Method and device for forming mixture gas in direct injection ty

Details Method and device for forming mixture gas in direct injection ty Method and device for forming mixture gas in direct injection ty

1984-10-30

1987-08-11

Argenbright, Tony M.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having combustible mixture forming means

123263, F02B 1908

Patent

active

046854320

ABSTRACT:
A method and device for forming mixture gas for a direct fuel injection type internal combustion engine, which has a piston with a recess forming a combustion space, air intake means with swirling means for switching intake air to be supplied into the combustion chamber, and an intermittent swirl injector nozzle having at least one tangential passage for swirling fuel supplied through fuel supplying means to the combustion chamber, to jet the fuel in conical form to the swirling intake air, to form a mixture gas, and which comprises the steps of supplying swirling intake air into the combustion space, the swirling intake air having a swirl speed in conformance to the speed of the internal combustion engine, and spraying fuel from the swirl injection nozzle onto the swirling intake air in the combustion space at a fuel spray angle varied in response to the engine speed, thereby controlling the spray travel distance of the fuel and allowing the fuel to float in the combustion space without being stuck onto a wall of the combustion space under a wide range of operating conditions of the engine.

REFERENCES:
patent: 4401071 (1983-08-01), Zurner et al.
patent: 4492193 (1985-01-01), Neitz
patent: 4522172 (1985-06-01), Oshima et al.

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