FIELD: engine building.
SUBSTANCE: invention can be used in the internal combustion engines. System (10) for permanent ventilation of crankcase with atmospheric air is intended for internal combustion engine (12) having crankcase (14) and intake manifold (26) with air intake. Proposed system comprises built-in vacuum drive (44), drive channel (46), oil separator (48), oil separator channel (52), oil separator valve (54), bypass channel (56), and bypass valve (58). Vacuum drive (44) is connected to intake manifold (26). Drive channel (46) is arranged between drive (44) and air intake. Oil separator (48) is connected to crankcase (14). Channel (52) of oil separator and valve (54) of oil separator are made between oil separator (44) and intake manifold (26). Bypass channel (56) and bypass valve (58) are arranged between channel (52) of oil separator and channel (46) of drive. Disclosed are system of permanent ventilation of crankcase with atmospheric air for internal combustion engine and method of providing constant ventilation of crankcase with atmospheric air for internal combustion engine.
EFFECT: technical result consists in provision of constant and considerable amount of atmospheric air supply to engine casing irrespective of engine load conditions.
20 cl, 2 dwg
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