Exhaust gas purification

Details Exhaust gas purification Exhaust gas purification

F - Mech Eng,Light,Heat,Weapons

01

N

172/5

F01N 3/10 (2006.01) B01D 53/94 (2006.01) B01J 35/06 (2006.01) B01J 37/02 (2006.01) F01N 3/28 (2006.01) F02B 3/06 (2006.01)

Patent

CA 1165247

-33- ABSTRACT This invention relates to the reduction of smoke and other noxious components contained in gases and in particular exhaust gases. In more detail the invention provides an internal combustion engine including apparatus for reducing pollutants contained in exhaust gases emitted from the engine having at least one exhaust port, the apparatus comprising a casing defining a chamber containing a catalyst, the catalyst including a substrate made from filamentary metallic material in knitted, woven or crushed form, a first layer of a refractory metal oxide applied to the substrate and a second layer of a catalytic material applied to the first layer, the chamber having an inlet in communication with the said exhaust port via which exhaust gas emitted from the engine is lead into the chamber and passed through the catalyst prior to passage through an exhaust system to atmosphere.

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