Two cycle exhaust recycling

Details Two cycle exhaust recycling Two cycle exhaust recycling

1989-06-21

1990-08-07

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123323, 60314, F02B 2520

Patent

active

049458680

ABSTRACT:
A crankcase scavenged two cycle engine has an auxiliary or bypass port above the exhaust and inlet ports to direct blowdown exhaust gas into a plenum or the engine crankcase for later return to the engine cylinder. Loss of fuel-rich blowdown gas to the engine exhaust system is thereby reduced.

REFERENCES:
patent: 4312308 (1982-01-01), Slattery
patent: 4386587 (1983-06-01), Simko
patent: 4541371 (1985-09-01), Kageyama et al.
patent: 4622928 (1986-11-01), Uchinishi
patent: 4682571 (1987-07-01), Kaufman et al.
patent: 4848279 (1989-07-01), Luo

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