Control system for air/fuel ratio adjustment system

Details Control system for air/fuel ratio adjustment system Control system for air/fuel ratio adjustment system

1984-07-26

1985-01-29

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

123489, F02B 300

Patent

active

044959192

ABSTRACT:
The invention is concerned with a control system for an air/fuel ratio measurement and adjustment system for an internal combustion engine. In order to restrict operation of the air/fuel ratio measurement and adjustment system to occasions when adjustment is likely to be necessary, it is desirable to operate the system at approximately daily intervals. The control system incorporates an ambient temperature sensor and an engine coolant temperature sensor and is arranged to operate the measurement and adjustment system when the engine is started if the engine coolant temperature does not exceed the ambient temperature by more than a predetermined amount.

REFERENCES:
patent: 4224913 (1980-09-01), Barnard
patent: 4309971 (1982-01-01), Chiesa

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