| 摘要 |
A fluid-swivel with a first member having a first face, a second member having a second face adjoining and mating with the first face of the first member, the first face and the second face being positioned to rotate relative to each other about a common axis, a fluid conduit defined by a first raceway in the first face and a second raceway in the second face opposite the first raceway when the first and second raceways are at a predetermined index point relative to each other, said fluid conduit at the indexed condition defining a path in one revolution about the common axis which advances the conduit a distance of at least one width of the conduit, an inlet conduit communicating with the fluid conduit, and an outlet conduit communicating with the fluid conduit.
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