| 摘要 |
A friction disc clutch or brake has axially spaced friction discs within a hollow body, the space between the discs providing a pressure chamber to which are connected fluid inlet and outlet passages: the outlet passages have a greater resistance to flow than the inlet passages. Specifically, the outlet passage includes an annular space between the outer periphery of each of the discs and the adjacent interior wall of the hollow body. In a modification, there is not outflow, but only an inlet passage.
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