Internal-combustion engines – Four-cycle – Rotating valve
Patent
1982-07-26
1991-02-05
Okonsky, David A.
Internal-combustion engines
Four-cycle
Rotating valve
123190D, F01L 700
Patent
active
049895761
ABSTRACT:
An internal combustion engine of the piston and cylinder type is provided. The conventional cylinder head is replaced by a detachable head assembled from two hollowed out cylinder head components one of which (3a) is shown. The components when assembled provide a cavity (4) which is contoured so as to accommodate in gas-tight sealing with the walls thereof a rotor (5) having a pair of drums (7, 8) thereon, each drum (7, 8) has a rotor passage (7a, 8a) thereon so that when the rotor (5) is rotated (in a conventional manner), the rotor passages (7a, 8a) provide an uninterrupted conduit between the carburetor and the cylinder or the cylinder and the exhaust manifold during the induction stroke and the exhaust stroke respectively of the piston of one cylinder of the engine. Four pairs of drums are provided on the same rotor for use in a four cylinder, four stroke engine. Each drum (7, 8) has a spherical section (130) defined by two parallel planes (131, 132) of a sphere the planes being disposed symmetrically about the center of the sphere, and the intersection between the planes and the spherical section being rounded off.
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Frayne Clifford G.
Okonsky David A.
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