Swimming pool cleaning device

Details Swimming pool cleaning device Swimming pool cleaning device

1988-04-14

1989-04-04

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Submerged cleaners with ambient flow guides

15404, F04H 320

Patent

active

048172251

ABSTRACT:
The invention relates to a cleaning device particularly a swimming pool cleaner for automatically cleaning submerged surfaces in which an induced flow through the cleaner is intermittently interrupted to cause random movement of the cleaner over the surface to be cleaned and in which a valve is freely movable towards and away from a valve seat in a flow passage through the cleaner. Preferably the closure member is spherical and has a specific gravity only slightly greater than that of the liquid in which the device is to be used.

REFERENCES:
patent: 3054131 (1962-09-01), Groves
patent: 3803658 (1974-04-01), Raubenheimer
patent: 4023227 (1977-05-01), Chauvier
patent: 4133068 (1979-01-01), Hofmann

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