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The world of compressors.

Il mondo dei compressori.

Author(s) : STEFANUTTI V.

Type of article: Article

Summary

Third survey on the results of the elimination of CFCs and HCFCs as well as on the development of new solutions. The author reviews the main following points: 1. Present situation and forecast of the use of refrigerants, particularly HCFCs, in the USA and Europe. 2. Present use of lubricants, polyolesters (POE), alkyl-benzene and glycol-polyalkylene (PAG) oils, etc; characteristics to be considered: miscibility, solubility, stability and lubrification ability. Types of PAG oils mainly used in the air conditioning of cars; various types of POE oils; advantage of hydrocarbon-HCFC mixture regarding oil miscibility; additives to mineral oils; advantage of the use of ammonia, whenever possible (plants located in zones with a limited number of inhabitants, security rules). 3. Market: general trends in 1996 and 1997, good in the USA and Japan, main markets in the world, but not satisfactory in Europe, due to the economic situation; outstanding issues: the evolution of Asia markets, uncertainties regarding the use of the various new types of compressors. Basic description and qualitative information on the market of various types of compressors: scroll, rotary, screw (1 or 2 screws), reciprocating (hermetically sealed, semi-hermetic, open-type compressors). Some information on the present use absorption refrigerating units.

Details

  • Original title: Il mondo dei compressori.
  • Record ID : 1999-0804
  • Languages: Italian
  • Source: Zero sotto Zero - n. 2
  • Publication date: 1998/03
  • Document available for consultation in the library of the IIR headquarters only.

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