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PCE
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DIFF Subgroup
F02M 31/20

for cooling ( cooling of charging-air or of scavenging-air F02B29/04)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for cooling

CPC: for cooling ( cooling of charging-air or of scavenging-air F02B29/04)

Full Title

Full titles differ between systems:

IPC:

Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture > for cooling

CPC:

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)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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