Cylinder fuel injection type two-cycle internal combustion engin

Internal-combustion engines – Precombustion and main combustion chambers in series – Two-cycle

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Details

123276, 123305, F02B 2310

Patent

active

053299027

ABSTRACT:
Embodiments of two-cycle crankcase compression direct injected internal combustion engines that permit good firing and effective stratification, particularly at low speed, low load conditions. The engine defines a combustion chamber having a recess with a projection extending into the center of the recess and against which fuel is injected by a fuel injector as the piston approaches top dead center at idle. The spark plug firing is initiated prior to completion of the fuel injection.

REFERENCES:
patent: 4770138 (1988-09-01), Onishi
patent: 4920937 (1990-05-01), Sasaki et al.

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