INTERNAL COMBUSTION ENGINE Russian patent published in 2018 - IPC F02B31/04 F02M29/06 

FIELD: internal combustion engines.

SUBSTANCE: invention relates to internal combustion engines equipped with turbochargers and having vanes for swirling air passing through them in the intake ports of the cylinder head. Internal combustion engine comprises a cylinder head with inlet channels in which replaceable branch pipes with helical blades are arranged, the surface of each of which is formed by rotation with respect to the axis of the channel and the displacement along it of the generatrix, intersecting the internal diameter of the channel in such a way that the trace from the intersection of this generatrix with the channel surface forms a screw line, and outlet channels, a turbocharger with screw blades on the compressor and turbine wheels, wherein the helical line on the scan of each inlet channel is made in the form of a smooth curve, that the helical line on the scan of each inlet channel, made in the form of a smooth curve, and the screw line of the compressor and turbine wheel blades, made in the form of a smooth curve, are executed in accordance with the equation possessing the property of the continuous flow of the Bernoulli lemniscate in Cartesian coordinates.

EFFECT: technical result is the reduction of hydraulic resistance in the inlet channels of the cylinder head.

1 cl, 5 dwg