The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 2005
Filed:
Dec. 13, 2001
Henri Paradowski, Cergy, FR;
Henri Paradowski, Cergy, FR;
Technip France, , FR;
Abstract
The invention concerns a method for refrigerating liquefied natural gas under pressure (), comprising a first step wherein the LNG () is cooled, expanded and separated (a) in a first base fraction () which is collected, and (b) a first top fraction () which is heated, compressed in a compressor (K) and cooled into a first compressed fraction () which is collected; a second compressed fraction () is drawn from the fuel gas (), cooled then mixed with the cooled and expanded LNG (). The invention is characterised in that it comprises a second step wherein the second compressed fraction () is compressed and cooled, and a flux is () drawn and cooled, expanded and introduced in the compressor (K). The invention also describes other embodiments.