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Development of an evolutionary three-dimensional scroll compressor.

Number: pap. 1221

Author(s) : SATO H., HOTTA Y., KIMATA Y., et al.

Summary

A novel three-dimensional scroll compressor was developed. The authors have produced 3D scroll compressor since 2006. The 3D scroll is able to compress refrigerant in axial direction as well as in existing radial direction by employing steps at the bottom and the tip of the scroll which change the height of compression chamber on the middle of the compression process. For the purpose of further performance improvement, the authors developed an evolutionary three-dimensional compression mechanism, named "e-3D scroll". The e-3D scroll is equipped with a sloped tip and a sloped end plate in each scroll instead of steps in the conventional 3D scroll. The height of compression chamber decreases continuously with progression of compression by the sloped shape. The e-3D scroll has advantages of high efficiency, high compression ratio, large capacity and high strength compared to the conventional two-dimensional or three-dimensional scrolls. Performance tests showed that there exists an optimum range of slope angle in order to maintain high efficiency and the developed e-3D scroll compressor for heat pump modular chiller and VRF application achieved up to 4.8% improvement in efficiency compared to the conventional 3D scroll compressor.

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Pages: 7

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Details

  • Original title: Development of an evolutionary three-dimensional scroll compressor.
  • Record ID : 30024252
  • Languages: English
  • Source: 2018 Purdue Conferences. 24th International Compressor Engineering Conference at Purdue.
  • Publication date: 2018/07/09

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