Engine combustion condition detecting system and method

Details Engine combustion condition detecting system and method Engine combustion condition detecting system and method

1985-09-30

1987-07-14

Cox, Ronald B.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123435, F02P 504

Patent

active

046795367

ABSTRACT:
Pressure within an engine combustion chamber is sensed. The timing at which the sensed pressure peaks is detected, and the interval between the moment of spark generation and the detected timing of the pressure peak is measured. The presently detected timing of the pressure peak is selectively adopted or ignored in accordance with the measured interval. When the presently detected timing of the pressure peak is ignored, the previously accepted timing value of the pressure peak is adopted in its place.

REFERENCES:
patent: 3875912 (1975-04-01), Bucco
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patent: 3957023 (1976-05-01), Peterson
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patent: 4131097 (1978-12-01), Sawada
patent: 4153019 (1979-05-01), Laubenstein
patent: 4449501 (1984-05-01), Greeves
patent: 4455980 (1984-06-01), Sasayama

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