Two-stroke cycle gasoline engine

Details Two-stroke cycle gasoline engine Two-stroke cycle gasoline engine

1979-04-20

1984-11-06

Feinberg, Craig R.

Internal-combustion engines

Multiple piston, common nonrestrictive combustion chamber

Four-cycle

123 51BD, 123 65A, 123 70R, 123 73AF, 123 73S, 123 73AE, F02B 2508

Patent

active

044805977

ABSTRACT:
A two-stroke cycle gasoline engine, comprising a power cylinder-piston assembly having a scavenging port configuration including a first scavenging port configuration first uncovered by the power piston as it moves along the power cylinder from its top dead center to its bottom dead center and a second scavenging port configuration uncovered by the power piston as it moves from its top dead center to its bottom dead center immediately after said power piston has completed uncovering the first scavenging port configuration, wherein the general rate relative to piston position in the power cylinder of uncovering of the area of the first scavenging port configuration is substantially lower than that of the second scavenging port configuration, so that the idling and low-load performance of the engine is substantially improved by improving scavenging.

REFERENCES:
patent: 2170020 (1939-08-01), Gerlach
patent: 2195044 (1940-03-01), Zahren
patent: 2347444 (1944-04-01), Vincent
patent: 2844131 (1958-07-01), Beveridge
patent: 3117566 (1964-01-01), Venediger
patent: 3916851 (1975-11-01), Otani

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