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System and method for storing and dispensing fuel and ballast fluid

  • US 9,273,639 B2
  • Filed: 09/24/2012
  • Issued: 03/01/2016
  • Est. Priority Date: 09/24/2012
  • Status: Expired due to Fees
First Claim
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1. A system for storing and dispensing a fuel and a ballast fluid comprising:

  • a chamber for storing the fuel;

    a chamber for storing the ballast fluid; and

    a heat transfer system including a first heat exchanger, disposed exterior the fuel chamber and exterior the ballast fluid chamber, between the fuel chamber and a fuel outlet and between the ballast fluid chamber and a ballast fluid inlet so that fuel exterior the fuel chamber is used as a refrigerant for ballast fluid exterior the ballast fluid chamber wherein (a) fuel, exterior the fuel chamber, dispensed from the fuel chamber is used exterior the fuel chamber as a refrigerant for ballast fluid, exterior the ballast fluid chamber, received for storage in the ballast fluid chamber and (b) ballast fluid, exterior the ballast fluid chamber and exterior the fuel chamber, dispensed from the ballast fluid chamber is used as a refrigerant exterior the fuel chamber for fuel, exterior the fuel chamber, received for storage in the fuel chamber.

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