Power umbilical comprising separate load carrying elements of composite material
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United States of America Patent
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May 29, 2012
Grant Date -
Nov 1, 2007
app pub date -
Jun 17, 2005
filing date -
Jun 18, 2004
priority date (Note) -
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Abstract
A power umbilical for transfer of large amounts of electric power, fluids and electric current/signals from the sea surface to equipment deployed on the sea bed, in particular in deep waters, is disclosed. The power umbilical comprises a number of electric power conducting cables (5), pipes (4) and electric conductors/wires (6, 6) collected in a bundle, a filler material (10, 2, 3, 3′) lying at least partly around and between the pipes (4), cables (5) and the conductors/wires (6, 6), and a protective sheath (1) enclosing the pipes, cables conductors/wires and filler material. The load carrying elements (7) of the power umbilical are light weighted rods (7) of composite material that can either be collected in bundles or appear individually or in a combination thereof.
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