F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
341/38.13
F02D 41/14 (2006.01) F02D 41/00 (2006.01) F02B 1/04 (2006.01)
Patent
CA 2018607
MULTI-FUEL ENGINE CONTROL WITH OXYGEN SENSOR SIGNAL REFERENCE CONTROL Abstract of the Disclosure A fuel control for an engine using a liquid fuel mixture of two fuels such as gasoline and methanol acts in closed loop on a vehicle exhaust mounted oxygen sensor to maintain a stoichiometric air/fuel ratio. The closed loop portion of the control compares the oxygen sensor output voltage to a reference or reference window in the process of indicating a lean or rich mixture; and the fuel control is responsive to a fuel composition sensor to shift the reference or reference window with changing fuel composition to maintain a consistent relationship between the reference or reference window and stoichiometry as the fuel composition changes.
Brown David Brian
Gonze Eugene Victor
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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