Patent ID: 6050865
Filing Date: 2000-04-18
Classification: B63H

Abstract:
A ship drive comprising: a drive engine and a propeller shaft connected directly to said drive engine; a propeller mounted on said shaft; a thrust bearing for taking up the thrust of said propeller; an auxiliary drive having an electric engine operable selectably as a generator or a motor; a transmission connected to said electric engine through a clutch; a gearwheel in said transmission; a propeller intermediate shaft surrounded by said gearwheel and connected to said gearwheel through a flexible coupling for producing a play-free, releasable and mechanically positive connection between said transmission and said drive engine; said drive engine having a drive side with a flange on a thrust shaft; an auxiliary thrust bearing holding said thrust shaft; said thrust bearing having forward and reverse pressure blocks and being activatable in case of auxiliary or emergency operation of the ship; reduced propeller thrust being transmitted to said thrust bearing through said auxiliary thrust bearing, said thrust bearing being arranged in said drive engine in the ship's hull; a rotationally stiff and axially pliant diaphragm coupling connected to said propeller shaft; said auxiliary thrust bearing forming a play-free and a mechanically positive connection, said auxiliary thrust bearing being clamped in normal operation by said pressure blocks against the flanges of said drive side and said thrust shaft.