Device for cleaning surfaces, particularly in water

Details Device for cleaning surfaces, particularly in water Device for cleaning surfaces, particularly in water

1988-04-14

1990-05-22

Peters, Jr., Joseph F.

Ships

Implements

Hull cleaning

15 1, B63B 5900

Patent

active

049267752

ABSTRACT:
A cleaning apparatus for use under water, particularly for cleaning vertical surfaces which are fouled by marine organisms. One or more nozzles (19a-c) for spraying water at high pressure at a surface to be cleaned are arranged on a rotary disc-shaped unit (14)where the rotation axis is intended to be generally perpendicular to the surface which is to be cleaned. The nozzles are obliquely located in a circular plane so that the rotating unit (14) can rotate. Beyond the periphery of the rotating unit (14) there is a casing (12) which forms an annular chamber (13) with an outlet which is at least partly directed away from the surface which is to be cleaned. The annular chamber (13) is formed from two generally cylindrical or truncated conical casing units (20, 30) which are positioned at a radial distance from each other with their internal ends concentric with respect to the nozzle holder (11).

REFERENCES:
patent: 3170180 (1965-02-01), Winston et al.
patent: 4348192 (1982-09-01), Pansini

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