Reliquifier and recondenser with vacuum insulated sleeve and liquid transfer tube

Patent No. 8,375,742

Issued: February 19, 2013
Filed: November 4, 2008

Inventor: Chao Wang (Manlius, NY)
Assignee: Cryomech, Inc. (Syracuse, NY)


A reliquifier using a cryocooler in which an insulated sleeve surrounds a portion of the cold head, a first stage cooling station, and a second stage cooling station, including a condenser. Gas is conveyed from a cryostat to the insulated sleeve, where it is liquefied as it passes over the cold head. An end of the insulated sleeve is connected to a liquid transfer tube for conveying condensed fluid back to the cryostat.

Reference to Related Applications

This is a continuation-in-part of co-pending parent patent application Ser. No. 11/842,420, entitled "Reliquifier", filed Aug. 21, 2007. The aforementioned application is hereby incorporated herein by reference.


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