Bearing assembly for a marine turbine shaft, and marine turbine including such a bearing assembly
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United States of America Patent
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Apr 7, 2015
Grant Date -
Nov 28, 2013
app pub date -
Dec 9, 2010
filing date -
Dec 9, 2010
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Abstract
To recover the axial forces transmitted by a rotating shaft, a bearing assembly includes a plurality of distributed bearing units. Each bearing unit comprises: a stationary base; a resilient member having a stationary portion and a portion that is completely movable in a main direction of the forces to be supported; and a bearing surface that defines, together with the shaft, a water film. The bearing surface is connected to the movable portion. The minimum radius of the bearing surface is between 1 m and 3 m. The resilient member and the base define at least one water chamber. A plurality of ducts are arranged so as to connect the chambers together, thereby defining a closed circuit.
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