Self-propelled underwater electromechanical apparatus for cleani

Details Self-propelled underwater electromechanical apparatus for cleani Self-propelled underwater electromechanical apparatus for cleani

1994-12-05

1997-04-08

Soohoo, Tony G.

Brushing, scrubbing, and general cleaning

Submerged cleaners with ambient flow guides

E04H 416

Patent

active

056176007

ABSTRACT:
Self-propelled underwater electromechanical apparatus for cleaning the bottom and the walls of swimming pools, having an electric motor which operates a propeller turbine for circulating the water and a driving unit for transmitting movement to a roller travel system. The electric motor and the driving unit are made with an open structure in which the swimming-pool water freely circulates. The electric motor is of the brushless type and both the winding of its rotor and that of its stator are embedded in an impermeable resin. The driving unit has a reduction unit with an output shaft operating two roller travel systems mounted on opposite sides of the apparatus. Devices for achieving reversal of movement consisting of a shaft extension oscillating between two different working positions, are arranged between the output shaft and the two travel systems.

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