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Method and apparatus for transferring cold seawater upward from the lower depths of the ocean to improve the efficiency of ocean thermal energy conversion systems

  • US 4,311,012 A
  • Filed: 02/19/1980
  • Issued: 01/19/1982
  • Est. Priority Date: 08/07/1978
  • Status: Expired due to Term
First Claim
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1. In an ocean thermal energy conversion plant having a heat cycle engine system which operates on the temperature differential between the upper and lower depths of the ocean, a method of efficiently transporting the lower depth seawater upward to said heat cycle engine system, comprising:

  • submerging conduit means into said ocean to extend from said lower depth upward to said heat cycle engine system; and

    at least partially desalinating the seawater at said lower depth to reduce the density of said seawater, so that said desalinated seawater naturally rises upward within said conduit means to said heat cycle engine system.

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