Supplementary fuel supply for a carbureted engine
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United States of America Patent
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app pub date -
Oct 13, 2006
filing date -
Nov 18, 2004
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Abandoned
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Abstract
A method includes controlling supply of supplementary fuel through a supplementary fuel supply passage in a carburetor to an engine. Engine cranking is sensed, and the supply of the supplementary fuel is prevented when the engine cranking reaches a prescribed number of revolutions. Accordingly, an excessive amount of fuel is not supplied to the engine when the engine fails to start, so that flooding of an engine spark plug can be avoided and the possibility of successfully starting the engine by subsequent engine cranking is increased.
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