Patent ID: 9046061
Filing Date: 2015-06-02
Classification: B01D,F01N,F02M,Y02T

Abstract:
1. A purifying system for combustive air in an internal combustion engine ( 1 ), the system comprising an intake conduit ( 2 ) of combustive air into the engine ( 1 ), a discharge conduit ( 4 ) of the exhaust gases produced by the engine ( 1 ), and a cyclone separator ( 7 ) associated with the intake conduit ( 2 ) and provided with a detritus collecting tank ( 75 ), a cylindrical link conduit ( 50 ), which has a greater diameter than the discharge conduit ( 4 ) and which is inserted on at least a terminal tract ( 40 ) of the discharge conduit ( 4 ), such that a hollow space ( 80 ), of toroidal section, is defined between the terminal tract ( 40 ) and the link conduit ( 50 ), and a connecting conduit ( 78 ) configured to connect the collecting tank ( 75 ) with the hollow space ( 80 ) by flowing into the link conduit ( 50 ) upstream of an end ( 42 ) of the discharge conduit ( 4 ) with respect to an outflow of the exhaust gases, wherein the terminal tract ( 40 ) of the discharge conduit ( 4 ) is cylindrical along the entire length of the link conduit ( 50 ).