17 May 2016 Raytheon advanced pulse-tube cryocoolers
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Abstract
Since the 1970s, Raytheon has developed, built, tested and integrated high performance cryocoolers. Our versatile designs for single and multi-stage cryocoolers provide reliable operation for temperatures from 10 to 200 Kelvin with power levels ranging from 50 W to nearly 600 W. These cryocoolers incorporate clearance seals, flexure suspensions, hermetic housings and dynamic balancing to provide long service life and reliable operation in all relevant environments. Recently, Raytheon has developed an advanced regenerator technology capable of operating efficiently at high frequencies and outperforming traditional screen regenerators. The Raytheon Advanced Miniature (RAM-100) cryocooler, a flight packaged, high frequency, single stage pulse tube cooler with an integrated surge volume and inertance tube, has been designed for use with this regenerator. Design details and experimentally measured performance of two iterations of the RAM cryocooler are presented in this paper.
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Ted Conrad, Ted Conrad, Ryan Yates, Ryan Yates, Daniel Kuo, Daniel Kuo, Brian Schaefer, Brian Schaefer, Matt Arnoult, Matt Arnoult, } "Raytheon advanced pulse-tube cryocoolers", Proc. SPIE 9821, Tri-Technology Device Refrigeration (TTDR), 982107 (17 May 2016); doi: 10.1117/12.2224341; https://doi.org/10.1117/12.2224341
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