Two-stroke internal combustion engine and cylinder head for the

Internal-combustion engines – Precombustion and main combustion chambers in series – Two-cycle

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123 65VD, 123286, F02B 2518

Patent

active

050146637

ABSTRACT:
A two-stroke internal combustion engine, in particular of the diesel type, which comprises at least one intake valve (10) having its seat disposed in the wall of a combustion and scavenging prechamber (13) and at least one exhaust valve (7), is characterized in that the prechamber (13) communicates with the cylinder (1) through a transfer passageway (14) whose walls are at least partially substantially parallel to the axis (2) of the cylinder and whose cross-section perpendicular to this axis opens out in accordance with a substantially oblong shape tangent to the cylinder (1). An improved effectiveness of the engine is obtained.

REFERENCES:
patent: Re32802 (1988-12-01), Kline
patent: 1626387 (1927-04-01), Burtnett
patent: 2061157 (1936-11-01), Hurum
patent: 2222134 (1940-11-01), Augustine
patent: 2685869 (1954-08-01), Fenney et al.
patent: 4616605 (1986-10-01), Kline
patent: 4854280 (1989-08-01), Melchior

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