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PCE
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DIFF Subgroup
F23R 3/46

Combustion chambers comprising an annular arrangement of flame tubes within a common annular casing or within individual casings

Introduced: January 1980

Full Title

Continuous combustion chambers using liquid or gaseous fuel > characterised by the arrangement or form of the flame tubes or combustion chambers > Combustion chambers comprising an annular arrangement of flame tubes within a common annular casing or within individual casings

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • F23R 3/48 Flame tube interconnectors, e.g. cross-over tubes since 1980 IPC+CPC Available in IPC and CPC