Internal-combustion engines – Charge forming device – Including cylinder pressure or temperature responsive means
Patent
1999-09-01
2000-12-12
Kwon, John
Internal-combustion engines
Charge forming device
Including cylinder pressure or temperature responsive means
F02M 700
Patent
active
061584185
ABSTRACT:
A method for controlling delivery of fuel to each cylinder of an engine by adjusting the appropriate fuel valve duration times to each such cylinder based upon a predetermined detonation level. By using the detonation level measurements from each individual cylinder as a controlling parameter, the delivery of fuel to that particular cylinder can be trimmed to achieve the predetermined detonation level. Balancing the detonation level for each such cylinder to a common detonation level likewise produces a substantially identical air/fuel ratio in each such cylinder. The detonation control loop can be initiated at predetermined intervals so as to continuously maintain a balanced air/fuel ratio to each cylinder in any particular engine.
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Brown Scott C.
Willi Martin L.
Caterpillar Inc.
Kwon John
Wilbur R. Carl
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