| 摘要 |
This invention relates to a device for creating a movement in a liquid, especially at its surface, where the liquid is contained within a vessel bounded by a wall or walls, especially a swimming pool, said device comprising a component in contact with the liquid in which a movement is to be created, especially at its surface. The device of the invention comprises a floating or submerged assembly as a component, which is not integral with a wall of the vessel, said assembly comprising two bodies (1, 5) interconnected by at least one means (7) which is designed to move the bodies (1, 5) mutually so as to create a movement in the liquid and especially at its surface. |
