Combustion chamber

Details Combustion chamber Combustion chamber

2005-08-30

2005-08-30

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

C123S193600, C123S276000

Reexamination Certificate

active

06935301

ABSTRACT:
A combustion chamber assembly for use in a diesel engine, includes a combustion chamber having a lower portion and an upper portion and being defined in a crown of a piston, the combustion chamber lower portion being formed of a plurality of spherical and annular surfaces having smooth annular transitions; and the combustion chamber upper portion having at least one step defining a flat surface and defining a transition between the lower portion and the crown. A piston incorporating the combustion chamber assembly and a method for forming the combustion chamber assembly are further included.

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