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Development of a high-performance 3D scroll compressor.

Author(s) : TATEISHI T., SATO H., KOBAYASHI H., et al.

Summary

This paper describes the efficiency improvement technology of the 3D scroll compressors and the development of 3D scroll compressor for commercial air conditioner. 3D scroll, our newly developed profile, can compress refrigerant not only radially but also axially. Therefore, higher compression ratio, higher reliability and larger capacity are obtained by introducing 3D scroll. Since the 3D scroll has steps in the compression chambers, the key point of efficiency improvement of 3D scroll is to minimize the gas leakage at steps. Through cylinder pressure measurements and visualization tests, clearances at steps and the oil content were optimized and gas leakage at steps was reduced. Our newly developed 3D scroll compressor for commercial air-conditioner archived 35% smaller size, 26% lighter weight, 5.5% improvement of efficiency and 6 dB reduction of noise compared with the conventional one.

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Details

  • Original title: Development of a high-performance 3D scroll compressor.
  • Record ID : 2007-2226
  • Languages: English
  • Source: 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Publication date: 2006/07/17

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