Patents Assigned to Evonik Degussa GbmH
  • OPERATING MEDIUM FOR AN ABSORPTION REFRIGERATION DEVICE
    Publication number: 20120247144
    Abstract: The invention relates to an operating medium for an absorption refrigeration device, comprising 5 to 30 wt % water and 65 to 95 wt % of a sorption agent comprising lithium bromide and at least one ionic liquid and wherein the sorption agent comprises ionic liquid and lithium bromide in a weight ratio of 0.5:1 to 5:1, having a lower friction coefficient compared to an operating medium comprising water and lithium bromide.
    Type: Application
    Filed: November 24, 2010
    Publication date: October 4, 2012
    Applicant: Evonik Degussa GbmH
    Inventors: Matthias Seiler, Rolf Schneider, Olivier Zehnacker, Marc-Christoph Schneider