Liquid fuel economising device for internal combustion engines with carburettor

摘要

A liquid fuel economising device for internal combustion engines with carburettor contains a bush-shaped cylindrical member (10) which is provided on its inside with helically running ribs (12) and is inserted into the feed duct (1, 3), by way of which the fuel-air mixture is fed to the engine. The member is located downstream of the carburettor and can be rotated about an axis running parallel to the direction of flow of the fuel-air mixture. IMAGE