Control for direct injected two cycle engine

Details Control for direct injected two cycle engine Control for direct injected two cycle engine

1998-11-10

2000-05-09

Gimie, Mahmoud M.

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

123 73C, F02B 500

Patent

active

060589078

ABSTRACT:
A direct injection system and control methodology for two-cycle crankcase compression engines wherein the injection timing is advanced from those normally utilized to avoid the incomplete combustion that results from the prior art method. The injection timing is advanced so that it occurs while the exhaust port is still open but it is timed in such a way that the injected fuel will not be swept out of the exhaust port before the exhaust port closes. The initiation of injection timing is adjusted in response to certain parameters such as engine speed and the volume of intake air flow. In addition, the effects of other cylinders sharing a common exhaust manifold is also compensated for.

REFERENCES:
patent: 5553579 (1996-09-01), Yoshida et al.
patent: 5638779 (1997-06-01), Atmur et al.
patent: 5699766 (1997-12-01), Saito

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