Air-fuel ratio control device in an internal combustion engine

Details Air-fuel ratio control device in an internal combustion engine Air-fuel ratio control device in an internal combustion engine

1974-05-07

1976-05-25

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123124R, F02B 3300

Patent

active

039585441

ABSTRACT:
An air-fuel ratio control device for internal combustion engines including a passage having air for adjusting the air-fuel ratio and which flows into an intake manifold disposed downstream of the carburetor, and a control valve in the passage, the control valve having two operating mechanisms for controlling the open area of the valve, one of the operating mechanisms being controlled in response to the throttle valve opening and the other operating mechanism being controlled in response to the exhaust gas composition.

REFERENCES:
patent: 2126071 (1938-08-01), Weiertz et al.
patent: 3683625 (1972-08-01), McCrink
patent: 3738341 (1973-06-01), Loos
patent: 3759232 (1973-09-01), Wahl et al.
patent: 3768259 (1973-10-01), Carnahan

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