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OIL CONTROL FOR PARALLEL COMPRESSORS.

Type of article: Article

Summary

WHEN SEVERAL COMPRESSORS OPERATE ON COMMON DISCHARGE AND SUCTION LINES, OIL RETURN CAN BE FROM A COMMON DISCHARGE OIL SEPARATOR. RETURN OIL MAY BE FED FROM THE SEPARATOR TO AN OIL RESERVOIR MAINTAINED SLIGHTLY ABOVE SUCTION PRESSURE BY VENTING IT THROUGH A PRESSURE DIFFERENTIAL VALVE. OIL IS THEN FED, PREFERABLY WITH THE AID OF GRAVITY TO AN OIL LEVEL FLOAT VALVE ON EACH COMPRESSOR CRANKCASE. THESE MAY HAVE A PRESSURE EQUALISING LINE TO MAINTAIN A COMMON PRESSURE IN OPERATING AND NON-OPERATING CRANKCASES. A COMPRESSOR RUNNINGAT A HIGHER SUCTION PRESSURE MAY BE INCLUDED IF THE RESERVOIR IS MAINTAINED AT A HIGHER PRESSURE. D.W.H.

Details

  • Original title: OIL CONTROL FOR PARALLEL COMPRESSORS.
  • Record ID : 1990-0113
  • Languages: English
  • Source: Air Cond. Heat. Refrig. News - vol. 176 - n. 6
  • Publication date: 1989/02/06
  • Document available for consultation in the library of the IIR headquarters only.

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