Cylinder sleeve for two-cycle engine

Details Cylinder sleeve for two-cycle engine Cylinder sleeve for two-cycle engine

1990-08-30

1992-02-11

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 65PE, F02B 7502

Patent

active

050867342

ABSTRACT:
A two-cycle, crankcase compression, internal combuston engine and a piston liner therefore having an exahust port opening that is chamfered along its top edges so as to reduce the likelihood of piston ring sticking without affecting the port timing. Different forms of chamfering tools are depicted.

REFERENCES:
patent: 4337734 (1982-07-01), Iio
patent: 4643140 (1987-02-01), Whipple

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