Blow-by gas pollution control device for e.g. diesel engine, has oil return system that comprises oil storage unit outside engine oil pan and connected to direct injection system in engine

摘要

The device has a conduit (6) supplying blow-by gas to a filtration unit (7) which separates oil particles from the gas. An oil return system has an oil storage unit (9) outside an engine oil pan and connected to a direct injection system in an engine. A pipe (8) supplies filtered blow-by gas to a gas inlet circuit (2) of the engine, where the circuit has an exhaust gas recirculation valve.