F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
123/37, 172/4
F01N 3/20 (2006.01) B01D 53/94 (2006.01) F01N 3/18 (2006.01) F02M 59/38 (2006.01)
Patent
CA 1169726
Ammonia/Fuel Ratio Control System For Reducing Nitroqen Oxide Emissions Abstract A method and apparatus is disclosed for efficiently reducing the amounts of nitrogen oxides contained in a combusted gas stream from an engine combustion chamber. Ammonia is reliably and instantaneously metered to the combusted gas stream conduit in a preselected proportion to the fuel mass flow rate and only in response to the sensed temperature of the combusted gas stream in the reactor being within a preselected range.
402038
Caterpillar Tractor Co.
Kirby Eades Gale Baker
LandOfFree
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