Exhaust timing control device for a two-cycle engine

Details Exhaust timing control device for a two-cycle engine Exhaust timing control device for a two-cycle engine

1980-12-22

1982-12-21

Burns, Wendell E.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123 65PE, 123 73SP, F02B 7502, F02B 2506

Patent

active

043643469

ABSTRACT:
An exhaust timing control device for a two-cycle internal combustion engine, in which a valve member functioning as the upper edge of an exhaust port that opens into the inner circumference of a cylinder is disposed in the upper wall of an exhaust passage from said exhaust port. A valve hole having an elongated cross-section is opened in the wall of the exhaust passage in the vicinity of the exhaust port, and is formed at an inclination with respect to the axis of said cylinder. The valve member is arranged slidably in said valve hole so that it can be retracted into said valve hole until the leading end portion thereof becomes substantially coextensive with the inner wall surface of said exhaust passage.

REFERENCES:
patent: 4121552 (1978-10-01), Mithuo

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