Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1976-06-24
1978-07-18
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
180 1R, E04H 320, A47L 500
Patent
active
041006410
ABSTRACT:
A jet-powered submerged cleaner runs along the bottom of a pool and also up and down the side walls and does not require a booster pump for proper operation. It travels on idler wheels and has a jet drive system which is under the control of pressure-responsive elements. The latter so operate that when the cleaner is sufficiently impeded against further movement in a given direction the jet drive system commences driving the cleaner in another direction. The cleaner discharges water under pressure in such a way that dirt is either vacuumed or blown free from adjacent pool wall surfaces, and the pressurized water is so directed and controlled as to cause the cleaner to be pressed against adjacent pool wall surfaces to thereby enable the cleaner to travel along and to climb inclined and vertical pool surfaces. A swivel connection is utilized to rotatably relate a pair of concentric tubes to minimize friction forces and enable foolproof operation of those embodiments of the cleaner which employ such concentric tubes.
REFERENCES:
patent: 3822754 (1974-07-01), Henkin
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