×

Liquefied natural gas transfer

  • US 5,415,001 A
  • Filed: 03/25/1994
  • Issued: 05/16/1995
  • Est. Priority Date: 03/25/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. In a process for transfer of liquefied natural gas from a storage tank, the improvement comprising;

  • passing liquid nitrogen in heat exchange relation with said liquefied natural gas in said storage tank subcooling said liquefied natural gas to about 10°

    to about 60°

    F. below the boiling temperature of said liquefied natural gas in said storage tank, and vaporizing liquid nitrogen by said heat exchange with said liquefied natural gas causing pressurization of nitrogen vapor in the ullage of said storage tank sufficient to act as a pressurant for said transfer in a transfer mode.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×