F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
23/342
F01N 3/08 (2006.01) F01N 3/20 (2006.01) F01N 3/28 (2006.01) F01N 13/02 (2010.01) F01N 3/30 (2006.01)
Patent
CA 1205980
C-3,447 D-6,669 METHOD FOR CONTROL OF ALDEHYDE AND UNBURNED FUEL EMISSIONS FROM ALCOHOL-FUELED VEHICLES Abstract of the Disclosure A method for treating exhaust of an alcohol- fueled engine is disclosed in which the exhaust, at least following cold start and during engine warm-up, is passed through a dual bed converter consisting of a zeolite adsorbent followed by an oxidation catalyst. The zeolite adsorbs and holds unburned fuel and alde- hydes until the catalyst is heated to its operating temperature.
431457
Harris Stephen J.
Mccabe Robert W.
Mitchell Patricia J.
General Motors Corporation
Gowling Lafleur Henderson Llp
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