| 摘要 |
The disclosure relates to a method and apparatus for treating, primarily cleaning, underwater surfaces of fixed or floating constructions for example, ships' hulls. In the method according to the invention, the treatment or cleaning device, which is rotatably driven by a motor, is wholly or partially insulated from the surrounding water by a medium which is fed to the vicinity of the device. The apparatus according to the invention includes a channel and a connection for supplying the insulating medium in the vicinity of the cleaning device. |
