Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1990-10-04
1992-05-26
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
123568, F02M 2507
Patent
active
051157900
ABSTRACT:
This re-combustion control means for an alcohol engine comprises intake and exhaust valves designed to be opened or closed by virtue of magnetic force that are disposed, respectively, in intake and exhaust ports of cylinders, control valves designed to be opened or closed by virtue of magnetic force that are disposed, respectively, in combustion gas ports communicating with each other via a combustion gas passageway, sensors for detecting a state in which the engine is operated, and a controller for controlling the supply of combustion gas from predetermined cylinders to the other cylinders via the combustion gas passageway in response to a detection signal detected by the sensors. In response to a signal informing that the engine is under partial load, the exhaust valves of the predetermined cylinders are maintained in a closed state with the control valves thereof being operated so as to be opened or closed, while the intake valves of the other cylinders are maintained in a closed state with the control valves thereof being operated so as to be opened or closed so that combustion gas produced in the predetermined cylinders is taken into the cylinders and is re-burned therein for complete combustion, the discharge of unburnt aldehyde or the like being thereby prevented.
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Isuzu Motors Limited
Wolfe Willis R.
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