MECHANICAL STERN OIL SKIMMER Russian patent published in 2023 - IPC E02B15/04 

FIELD: environmental protection.

SUBSTANCE: mechanical stern oil skimmer containing a base located on the transportation means, on which a lifting device is attached, connected to the skimmer, and configured to be lifted into the transport position and lowered into the working position using hydraulic cylinders, according to the invention, it additionally contains there is a melting tank fixed on the base with coolant pipes located in it along the bottom, protected by a grid, a belt-chain conveyor with a blade mechanism, one end of the conveyor is connected to a skimmer, and the other end is configured to supply cut oil-contaminated ice into the melting tank in the working position. The skimmer is a screw-milling device for cutting oil-contaminated ice. A mechanical stern oil skimmer may additionally contain a saw horizontally located on a frame having fastening elements to a screw-milling skimmer and a hydraulic cylinder, while the frame is equipped with a hydraulic motor and a vibration damping system.

EFFECT: improved efficiency of oil product collection in a wide range of operating temperatures (from plus 40°C to minus 40°C).

2 cl, 5 dwg