Two-cycle internal combustion engine

Details Two-cycle internal combustion engine Two-cycle internal combustion engine

1980-02-01

1981-07-07

Burns, Wendell E.

Internal-combustion engines

Two-cycle

Rear compression

123 73R, 123 73A, 123 73CB, 123 73AF, 123 69R, 123 69V, 123 56B, F02B 3304

Patent

active

042768586

ABSTRACT:
A two-cycle internal combustion engine includes a power cylinder, a drive piston being positioned therein. A first transfer duct extends between an auxiliary cylinder, which is supplied with carburetted air and the power cylinder and opens thereinto via a carburetted air inlet port provided on the side wall of the power cylinder or its combustion chamber. A pump crankcase, which is supplied with pure air, is connected to the power cylinder via a second transfer duct which opens thereinto via a scavenging inlet port on the side wall of the power cylinder. An exhaust port is provided on the side wall of the power cylinder. The ports are operatively arranged so that the scavenging port starts to open after the exhaust port and before the carburetted air inlet port.

REFERENCES:
patent: 946406 (1910-01-01), Sohnlein
patent: 980134 (1910-12-01), Springer
patent: 1168425 (1916-01-01), Rosenhagen
patent: 1698757 (1929-01-01), Kjellberg
patent: 2164234 (1939-06-01), Erren
patent: 4191138 (1980-03-01), Jaulmes

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