Exhaust control valve system for parallel multi-cylinder two-cyc

Details Exhaust control valve system for parallel multi-cylinder two-cyc Exhaust control valve system for parallel multi-cylinder two-cyc

1990-08-13

1991-11-12

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 73C, 60312, F02B 3304

Patent

active

050638882

ABSTRACT:
An in-line, two-cycle, crankcase compression, internal combustion engine having a plurality of scavenge ports and an exhaust port for each cylinder in which an exhaust control valve is positioned. To permit a compact assembly, the ports are rotated about the cylinder bore axis in a transverse plane so that the exhaust ports extend at an acute angle to a common plane containing the cylinder bore axes and the control shafts for the exhaust control valves extends perpendicularly to this plane. A wide variety of actuators are disclosed for operating the exhaust control valves simultaneously including flexible transmitters and a linkage system.

REFERENCES:
patent: 4121552 (1978-10-01), Mithuo et al.
patent: 4399788 (1983-08-01), Bostelmann
patent: 4723514 (1988-02-01), Taniuchi
patent: 4776305 (1988-10-01), Oike
patent: 4903647 (1990-02-01), Yamamoto et al.
patent: 4920932 (1990-05-01), Schlunke

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