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DIFF Subgroup
F02D 19/08

simultaneously using pluralities of fuels (F02D19/12 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: simultaneously using pluralities of fuels

CPC: simultaneously using pluralities of fuels (F02D19/12 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures > peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed > simultaneously using pluralities of fuels

CPC:

Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures (the non-fuel substances being gaseous F02D21/00) > peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed > simultaneously using pluralities of fuels (F02D19/12 takes precedence)

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

Child Classifications

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  • F02D 19/081 CPC only CPC only