Air/fuel ratio controller

Details Air/fuel ratio controller Air/fuel ratio controller

1978-08-29

1980-12-23

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123382, 123568, F02D 114, F02M 2506

Patent

active

042403952

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.

REFERENCES:
patent: 2486816 (1949-11-01), Beeh
patent: 2914050 (1959-11-01), Reggio
patent: 2989043 (1961-06-01), Reggio
patent: 3906909 (1975-09-01), Garcea
patent: 3963011 (1976-06-01), Saito
patent: 4009700 (1977-03-01), Engels
patent: 4108122 (1978-08-01), Barnard
patent: 4137879 (1979-02-01), Kageyama

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