Exhaust timing control device for two-cycle engines

Details Exhaust timing control device for two-cycle engines Exhaust timing control device for two-cycle engines

1987-06-26

1989-05-16

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123323, 60314, F02B 7502

Patent

active

048299456

ABSTRACT:
An apparatus for controlling the exhaust timing of a two-cycle engine. A control valve is provided for adjusting the position of the top of the control port in the two-cycle engine as a function of the engine speed. A central processing unit receives a signal from an engine speed detector indicating the engine's operating speed. Based upon a control map, the central processing unit initiates action to adjust the position of the control valve.

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patent: 4672925 (1987-06-01), Miyata et al.
patent: 4706617 (1987-11-01), Asai et al.

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