Cleaning or keeping clear the surface of open water Apparatus therefor

EFIXED CONSTRUCTIONS E02Hydraulic engineering E02BHYDRAULIC ENGINEERING

E02B15/00Cleaning or keeping clear the surface of open water Apparatus therefor

E02B15/02from ice otherwise than according to E02B1/003 E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials E02B15/041Devices for distributing materials E02B15/042Devices for removing the oil by combustion with or without means for picking up the oil E02B15/043Devices or methods for removing oil by means of freezing E02B15/045Separating means for recovering oil floating on a surface of open water E02B15/046Collection of oil using vessels E02B15/047provided with an oil collecting boom arranged on at least one side of the hull E02B15/048Oil collectors moved over the water skimming the water surface E02B15/06Barriers therefor construed for applying processing agents or for collecting pollutants E02B15/08Devices for reducing the polluted area with or without additional devices for removing the material E02B15/0807with stabilising elements E02B15/0814with underwater curtains E02B15/0821adapted for protection against fire or extreme heat E02B15/0828fixed to the side of a boat for containing small leaks in the hull E02B15/0835fixed to permanent structure E02B15/0842adapted to be towed for operation E02B15/085Details of connectors E02B15/0857Buoyancy material E02B15/0864Air E02B15/0871self-inflating barriers E02B15/0878Air and water E02B15/0885Foam E02B15/0892using expanded polystyrene foam E02B15/10Devices for removing the material from the surface E02B15/101Means floating loosely on the water absorbing the oil E02B15/102Discs E02B15/103Rotary drums E02B15/104Conveyors; Paddle wheels; Endless belts E02B15/105Archimedian screws E02B15/106Overflow skimmers with suction heads; suction heads E02B15/107Whirling means forming a vortex in the water; cyclones E02B15/108Ejection means