Importance

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Abstract

Disclosed is an improved valve for the fuel intake and exhaust ports of an internal combustion engine. There is formed between each port and its associated cylinder an enlarged chamber within which is rotatably mounted a rotary valve member, preferably spheroidal in shape, which controls the flow of fluid through the chamber and thus thru the port. The valve member is not only rotatable but it is transversely movable relative to its axis of rotation so that it will sweep into sealingly engagement with the portions of the chamber surrounding the juncture with the associated port. The valve members are rotated by means of a segmented shaft and the connection between the shaft and drive members is such that tranverse movement of the valve member relative to the shaft will be permitted only when the rotary valve members in both the intake port and the exhaust port are not aligned to permit fluid movement through either of the ports i.e. during the compression and power strokes.

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First Claim