Method and apparatus for maintaining optimum oxygen level in com

Internal-combustion engines – Charge forming device – Multiple carburetors

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123585, F02M 2300

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active

049600982

ABSTRACT:
A method and apparatus for maintaining the optimum oxygen level in a power plant, such as, an internal combustion engine comprises a combination of a pollutant sensor associated with the exhaust of the engine to generate electrical signals proportional to the level of pollutants in the exhaust stream, a supplementary oxygen source and a flow control valve which is responsive to the signal generated by the pollutant sensor to open the valve for flow of oxygen at a flow rate proportional to the electrical signal until the pollutant level is reduced to a predetermined value.

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