Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto

Child Classifications

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• F02D 29/02 peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
• F02D 29/04 peculiar to engines driving pumps
• F02D 29/06 peculiar to engines driving electric generators