Adjustable electronic fuel management system for vehicle engines
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United States of America Patent
Stats
-
Mar 23, 1993
Grant Date -
N/A
app pub date -
Jun 18, 1992
filing date -
Jun 18, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel management system for reducing pollution when an internal combustion engine is at idle includes a flow control valve located between the fuel tank and the float bowl of the carburetor to reduce the amount of fuel entering the carburetor. A pump is also provided between the fuel tank and the float bowl for removing the existing fuel from the float bowl and conveying it back to the fuel tank when the engine is at idle. The flow control valve in its reduced flow state and the pump are inactivated until the engine reaches a predetermined pressure at which time the existing fuel would be removed by the pump from the float bowl and the flow control valve would permit only a reduced flow of fuel to be conveyed to the float bowl sufficient to keep the engine running.
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