Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1992-02-18
1993-01-19
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
Fuel injection system
73 6143, 123 1A, F02D 4104, G01N 3322
Patent
active
051799260
ABSTRACT:
An apparatus for discriminating between different types of alcohol contained in alcohol-gasoline fuel mixtures, such as methanol or ethanol, and a fueling system for controlling the quantity of alcohol-gasoline fuel mixture delivered to an internal combustion engine in accordance with type of alcohol determined to be present in the fuel mixture are described. The resistivity of the fuel mixture delivered to the engine is measured using a fuel resistance sensor. Based upon the measured resistivity, the type of alcohol contained in the fuel mixture is determined and indicated. The fuel system then adjusts the quantity of the fuel mixture delivered to the engine based upon the indicated type of alcohol and the sensed alcohol concentration in the fuel mixture.
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Intelligent Alcohol Fuel Sensor, by G. Schmitz, R. Bartz and U. Hilger, SAE Paper No. 900231, 1990
Argenbright Tony M.
Funke Jimmy L.
General Motors Corporation
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