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Method for electrical power generation utilizing a turbine secured to a subsea pipe, the turbine having turbine blades encircling an outer periphery of the subsea pipe

  • US 10,125,738 B2
  • Filed: 09/23/2014
  • Issued: 11/13/2018
  • Est. Priority Date: 10/21/2013
  • Status: Active Grant
First Claim
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1. A method of generating electrical power, comprising the steps of:

  • turning turbine blades of at least one turbine, wherein the at least one turbine is secured to an outer sheath or to an end fitting of either;

    a subsea pipe;

    ora subsea umbilical;

    wherein the turbine blades are turned via motion of seawater with respect to the subsea pipe or the subsea umbilical through a swept area associated with the turbine blades; and

    generating said electrical power responsive to the turning of the turbine blades;

    wherein each of the turbine blades has a first end and a second end and the turbine comprises a first rotatable blade support connected to all of the first ends of the turbine blades and a further rotatable blade support connected to all of the second ends of the blades, and each blade support encircles an outer periphery of the outer sheath or end fitting of the subsea pipe or subsea umbilical via a ring connector and a bearing element, the bearing element being located between the ring connector and the blade support; and

    wherein the blade supports and the ring connectors enable the turbine blades to turn around a longitudinal axis of the subsea pipe or subsea umbilical.

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