CPC Subgroup
F02M 31/20 for cooling ( cooling of charging-air or of scavenging-air F02B29/04)
Full Title
Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture (carburettors with heating, cooling or thermal insulating means for combustion-air, fuel or fuel-air mixture F02M15/00; apparatus for de-liquefying non-liquid fuels by heating F02M21/06; apparatus having heating means for non-gaseous fuels with low melting point F02M21/10; apparatus characterised by adding hot secondary air to fuel-air mixture F02M23/14; fuel-injection apparatus characterised by having heating, cooling or thermally insulating means F02M53/00) > for cooling ( cooling of charging-air or of scavenging-air F02B29/04)
1 direct subcode
Child Classifications
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