Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1996-05-06
1998-09-08
Chin, Randall E.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
15409, E04H 416
Patent
active
058026533
ABSTRACT:
A device for automatically cleaning the bottom and walls of a swimming-pool includes a suction/discharge body (11) having an orifice or suction opening (12) and a discharge orifice (13), an ejector comprising a driving nozzle (14) and a venturi diffuser (15) and a moveable device (17) for collecting debris. The ejector is disposed inside the body (11) and the nozzle (14) is able to be connected to a discharge opening (5) of the swimming-pool via a conduit with one portion being formed by an accordion wall flexible pipe (10). The device further comprises a propulsion device which creates between the discharge opening (5) and the nozzle (14) a transient and repeated escapement of the pressurized water of the conduit externally so as to create a movement of the device by repeated elastic expansion/constriction of the flexible pipe (10).
REFERENCES:
patent: 2725356 (1955-11-01), Lombardi
patent: 4589986 (1986-05-01), Greskovics
patent: 5033148 (1991-07-01), Chauvier
patent: 5099535 (1992-03-01), Chauvier
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