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)

Child Classifications

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• F02D 19/02 peculiar to engines working with gaseous fuels +3 CPC IPC+CPC Available in IPC and CPC
• F02D 19/04 peculiar to engines working with solid fuels, e.g. pulverised coal IPC+CPC Available in IPC and CPC
• F02D 19/06 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 +6 CPC IPC+CPC Available in IPC and CPC
• F02D 19/12 peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel IPC+CPC Available in IPC and CPC