The split cryogenic cooler with a remote cold finger offers many advantages for use in cooling of infrared systems. A pneumatic drive for the displacer in such coolers was adopted in many cryocooler designs. This concept can be significantly improved by causing the displacer to move sinusoidally rather than in an essentially square wave, as in most of the present models. The way this motion was achieved passively is described and its advantages outlined. Data of minicoolers using this concept are presented.


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    Title :

    Passive motion control of pneumatically driven displacers in cryogenic coolers


    Contributors:
    Pundak, N. (author) / Shtrikman, S. (author)


    Publication date :

    1985-05-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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