| 摘要 |
A spherical rotary valve assembly for an internal combustion engine of the piston and cylinder type wherein the spherical rotary valve assembly is positioned within a split cylinder head having an upper and lower section, such when secured defines a cavity for a rotational shaft having mounted thereon, an intake drum and exhaust drum for each cylinder, the lower half of the split head cylinder head having positioned therein, the inlet port and outlet port for the cylinder, the split cylinder head having an intake passageway and an exhaust passageway in communication with the drum cavities in the split cylinder head, the rotation of the respective intake drum and exhaust drum within their respective cavities interrupting the respective flow of the fuel air mixture or the exhaust gases to or from the cylinder by means of passageways within the drums, the drums rotating within the cavities in a gas tight sealing rotation on an annular sealing means axially positioned about the inlet port and outlet port in the lower section of the split head assembly such that the frictional contact encountered is that of the drums in contact with the seals and the shaft in contact with journaled bearings in the split head assembly, there being a pair of drums associated with each cylinder.
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