FIELD: engine engineering. SUBSTANCE: cylinder bank has plate 4 with openings for sleeves 3 of cylinders which define cooling space together with the walls of the bank. Cylindrical openings 5 provided with plugs 6 are made in the longitudinal walls of the bank opposite to each cylinder. The openings are filled with vibration absorbing composition 9. The diameter of opening 5 is equal to the piston stroke. The distance from plate 4 to axis of each opening 5 is equal to the opening radius. Bosses 16 are made in the bank walls between openings 5. The bosses are extended over the whole height of the openings. The width of the bosses is grater than the width of the walls of cylinder bank 1 at any cross- section. EFFECT: improved silencing. 4 dwg
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