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No-frost refrigeration: a retrospect after conversion to hydrocarbons.

Author(s) : WENNING U. G.

Summary

Conversion of European refrigerators to hydrocarbon technology (using pentane as blowing agent for the insulating foam, and isobutane as refrigerant) is well advanced. Industry began converting small refrigerators with minor refrigerant charges (20 grams of R600a). These appliances generally are equipped with "hidden" evaporators, where no leak releasing hydrocarbon into the food compartment is expected. After additional risk assessments, solutions were found for the whole range of cooling appliances, including no-frost fridge/freezer combinations and no-frost freezers. More than 90% of German output now has now been converted to hydrocarbon technology. Requirements for safety and isobutane purity are given.

Details

  • Original title: No-frost refrigeration: a retrospect after conversion to hydrocarbons.
  • Record ID : 1997-0116
  • Languages: English
  • Source: Stratospheric Ozone Protection for the 90's. 1995 International CFC and Halon Alternatives Conference & Exhibition. Conference proceedings.
  • Publication date: 1995/10/23
  • Document available for consultation in the library of the IIR headquarters only.

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