Seal for the rotating shafts of ship propellers

摘要

The device has a multi-seal (18), which has an outward sealing ring (30) and an inwardly directed sealing ring (33). The sealing chambers (21,22,23) are formed between two adjacent sealing rings (31,32,33). A discharge (44) is arranged in an upper area of the sealing chamber as a direct connection to a tank (8) in addition to a supply line (43) in a lower area of the sealing chamber.