Two-stroke I.C. engine with a super charger

Details Two-stroke I.C. engine with a super charger Two-stroke I.C. engine with a super charger

1991-10-18

1992-11-17

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 73S, F02M 3500

Patent

active

051633884

ABSTRACT:
The invention relates to a more complex but considerably more emission-poor two-stroke engine than the conventional one. The HC-emissions become zero when completely burned. CO is controlled by the mixture ratio and NO.sub.x becomes very low owing to the built-in EGR.
A super charger (20) presses air through the cylinder after the power stroke and dilutes the exhaust gases. A carburettor unit (21) is fed by the super charger and presses an overrich gas mixture into the cylinder at the beginning of the compression stroke. A slide gate (22) controls the connection between the carburettor unit and the cylinder.

REFERENCES:
patent: 2140503 (1938-12-01), Beckman
patent: 2987055 (1961-06-01), Grauel et al.
patent: 3104656 (1963-09-01), Landrum
patent: 3680305 (1972-08-01), Miller
patent: 4236490 (1980-12-01), Correll
patent: 4248185 (1981-02-01), Jaulmes

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