Closed loop air-fuel ratio control system for use with internal

Internal-combustion engines – Noncompression

Patent

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Details

123119EC, 60276, 60285, F02D 502

Patent

active

040194701

ABSTRACT:
In an electronic closed loop control system for optimally controlling the air-fuel mixture fed to an internal combustion engine, two electrical circuits are provided: one for removing cumbersome manual adjustment of a standard signal level for ensuring the system a proper air-fuel ratio control, and the other for ensuring the system a proper control during a certain period after initially energizing the system.

REFERENCES:
patent: 3745768 (1973-07-01), Zechnall
patent: 3939654 (1976-02-01), Creps

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