Overview of Sumitomo coolers and Dewars for space use
2016
Sumitomo Heavy Industries, ltd. (SHI) has been developing cooler and Dewar technology for space application with
Japan Aerospace Exploration Agency. SHI has four types of coolers to cover temperature range from 1.7K to 80K or
more. Those are Single stage Stirling coolers for 80K, two-stage Stirling coolers for 20K, 4K-class cooler and 1K-class
cooler. 4K and 1K class coolers consist of a Joule-Thomson cooler and a two-stage Stirling as a pre-cooler. SHI also
provided Dewars. In this paper, SHI’s cooler and Dewar technology are described.
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