Exhaust gas temperature detection for fuel control systems

Details Exhaust gas temperature detection for fuel control systems Exhaust gas temperature detection for fuel control systems

1977-05-09

1979-01-02

Myhre, Charles J.

Internal-combustion engines

Noncompression

123119EC, 60276, 60285, F02B 308, F02M 712

Patent

active

041321936

ABSTRACT:
An exhaust gas sensor is provided to generate a signal representing the air-fuel ratio within the exhaust system. The deviation of the air-fuel ratio from the average value of the sensor output is detected by a comparator. The time integral value is momentarily offset when the sensor reaches its operating temperature range so that the output from the comparator takes a definite value for quickly starting closed control operation.

REFERENCES:
patent: 3745768 (1973-07-01), Zechnall et al.
patent: 3938075 (1976-02-01), Reddy
patent: 3938479 (1976-02-01), Oberstadt

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