Air-fuel ratio controller

Details Air-fuel ratio controller Air-fuel ratio controller

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Patent

CA 1132416

AIR/FUEL RATIO CONTROLLER ABSTRACT OF THE DISCLOSURE 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.

331047

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