Two-stroke internal-combustion engine

Details Two-stroke internal-combustion engine Two-stroke internal-combustion engine

1983-07-25

1984-09-04

Burns, Wendell E.

Internal-combustion engines

Two-cycle

Rear compression

123 73A, 123 74R, 123430, 123DIG4, F02B 3304, F02B 3314, F02B 2520, F24B 1304

Patent

active

044690541

ABSTRACT:
An engine comprising one pair of scavenge ports alternately covered and uncovered by a piston, a richer air-fuel mixture and a leaner air-fuel mixture being separately fed into the cylinder from the scavenge ports, the richer air-fuel mixture flowing into the cylinder towards the inner wall thereof, located opposite the exhaust port, and the leaner air-fuel mixture flowing into the cylinder so that it overlays the richer air-fuel mixture.

REFERENCES:
patent: Re27367 (1972-05-01), Von Seggern
patent: 3916851 (1975-11-01), Otani
patent: 3923019 (1975-12-01), Yamada
patent: 3934562 (1976-01-01), Isaka
patent: 4248185 (1981-02-01), Saulmes
patent: 4253433 (1981-03-01), Blair

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