IIR document

Suppression of wobbling motion of fixed scroll in scroll compressors.

Summary

The study presents a way of improving the stability of the fixed scroll in scroll compressors. For the scroll compressor whose fixed scroll is designed to move in the axial direction for tip sealing, the fixed scroll is under the influence of the overturning moment produced by internal gas forces. Unless the overturning moment is properly compensated by the moment of reaction forces at the suspension of the fixed scroll, the fixed scroll will exhibit wobbling motion, increasing gas leakage through the gap between the orbiting and the fixed scrolls. The condition under which the wobbling motion can be eliminated was found analytically. More details are given.

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Details

  • Original title: Suppression of wobbling motion of fixed scroll in scroll compressors.
  • Record ID : 1996-0841
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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