Internal-combustion engines – Valve – Rotary
Patent
1987-12-31
1989-03-28
Cross, E. Rollins
Internal-combustion engines
Valve
Rotary
123190A, F01L 700
Patent
active
048154288
ABSTRACT:
A drum type rotary valve aspiration control for an internal combustion engine having a single, perpendicularly oriented rotary valve for each cylinder. An intake port and an exhaust port are provided, one on either side of the rotary valve along its cylindrical axis. The cylindrical surface of the rotary valve has an aperture for each of the intake and exhaust aspiration functions. The rotary valve has separate internal chambers. One chamber, having an intake port, communicates with the intake aperture, while the other chamber, having an exhaust port, communicates with the exhaust aperture. A structure is also provided within the rotary valve for threadably retaining a spark plug and for permitting selective communication between the spark plug and the cylinder port. A spark plug access aperture is provided on the cylindrical surface for servicing. A slip ring apparatus is used to route an exterior spark plug cable to the spark plug. Provision is made for rotary valve sealing and lubrication. An optional axial flow compressor is provided at the intake port to deliver combustible gas under pressure to the intake chamber of the rotary valve. Both the axial flow compressor and the rotary valve are powered by a linkage to the output shaft of the engine.
REFERENCES:
patent: 4077382 (1978-03-01), Gentile
patent: 4418658 (1983-12-01), Di Ross
patent: 4473041 (1984-09-01), Lyons et al.
patent: 4545337 (1985-10-01), Lyons et al.
Cross E. Rollins
VanOphem Remy J.
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