Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Patent
1997-10-24
2000-05-02
Solis, Erick R.
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
123673, 123691, F02D 4114
Patent
active
060559705
ABSTRACT:
A control system for an outboard motor is disclosed. The control system includes a feedback control which obtains feedback data from a combustion condition sensor. The motor includes an engine positioned in a cowling and having a vertically extending output shaft in driving relation with a water propulsion device of the motor. The engine has at least one combustion chamber and an air/fuel charging system for delivering air and fuel into the combustion chamber for combustion therein. The motor includes an exhaust system for routing exhaust from the engine to a point external to the motor. The exhaust system includes an exhaust passage leading from the chamber to a main exhaust passage which extends vertically downward to an exhaust guide positioned below the engine. A passage leads from the exhaust guide into an expansion chamber and thereon to an exhaust discharge. The feedback control is arranged to adjust the ratio of air and fuel supplied to the combustion chamber and includes a combustion condition sensor mounted to sense exhaust gas flowing through that portion of the exhaust system positioned above the exhaust guide.
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Sanshin Kogyo Kabushiki Kaisha
Solis Erick R.
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