Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber (fluidised bed combustion apparatus with means for recirculation of particles entrained from the bed F23C10/02; fluidised bed combustion apparatus with devices for removal and partial reintroduction of material from the bed F23C10/26)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber

CPC: Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber (fluidised bed combustion apparatus with means for recirculation of particles entrained from the bed F23C10/02; fluidised bed combustion apparatus with devices for removal and partial reintroduction of material from the bed F23C10/26)

Full Title

Full titles differ between systems:

IPC:

Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber

CPC:

Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber (fluidised bed combustion apparatus with means for recirculation of particles entrained from the bed F23C10/02; fluidised bed combustion apparatus with devices for removal and partial reintroduction of material from the bed F23C10/26)

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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F23C 9/003 CPC only CPC only
F23C 9/006 CPC only CPC only
F23C 9/06 for completing combustion since 1980 IPC+CPC Available in IPC and CPC
F23C 9/08 for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber since 1980 IPC+CPC Available in IPC and CPC