Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1992-04-07
1993-03-30
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
15387, E04H 320
Patent
active
051971585
ABSTRACT:
A vacuum powered automatic swimming pool cleaning device having a hollow housing supported on two pairs of device mover wheels. The housing includes a central water suction chamber in water flow communication with a water suction trough at the bottom of the housing and in water outlet communication with an external vacuum line, a gear train for driving one of the pairs of mover wheels, and pivoted directional control floats. The water suction chamber houses an axle mounted turbine wheel bearing water driven vanes with the turbine being rotated in one direction only by water flow through the chamber. The turbine axle bears a turbine power output drive gear which intermeshes with one or the other of two shift gears which in turn reversibly drive the gear train as dictated by the position of the directional control floats within the housing. The floats swing shift within the housing to shift the shift gears in response to the impact of the cleaning device on an obstruction on the pool floor or by the device impacting a vertical pool wall. The swing shift of the control floats reverses the rotation of the mover wheels and thus the direction of movement of the cleaning device on the pool floor.
REFERENCES:
patent: 3229315 (1966-01-01), Watson
patent: 4449265 (1984-05-01), Hoy
patent: 4560418 (1985-12-01), Raubenheimer
patent: 5001800 (1991-03-01), Parenti
Junkins Philip D.
Leslie Philip L.
Roberts Edward L.
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