F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/4
F01N 3/18 (2006.01) F01N 3/20 (2006.01) F02B 43/00 (2006.01) F02B 51/02 (2006.01) F02B 1/04 (2006.01)
Patent
CA 2037690
METHOD FOR REDUCING METHANE EXHAUST EMISSIONS FROM NATURAL GAS FUELED ENGINES Abstract of the Disclosure High conversion efficiencies for methane, other unburned hydrocarbons, carbon monoxide and nitrogen oxides can be obtained from a natural gas or methane fueled engine by operating the engine with an air-fuel ratio within a range that includes the stoichiometric air-fuel ratio and extends to the fuel-rich side and by employing in combination with the engine a platinum or platinum and palladium noble metal catalyst for treatment of the engine exhaust gases.
Mitchell Patricia Jean
Siewert Robert Munro
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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