F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
F02P 5/145 (2006.01) F01P 7/16 (2006.01) F02B 29/04 (2006.01) F02D 41/40 (2006.01) F02P 5/14 (2006.01) F01P 5/10 (2006.01)
Patent
CA 2169310
A method for an internal combustion engine controls engine timing as a function of engine load, speed and air intake temperature to reduce engine NOx emissions and/or engine fuel consumption. The method is particularly beneficial to a large, aftercooled turbocharged engine which utilizes a cooling system having a liquid cooled, separate circuit aftercooler (SCAC) to cool the pressurized intake air. By routing the aftercooler circuit and engine coolant circuit through a common or single core radiator, the aftercooler cooling circuit temperature and associated engine air intake temperature are reduced to further reduce engine NOx emissions and/or engine fuel consumption.
Houtz Phillip J.
Weller Brian R.
Caterpillar Inc.
Kirby Eades Gale Baker
LandOfFree
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