INTERNAL COMBUSTION ENGINE WITH AN AIR INLET SYSTEM Russian patent published in 2020 - IPC F02M35/00 F02M35/10 F02M35/104 F02M35/12 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, particularly, to engine building, namely to air supply systems for implementation of internal combustion engine (ICE) working process. Internal combustion engine with an air inlet system comprising an inlet route supplying the fuel mixture to the engine cylinders, consisting of a device for feeding fuel into the engine cylinders, receiver (1), which is connected by main pipe to chamber air cleaner, to which air intake branch pipe (6) is connected, which is limited by inlet cut (7). At that, in wall of branch pipe there are row-by-through compensation holes (9) arranged regularly along circumference of air intake branch pipe, in plane perpendicular to axis of branch pipe, spaced from inlet cut at distance making quarter of length of air intake pipe, taking into account dynamic elongation of branch pipe Δ, where Δ corresponds to 0.3 sum of inner diameters of cross-section of both branches of branch pipe, and total area of row of compensation holes ∑Fhol is 0.03…0.04 Fiab, where Fiab is the cross-section area of inlet section of the air intake branch pipe.

EFFECT: reduced noise from process of engine operation at air inlet phase in ICE.

1 cl, 11 dwg