Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1998-11-02
2000-10-03
Chin, Randall E.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
137843, 137851, E04H 416
Patent
active
061254924
ABSTRACT:
An automatic swimming pool cleaning device (10) includes a flexible cleaning member (12) which is designed to contact an underwater surface of the swimming pool. A tube (14) is coupled to the cleaning member (12) for connecting the cleaning device (10) to a water vacuum hose via hose adaptor (19). Water and pool surface contamination is drawn from underneath the cleaning member (12) up through the tube (14) by suction to a water filter system before being returned to the pool. A flexible valve member (20) is mounted proximate a throat region (22) of the tube (14) wherein as water is drawn up through the tube (14) a decrease in pressure in the throat region (22) causes the valve member (20) to flex and momentarily interrupt the flow of water. The interruption to the flow of water through the tube (14) results in a momentary differential of ambient pressure underneath the flexible cleaning member (12) which enables the device (10) to move forwards incrementally along the underwater surface of the pool. A significant advantage of the cleaning device (10) is that the valve assembly includes only one moving part, flexible valve member (20), which is of simple design, low-wearing and thus low-maintenance.
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Chin Randall E.
Summer Moon Pty Ltd
LandOfFree
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