| 摘要 |
<p>A rotary-motion directional fluid-flow control valve comprising an inner valve element rotatable about an axis therethrough and formed with concavities in its outer peripheral wall, an outer valve body rotatable about an axis aligned with the axis of rotation of the valve element and circumferentially slidable on the outer peripheral surface of the valve element, and plug members which are closely fitting in radial holes formed in the valve body and including a first plug member solid in its entirety and a second plug member formed with an axial bore, the first and second plug members being in registry with the concavities in the valve element in radial directions of the valve body depending upon the relative angular positions of the valve body and element. The valve may be advantageously use in a power-assisted steering system of an automotive vehicle.</p> |
