Direct injection type diesel engine

Details Direct injection type diesel engine Direct injection type diesel engine

1980-05-09

1982-01-19

Cox, Ronald B.

Internal-combustion engines

Precombustion and main combustion chambers in series

Piston carried precombustion chamber

F02B 300

Patent

active

043111220

ABSTRACT:
A direct injection type diesel engine including a piston having a toroidal combustion chamber wherein the ratio of the diameter of the opening of the combustion chamber to the diameter of the piston, the ratio of the diameter of the opening of the combustion chamber to the depth of the combustion chamber, the ratio of the distance between the top of a toroid of the combustion chamber and the surface of the opening of the combustion chamber to the depth of the combustion chamber and the angle of inclination of a peripheral wall of the combustion chamber with respect to the axis of the piston are each in a predetermined range of values. By these features, the problems with regard to noise and coloring of the exhaust emissions can be obviated without adversely affecting the performance of the engine.

REFERENCES:
patent: 2205493 (1940-06-01), Saurer
patent: 4164913 (1979-08-01), Komiyama
patent: 4207843 (1980-06-01), List

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