Internal combustion engine, particularly a diesel engine

摘要

An internal combustion engine, in particular a Diesel engine, comprising at least one inlet duct consisting of a delivery portion and an adjoining duct portion wound spiral-fashion around the shaft of the associated intake valve, the upper wall of which bulges downwardly at the point of transition from the delivery portion to the spiral-shaped duct portion in such a manner that the cross-sectional area of the inlet duct is reduced above the valve diameter extending at a right angle in relation to the axis of the delivery portion.