DIESEL ENGINE EXHAUST GASES TWO-STAGE SOOT FILTER Russian patent published in 2005 - IPC

FIELD: mechanical engineering; diesel engines.

SUBSTANCE: invention can be used for cleaning exhaust gases of diesel engines. Proposed two-stage soot filter of diesel engine exhaust system contains housing of rotation chamber with inlet and outlet branch pipes, swirler, soot collector with afterburner and additional filtering element. Housing of rotation chamber is made double-walled, with head isolator placed in space between walls. Soot collector with afterburner is enclosed in cup installed for longitudinal displacement along guides inside cylinder. Control return mechanism is installed in cylinders after soot collector. Return mechanism consists of spring and rod, and additional filtering element is located in space between cylinder and filter housing and is furnished with electric heater.

EFFECT: provision of effective cleaning of exhaust gases from participles of soot, reduced fuel consumption and power losses at different modes of operation of diesel engine, increased service life of filter and its overhaul life.

4 dwg