Method of and system for controlling fuel/air ratio in an intern

Details Method of and system for controlling fuel/air ratio in an intern Method of and system for controlling fuel/air ratio in an intern

1977-05-23

1979-01-16

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119D, F02M 2304, F02D 104, F02D 3300

Patent

active

041343751

ABSTRACT:
In an internal combustion engine having a carburetor, a mixture ratio control system by means of which the fuel-to-air ratio of the combustible mixture to be produced in the carburetor is regulated toward a predetermined target value and furthermore the pressure in the fuel delivery circuit of the carburetor is temporarily increased or decreased at an incipient stage during a period of time for which the fuel-to-air ratio of the mixture as detected from the exhaust gases resulting from the mixture is reduced below or increased beyond the predetermined target value.

REFERENCES:
patent: 3921612 (1975-11-01), Aono
patent: 4027637 (1977-06-01), Aono
patent: 4052968 (1977-10-01), Hattori et al.
patent: 4056932 (1977-11-01), Nakamura et al.
patent: 4057042 (1977-11-01), Aono
patent: 4065920 (1978-01-01), Minami et al.

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