Catalytic method

Details Catalytic method Catalytic method

1997-04-14

1999-04-06

Wolfe, Willis R.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

123673, 123676, 123480, 60274, 60285, 701108, 701109, F02M 5700, F02D 4300

Patent

active

058930396

ABSTRACT:
A catalytic reaction system for promoting hydrocarbon reduction during periods of fuel rich engine operation of a multicylinder internal combustion engine which operates from signals generated by a microprocessor based engine controller. Each cylinder is fueled by an injection means, signalled by the engine controller. The amount of fuel injected into each cylinder may be different, so that each cylinder can be operated at different fuel/air ratios. The microprocessor senses metered air intake, ambient temperatures, engine speed and exhaust gas oxygen content. The sensed information is used to calculate the amount of oxygen needed by the catalytic converter to efficiently remove hydrocarbons and by adjusting the fuel/air ratios in one or more cylinders, effects the quantity of oxygen fed to the exhaust gas.

REFERENCES:
patent: 4201161 (1980-05-01), Sasayama et al.
patent: 4274373 (1981-06-01), Sugasawa et al.
patent: 5131224 (1992-07-01), Siewert et al.
patent: 5452576 (1995-09-01), Hamburg et al.

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