Air/fuel ratio controller
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United States of America Patent
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Dec 23, 1980
Grant Date -
N/A
app pub date -
Aug 29, 1978
filing date -
Aug 29, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An internal combustion engine has a fuel injection pump and an air/fuel ratio controller. The controller has a lever that is connected to the pump lever. An aneroid moves the controller lever as a function of changes in intake manifold vacuum to maintain a constant air/fuel ratio to the mixture charge. A fuel enrichment linkage is provided that modifies the movement of the fuel flow control lever by the aneroid in response to changes in manifold gas temperature levels and exhaust gas recirculation to maintain the constant air/fuel ratio. A manual override is provided to obtain a richer air/fuel ratio for maximum acceleration.
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