Importance

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Abstract

An improved rotary valve for a spherical rotary valve engine in which the intake spherical valve and the exhaust spherical valve have an aperture on the spherical periphery for communication with the inlet port and exhaust port of the cylinder, respectively, the aperture having longitudinal parallel edges spaced apart a distance equivalent to the diameter of the inlet port or the exhaust port of the cylinder head, the lateral ends of the aperture on the spherical periphery of the intake and exhaust valve being curvalinear and of a semi-circular design, the semi-circular design conforming to the circumference of the inlet port and outlet port of the engine cylinder so as to provide for faster opening and faster closing of the intake port and exhaust port, respectively, and also providing a larger cross-sectional area more quickly in the opening phase and a reduction in the cross-sectional are a more quickly in the closing phase of the valve.

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First Claim