• An Oil-Free Compressor for Gifford McMahon Cold Heads 

      Caughley, A. J.; Meier, J. (Georgia Institute of TechnologyICC Press, 2008-05)
      Industrial Research Ltd (IRL) has developed a novel metallic-diaphragm pressure wave generator technology for large high-frequency (30-60 Hz) pulse tube cryocoolers. A diaphragm pressure wave generator, using a conventionally ...