignition devices associated with burner 2nd only CPC only CPC only
F23D 2208/00 Control devices associated with burners 2nd only +2 CPC CPC only CPC only
F23D 2209/00 Safety arrangements 2nd only +3 CPC CPC only CPC only
F23D 2210/00 Noise abatement 2nd only +1 CPC CPC only CPC only
F23D 2211/00 Thermal dilatation prevention or compensation 2nd only CPC only CPC only
F23D 2212/00 Burner material specifications 2nd only +3 CPC CPC only CPC only
F23D 2213/00 Burner manufacture specifications 2nd only CPC only CPC only
F23D 2214/00 Cooling 2nd only CPC only CPC only
F23D 23/00 Assemblies of two or more burners (gas burners with provision for a retention flame F23D14/26) IPC+CPC Available in IPC and CPC