having secondary air added to fuel-air mixture

Full Title

Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas > peculiar to engines having other non-fuel gas added to combustion-air > having secondary air added to fuel-air mixture

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

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

Subclass:

CONTROLLING COMBUSTION ENGINES