Two cycle engine provided with a scavenging pump

Details Two cycle engine provided with a scavenging pump Two cycle engine provided with a scavenging pump

1992-04-22

1993-10-12

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 73PP, 123 65BA, F02B 2516, F02B 3334, F02F 122

Patent

active

052515818

ABSTRACT:
An improved scavenging system for a two cycle internal combustion engine wherein the cylinder block of the engine is provided with an internal plenum chamber that surrounds the lower portion of the cylinders and which supplies the scavenge ports of the engine. In this way, it will be ensured that the proper air flow can issue from each scavenge port.

REFERENCES:
patent: 2367565 (1945-01-01), Curtis
patent: 2645214 (1953-07-01), Birnstiel
patent: 2744506 (1956-05-01), Reynolds
patent: 2787987 (1957-04-01), Portmann
patent: 2820339 (1958-01-01), Grieshaber et al.
patent: 2887993 (1959-05-01), Shallenberg
patent: 3077189 (1963-02-01), Earnshaw et al.
patent: 4254752 (1981-03-01), Friddell et al.

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