Abstract
Cryomech has developed large capacity two-stage pulse tube cryocoolers for 4 K and 10 K applications. Both cold heads employ a double-inlet configuration in a compact design. The 4 K model, the PT410, uses rare earth materials in the second stage regenerator. It was improved to provide 1.07W at 4.2 K and 40W at 40.5 K, simultaneously, while consuming 8 kW of electrical power. The 10 K model, the PT810, was developed by modifying the PT410, by using only the lead spheres in the 2nd-stage regenerator. It has 4W at 10 K and 42W at 45 K, simultaneously, and consumes the same electrical power of 8 kW. All the two-stage pulse tubes have been designed to provide a meantime between maintenance 〉 5 years.
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© 2003 Kluwer Academic Publishers
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Wang, C., Gifford, P. (2003). Two-Stage Pulse Tube Cryocoolers for 4 K and 10 K Operation. In: Ross, R.G. (eds) Cryocoolers 12. Springer, Boston, MA. https://doi.org/10.1007/0-306-47919-2_39
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DOI: https://doi.org/10.1007/0-306-47919-2_39
Publisher Name: Springer, Boston, MA
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