Block for a two-cycle engine

Details Block for a two-cycle engine Block for a two-cycle engine

1994-07-22

1995-10-24

Kamen, Noah P.

Internal-combustion engines

Frame construction

Horizontal cylinder

123 4174, 1231932, F02F 700

Patent

active

054601401

ABSTRACT:
A two-cycle engine block machined from a solid block of aluminum alloy has at least one cylinder passing through the block. An exhaust port extends from an outside surface of the block to an inside surface of the cylinder approximately midway between a top and a bottom of the cylinder. First and second fuel transfer ports are positioned on opposite sides of the cylinder and circumferentially displaced from the exhaust port. Each of the fuel transfer ports have front side walls angularly oriented so as to direct fuel toward a sidewall of the cylinder opposite the exhaust port. Each fuel transfer port has a top surface lying in a plane generally normal to an axis of the cylinder to deter upward flow of fuel into the outward flowing exhaust gases.

REFERENCES:
patent: 2404404 (1946-08-01), Ryde
patent: 5251580 (1993-10-01), Torigai

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