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A study on characteristics of oil supply for reciprocating compressor.

Author(s) : LEE B. Y., KO H. S., RYU K., et al.

Summary

A problem of oil supply for a reciprocating compressor is very significant for an evaluation of reliability. Since a rotational motion of a crank shaft for the reciprocating compressor with small capacity is used for a power source of oil supply, a centrifugal force of the rotational shaft provides a stroke of oil inside the shaft like a centrifugal pump. The pumped oil rises following an inner wall and is provided to a bearing passed through an oil supply hole at the side of the shaft for lubrication of the bearing. In the study, the amount of oil supply has been investigated by a numerical analysis for various conditions such as a shape of a groove, rpm of the compressor, and a shape of a flow channel. Also, a method of increasing oil supply for a low rpm has been studied so that the function can be improved for a variable condition.

Details

  • Original title: A study on characteristics of oil supply for reciprocating compressor.
  • Record ID : 2007-0619
  • Languages: English
  • Source: ACRA-2006. Proceedings of the 3rd Asian conference on refrigeration and air conditioning.
  • Publication date: 2006/05/21

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