Patent ID: 8273183
Filing Date: 2012-09-25
Classification: E04H

Abstract:
1. A self-propelled cleaning apparatus for cleaning a submerged surface of a pool or tank, comprising: a housing having a front portion as defined by the direction of movement of the apparatus when propelled by a water jet, an opposing rear portion and adjoining side portions defining the periphery of the apparatus, and a baseplate with at least one water inlet; rotationally-mounted supports coupled proximate the front and rear portions of the housing to enable movement of said apparatus over the submerged surface; a water pump mounted in the interior of said housing, said water pump being configured to draw water and debris from the pool or tank through the at least one water inlet for filtering; and a stationary directional discharge conduit in fluid communication with the water pump and having at least one discharge opening through which a pressurized stream of water forming the water jet is directionally discharged at a predetermined angle that is acute with respect the surface over which the apparatus is moving.