peculiar to engines driving vehicles; peculiar to engines driving variable-pitch propellers

Full Title

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 > peculiar to engines driving vehicles; peculiar to engines driving variable-pitch propellers

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Subclass:

CONTROLLING COMBUSTION ENGINES