초록 ▼

A waste pond liquid circulator is described in which a plurality of pontoons extend substantially radially from a base and with respect to a central axis passing through the base. A drive mechanism is mounted on the base that is drivingly connected to an impeller for rotating the impeller about the

A waste pond liquid circulator is described in which a plurality of pontoons extend substantially radially from a base and with respect to a central axis passing through the base. A drive mechanism is mounted on the base that is drivingly connected to an impeller for rotating the impeller about the central axis. The base and pontoons are configured to rest on a liquid surface with the pontoons engaging the liquid and forming wedge shaped spaces between successive pontoons. The impeller is rotated by the drive mechanism about the central axis to produce a vortex current of liquid directed toward the it base. The pontoons are configured to receive and direct the current substantially radially away from the base through the wedge shaped spaces.

대표청구항 ▼

[ What is claimed is:] [17.]17. A process for producing recirculating liquid flow in a standing body of liquid, comprising the steps of:floating a base with pontoons extending substantially radially from the base on the body of liquid with the pontoons engaging the liquid and forming wedge shaped sp

[ What is claimed is:] [17.]17. A process for producing recirculating liquid flow in a standing body of liquid, comprising the steps of:floating a base with pontoons extending substantially radially from the base on the body of liquid with the pontoons engaging the liquid and forming wedge shaped spaces between successive pontoons;rotating an impeller about the central axis to produce a vortex current of liquid directed upwardly toward the base; anddirecting the current substantially radially away from the base through the wedge shaped spaces. [19.]19. A waste pond liquid circulator, comprising:a base;a plurality of pontoons connected to the base and arranged to extend substantially radially with respect to a central axis passing through the base;a drive mechanism on the base;an impeller connected to the drive mechanism for rotation about the central axis and having blades set at a predetermined pitch angle;wherein the base and pontoons are configured to rest on a pond including a liquid surface and a pond bottom with the pontoons engaging the liquid surface and forming wedge shaped spaces between successive pontoons and with the impeller situated below the liquid surface;wherein the impeller is configured to be rotated by the drive mechanism about the central axis to produce a vortex current of liquid directed toward the base and the liquid surface; andwherein the pontoons, base, and impeller are configured to form a substantially torroidal shaped re-circulating current flow with substantially radial components of such flow occurring along the liquid surface and adjacent the pond bottom, a substantially axial upward component along the central axis, and a substantially axial downward component spaced radially outward of the pontoons.