Vacuum head for cleaning surfaces, inside a water pool, and a me

Details Vacuum head for cleaning surfaces, inside a water pool, and a me Vacuum head for cleaning surfaces, inside a water pool, and a me

1994-09-16

1995-12-05

Roberts, Jr., Edward L.

Cleaning and liquid contact with solids

Processes

Including use of vacuum, suction, or inert atmosphere

15 17, 15345, E04H 416

Patent

active

054725178

ABSTRACT:
A vacuum head having a confinement zone with a portion of surfaces inside a water pool, under the vacuum head, for cleaning surfaces of the floor and adjacent sides, inside a water pool. A water outlet is mounted within the confinement zone, whereby the presence of water in the confinement zone generates a flow of water driven toward the water outlet. A plurality of water jets within the confinement zone impinge water upon the portion of surfaces, under the vacuum head, for the water from the water jets to hit the portion of surfaces within the confinement zone, to remove dirt from said portion of surfaces, and said dirt together with said water to be substantially confined within the confinement zone, and be displaced along the flow of water driven toward the water outlet. A method for cleaning surfaces of the floor and adjacent sides comprises creating a negative pressure zone at least partially impermeable to the water inside a water pool to obtain a confinement zone having a flow of water driven toward said water outlet, and inside said negative pressure zone, impinging water upon surfaces for cleaning inside a water pool.

REFERENCES:
patent: 1792975 (1931-02-01), Gilbert
patent: 2497435 (1950-02-01), Branneman
patent: 2646889 (1953-07-01), Dulak
patent: 3161900 (1964-12-01), Hornschurch et al.
patent: 3678534 (1972-07-01), Hilbig
patent: 3958298 (1976-05-01), Cannan
patent: 4168562 (1979-09-01), Maasberg
patent: 4788739 (1988-12-01), Brewer et al.
patent: 4864681 (1989-09-01), Hult et al.

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