FIELD: engine building.
SUBSTANCE: invention can be used in the internal combustion engines. Anti-icing device for intake manifold prevents moisture freezing of crankcase gases. Freezing of crankcase gas moisture occurs due to temperature difference with fresh air supplied to high pressure chamber (120) through air intake (130). Crankcase gases come from engine crankcase into chamber of increased pressure of intake manifold via gas inlet branch pipe (142) and branch pipe (141) of forced crankcase ventilation system (PCV system). Anti-icing device includes guide element (200) and connection means for installation of guide element into intake manifold. Guide element is located in the chamber of increased pressure (120). Guide element serves to direct crankcase gases from the gas inlet branch pipe (142) into the pressure chamber in a direction different from that of air intake (130) to prevent contact with fresh air.
EFFECT: technical result consists in prevention of freezing of gas inlet branch pipe.
14 cl, 17 dwg
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