Method and system for delivering enrichment to an engine
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United States of America Patent
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Oct 15, 2013
Grant Date -
Dec 22, 2011
app pub date -
Jun 22, 2010
filing date -
Jun 22, 2010
priority date (Note) -
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Abstract
The present invention includes an automobile including an enrichment delivery system. The enrichment delivery system includes an engine, a catalytic converter, multiple sensors, a memory, and a control unit. The engine includes an enrichment delivery unit, which delivers base fuel and enrichment to the engine. The engine generates an output which can be received by the catalytic converter. Reactions occur within the catalytic converter, and are outputted by the catalytic converter. The sensors detect an air-fuel ratio from the output of the engine, and the output of a catalytic converter. The sensors detect temperature data for the catalytic converter. The memory stores an enrichment curve indicating that an amount of enrichment supplied to the engine should be gradually increased based on the enrichment curve until a target enrichment amount is reached, or a predetermined target enrichment time is reached.
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