| abstract |
The utility model provides a kind of crankcase ventilation structure, belongs to locomotive fittings field.It solves the problem of existing under psychro-environment, crankcase Smaller load triton channel freezes.This crankcase ventilation structure, the valve mechanism cover that crankcase includes cylinder head, is arranged in cylinder head, the gs-oil separator for receiving combustion chamber, crankcase waste gas is provided in valve mechanism cover, inlet manifold is set in cylinder head, the air intake duct of connection inlet manifold and combustion chamber is provided in cylinder head, aeration structure includes being arranged in valve mechanism cover and the first passage being connected to gs-oil separator gas outlet, the second channel for being arranged in cylinder head and being connected to air intake duct, and first passage is interconnected with second channel.The utility model entire Smaller load triton channel is completely integrated in inside cylinder head assembly, high temperature heat transfer when being worked by cylinder head completely avoids the risk of Smaller load triton channel freezed in winter, cost is also reduced simultaneously, improves the functional reliability of engine. |