Combustion chamber of a direct fuel injection type diesel engine

Details Combustion chamber of a direct fuel injection type diesel engine Combustion chamber of a direct fuel injection type diesel engine

1974-07-19

1976-03-23

Myhre, Charles J.

Internal-combustion engines

Noncompression

123193P, 123 32ST, F02B 2306

Patent

active

039453510

ABSTRACT:
A combustion chamber of a direct fuel injection type diesel engine has a cavity at the crown of a piston, within which a swirl occurs and onto which fuel is injected from a multi-orifice fuel injection nozzle toward a inner side wall of the cavity. The cavity is regular polygonal in horizontal cross-section. The inner side wall is so inclined inwardly of the cavity as to provide a restriction at the opening of the cavity. The inner side wall and the injection nozzle are so arranged that the fuel jet is distributed to the downstream side of the swirl after being impinged the inner side wall, whereby the distribution of the injected fuel is improved to provide ideal mixture in the cavity, resulting in reduced amount of pollutant emissions.

REFERENCES:
patent: 2828724 (1958-04-01), Schneider
patent: 2855906 (1958-10-01), Galli
patent: 2975773 (1961-03-01), Meurer
patent: 3020898 (1962-02-01), Hartmann
patent: 3302627 (1967-02-01), Morris
patent: 3374773 (1968-03-01), Scherenberg

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