Abstract: A pool cleaning device for a pool having a powered water circulation and filtration system including at least one return inlet. The inlet is directed to create a circular flow pattern of water in the pool so as to cause debris therein to become concentratedly swirled at the pool bottom. The pool cleaning device of the present invention is provided adjacent to the drain on the pool bottom and provides a vortex of water extending upwardly from the pool bottom. The device includes a housing having at least one inlet and at least one outlet. A shroud is connected to the housing and has at least one inlet and at least one outlet. The debris moves from the shroud inlet to the shroud outlet due to the vortex. A debris collection device is connected to the shroud. Movement of the water and the debris is permitted into the debris collection device and the debris is limited from returning to the shroud.

Abstract: In a vessel such as a swimming pool, a turbine device is positioned on the bottom of the vessel to create an upward flow of water. The upward flow carries with it any larger debris, which are thereafter carried along the edge of the vessel and recovered by a skimmer. The turbine device is powered by the suction stream of a fluid circulation pump and filter system. Suction is thus created along the bottom of the vessel, which removes small debris. The upward flow of the turbine device is created by a plurality of spaced outlets which surrounds an impeller inlet. The outlets form high velocity streams which are spaced in a manner to exclude large debris from entering the impeller inlet.