which compressor

which compressor

This topic has 26 replies, 14 voices, and was last updated 23 October 2018 at 00:09 by Brian Sweeting 2.

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22 October 2018 at 09:21 #377041
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23 October 2018 at 00:09 #377158
Brian Sweeting 2
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Posted by Howard Lewis on 20/10/2018 22:13:18:

Are automotive air con compressors compressing gas or liquid?

The usual advice is to run the air con on the car for about 5 minutes each week to keep the seals lubricated. That suggests liquid rather than gas. Or maybe the refrigerant is below its critical temperature, and when compressed it changes to liquid, and that is what lubricates the seals.

Anyone to enlighten us?

Howard

All refrigerant comoressors, electric or mechanical pump vapour, if they pump liquid they very quickly destroy tgeir valves or con-rods.

It is the oil mist mixing with the refrigerant that provides the lubrication to the seals etc.
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