| 摘要 |
An automatic rim flow water level control system for gutters is provided, for use in swimming pools, which includes a peripheral gutter having at least one weir chamber on its pool side wall, the wall having a plurality of vertically extending elongated water entrance slots communicating with the pool weir chamber, a plurality of vertical elongated water exit slots through the top rim of the gutter wall opposite to the pool side water entrance slots, a plurality of elongated water exit slots through the weir chamber wall below the top rim slots, an elongated float carried in the weir chamber, which float is responsive to the water level in the pool, to permit water to flow through the slots into the gutter for skimming, and into the weir chamber for float positioning and water skimming control, the weir chamber bottom wall having orifices to provide for controlled leakage of water out of the chamber into the gutter, from which it is removed, filtered and returned to the pool.
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