Two-cycle engine having a direct fuel injection system

Details Two-cycle engine having a direct fuel injection system Two-cycle engine having a direct fuel injection system

1990-07-03

1991-04-23

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 65V, F02B 3300

Patent

active

050092014

ABSTRACT:
A rotary exhaust valve is provided in an exhaust passage of an engine, which is rotated by the engine. A valve phase control device is provided for changing the phase of the rotary exhaust valve. An actuator is provided for actuating the valve phase control device so as to change the phase of the rotary exhaust valve in accordance with engine operating conditions.

REFERENCES:
patent: 2765782 (1956-10-01), Cambeis et al.
patent: 2766744 (1956-10-01), Steiger
patent: 2891524 (1959-06-01), Scheiterlein
patent: 2924069 (1960-02-01), Buchi
patent: 3077189 (1963-02-01), Earnshaw et al.
patent: 3187728 (1965-06-01), Friddell
patent: 3680305 (1972-08-01), Miller
patent: 4162662 (1979-07-01), Melchior
patent: 4254752 (1981-03-01), Friddell et al.
patent: 4907549 (1990-03-01), Morikawa et al.
patent: 4924819 (1990-05-01), Boyesen

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