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The development of a CO2 scroll compressor for automotive air-conditioning systems.

[In Japanese. / En japonais.]

Author(s) : HAGITA T., KOBAYASHI H., TAKEUTI M., et al.

Summary

To prevent global warming, CO2 (natural refrigerant) has attracted attention as an alternative to R134a currently used in automotive air-conditioning systems. The scroll compressor is developed for CO2 automotive air-conditioning systems. The thrust bearing for CO2 scroll compressors will be low confidence and low efficiency because of the large gas thrust force. To achieve high confidence and high efficiency, a static pressure assist bearing was developed and adapted to the CO2 scroll compressor. It is confirmed experimentally and analytically that the CO2 scroll compressor can achieve high efficiency. Elastomer and refrigerant oil were tested for CO2.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2006-0432
  • Languages: Japanese
  • Source: The International Symposium on HCFC Alternative Refrigerants and Environmental Technology 2000: Latest technology for Energy Conservation, Refrigerants and Recycling on Air-Conditioning and Refrigeration Equipment for the 21st century. Proceedings.
  • Publication date: 2000/12/07

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