Internal combustion engine

Internal-combustion engines – Two-cycle – Rear compression

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Details

123 75B, F02D 3902

Patent

active

040982378

ABSTRACT:
A 4-stroke internal combustion engine having an orifice through the cylinder wall just above lower dead center point, said orifice being sealed by the piston rings when the piston moves upward.

REFERENCES:
patent: 1206520 (1916-11-01), Eglinton
patent: 1293508 (1919-02-01), Moore
patent: 1323445 (1919-12-01), Boyce
patent: 1812063 (1931-06-01), Spencer
patent: 2215579 (1940-09-01), Eichelberg
patent: 2742028 (1956-04-01), Robinson
patent: 2807250 (1957-09-01), Mallory

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