Release for production of the most compact microcooler in the Thales Cryogenics rotary monobloc range

Jean-Yves Martin; Sébastien Freche; René Griot; Tonny Benschop

doi:10.1117/12.886337

20 May 2011 Release for production of the most compact microcooler in the Thales Cryogenics rotary monobloc range

Jean-Yves Martin, Sébastien Freche, René Griot, Tonny Benschop

Proceedings Volume 8012, Infrared Technology and Applications XXXVII; 80122L (2011) https://doi.org/10.1117/12.886337
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

Thales Cryogenics has an extensive background in developing and manufacturing Stirling rotary integral (Monobloc) coolers for military applications. Up to now, this cooler range was based on three coolers named RM2, RM3 and RM4. Due to specific market demands, a new type of cooler has recently been developed in the Rotary Monobloc range (RM): the RM1. This cooler has been designed for applications where a low cooling power and a high efficiency are required and is particularly suitable for cooling components with a low heat load at intermediate temperature (90 to 150K) while allowing short cool down time. Cooling down to 77K remains possible but is restricted in available cooling capacity. The RM1 shows high compactness and is the smallest and lightest cooler of the RM product range. RM1 has been designed to ease integration process. In this paper, an overview of RM1 performances is given as well as a description of features enabling easy integration. The RM1 cooler has been extensively qualified for use in various thermal and mechanical environments. Life time tests have been carried out on a sample batch of 9 coolers tested according to our accelerated life time test profile. The qualification results and the evolution of performances over time in life tests are reported. Finally, some specific considerations and results are given for intermediate temperature applications with cold temperatures up to 200K.

Citation Download Citation

Jean-Yves Martin, Sébastien Freche, René Griot, and Tonny Benschop "Release for production of the most compact microcooler in the Thales Cryogenics rotary monobloc range", Proc. SPIE 8012, Infrared Technology and Applications XXXVII, 80122L (20 May 2011); https://doi.org/10.1117/12.886337

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KEYWORDS

Cryogenics

Cryocoolers

Accelerated life testing

Technetium

Sensors

Manufacturing

Defense technologies

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