Light-weight compact diesel engine

Details Light-weight compact diesel engine Light-weight compact diesel engine

2006-07-24

2008-10-21

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Precombustion and main combustion chambers in series

Piston shape complements precombustion chamber discharge

C123S257000

Reexamination Certificate

active

07438044

ABSTRACT:
Disclosed is a diesel engine comprising a cylinder head; a combustion chamber within the cylinder head, the combustion chamber being in the shape of a bowl; and a piston having a piston crown, the piston crown having a dome-shape for protruding within the cylinder head during a combustion operation near or at top dead center. The engine is preferably a two stroke crankcase compression engine. Use of a combustion chamber in the shape of a shallow bowl along with other parameter selection decreases the rates of combustion pressure rise while providing reasonable power output.

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