Closed loop air-fuel ratio control system

Details Closed loop air-fuel ratio control system Closed loop air-fuel ratio control system

1976-12-23

1979-11-20

Jordan, Charles T.

Internal-combustion engines

Noncompression

F02B 300

Patent

active

041746805

ABSTRACT:
A closed loop air-fuel ratio control system for an internal combustion engine is adapted to produce a control signal to be supplied to an air-fuel ratio regulator for regulating the air-fuel ratio of the air-fuel mixture to be supplied to the engine. The control signal is varied in amplitude in dependence on a concentration of a component in the exhaust gases upstream of a converter or reactor in the exhaust system. The control signal is composed of an integral component and a proportional component, the magnitude of the proportional component being dependent on that of the integral component.

REFERENCES:
patent: 3871338 (1975-03-01), Schmidt et al.
patent: 4029061 (1977-06-01), Asano

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