Internal-combustion engines – Four-cycle – Rotating valve
Patent
1988-09-23
1991-03-19
Feinberg, Craig R.
Internal-combustion engines
Four-cycle
Rotating valve
123 80D, 123 80DA, 123190B, 123190E, 123307, F01L 716
Patent
active
050001361
ABSTRACT:
An internal combustion engine having a head with valve assemblies for controlling intake and exhaust gases to and from piston chambers. A head plate is located between the head and a block having cylinders accommodating pistons. The head plate has openings in communication with the cylinders and valve assemblies. Each valve assembly has a continuous ceramic sleeve having an intake port, and an exhaust port. Rotatably disposed within the sleeve is a rotatable valve body having a valving combustion chamber open to a piston chamber. A spark plug is mounted on each valve body. A ceramic segment seal mounted on the valving body has sealing surfaces engageable with the sleeve. A face seal is located between the head plate and the rotating valve body. The valving body and seal are rotatably driven to sequentially align the valving combustion chamber with the intake port and exhaust port during the operation of the engine.
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Cross Paul C.
Hansen Craig N.
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