Apparatus for detecting flameout of internal combustion engine

Details Apparatus for detecting flameout of internal combustion engine Apparatus for detecting flameout of internal combustion engine

1991-09-12

1992-11-17

Myracle, Jerry W.

Measuring and testing

Vehicle chassis

Steering

60277, G01M 1500

Patent

active

051633167

ABSTRACT:
An apparatus for detecting a flameout in an internal combustion engine includes a rotational speed sensor for detecting engine rotational speed and for generating an electrical signal corresponding to the engine rotational speed. A sensor is provided for detecting the air-fuel ratio of the engine exhaust gas and for generating an output electrical signal corresponding to the air-fuel ratio. An engine load sensor arrangement detects a load state of the internal combustion engine and generates an output electrical signal corresponding to the load state. A control arrangement is provided for comparing the output signal from the exhaust gas sensor with the output signal from the engine load sensor arrangement when the exhaust gas sensor indicates a lean mixture. The control arrangement uses this comparison information to determine whether a flameout has occurred. The control arrangement is also capable of accommodating a response or delay time associated with the exhaust gas sensor.

REFERENCES:
patent: 3908366 (1975-09-01), Masaki

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