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Title: Joule-Thomson heat exchanger and cryostat

Patent ·
OSTI ID:6590798

This patent describes a refrigerator of the type wherein a fluid is passed through the high pressure tube of a heat exchanger and then expanded through a Joule-Thomson orifice to produce refrigeration proximate the Joule-Thomson orifice. The improvement described here comprises: fibrous material disposed in the Joule-Thomson orifice which is deformed to fix the fibrous material in place, whereby the fibrous material and deformed orifice result in an orifice with large flow impedance.

Assignee:
Air Products and Chemicals, Inc., Allentown, PA
Patent Number(s):
US 4653284
OSTI ID:
6590798
Resource Relation:
Patent File Date: Filed date 29 Jun 1984
Country of Publication:
United States
Language:
English