F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/3
F01N 3/02 (2006.01) B01D 50/00 (2006.01) F01N 1/12 (2006.01) F01N 3/021 (2006.01) F01N 3/033 (2006.01) F01N 3/037 (2006.01) F01N 13/02 (2010.01)
Patent
CA 1107655
ABSTRACT Lead particles are removed from the exhaust gases of an internal combustion engine by deflecting the gases radially through holes in an inlet pipe to impinge on a wire mesh or expanded metal packing in a first annular chamber for absorption of lead particles, the gases then passing through a chamber in which a helical vortex flow is imparted to the gases, which then enter a convergent duct, backed by a further porous packing, where centrifugal separation of further lead particles takes place, accompanied by a reversal of the gas flow direction, followed by axial straightening of the gas flow before discharge of the gases into an axial outlet pipe.
318579
D'adda Camillo
Urbinati Mario
Fiat Societa Per Azioni
Macrae & Co.
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