Patent ID: 6745576
Filing Date: 2004-06-08
Classification: F17C

Abstract:
An apparatus for re-liquefying boil-off gas produced by liquid natural gas comprising:a. a collector, wherein the collector contains at least some liquid natural gas; b. a first pump, wherein the first pump is in or adjacent to the liquid natural gas collector; c. a compressor, wherein the compressor communicates with the liquid natural gas (LNG) collector by a first conduit; d. a mixing device, wherein the mixing device communicates with the compressor by a second conduit, and wherein the mixing device communicates with the first pump by a third conduit; e. a separating device, wherein the separating device communicates with the mixing device by a fourth conduit, and wherein the separating device also communicates with the liquid natural gas (LNG) collector by a fifth conduit; and f. a second pump wherein the second pump communicates with the separating device by a sixth conduit.