| 摘要 |
An inventive engine valve assembly may comprise a rotatable shaft having a fluid passageway extending therethrough, preferably in a direction orthogonal to the longitudinal axis of the shaft. The shaft may be positioned such that the fluid passageway is in communication with an engine cylinder during selected portions of shaft rotation. The shaft may be arranged to rotate with the crankshaft. When used as an intake valve, the valve may be arranged to allow fluid communication with the cylinder during an intake stroke. When used as an exhaust valve, the valve may be arranged to allow fluid communication with the cylinder during an exhaust stroke.
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