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GAS TRANSFER SYSTEM FOR LIQUID FUELS

  • US 3,803,858 A
  • Filed: 03/07/1972
  • Issued: 04/16/1974
  • Est. Priority Date: 10/08/1970
  • Status: Expired due to Term
First Claim
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1. An apparatus for transferring liquid fuel from a tank having a discharGe outlet by means of a liquified cryogenic gas comprising;

  • providing a storage receptacle containing liquid cryogenic gas at low pressure and volume, providing an indirect heat exchanger in the discharge outlet of said tank, providing a connection from said storage receptacle to said indirect heat exchanger so that liquid cryogenic gas will be vaporized by the heat from fuel flowing in said discharge outlet, and a connection from said indirect heat exchanger to said tank above the fuel in said tank whereby the vapor pressure of said cryogenic gas will aid in transfer of said fuel from said tank.

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