Cylinder wall, piston
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In reciprocating compressors, there are many thin ridges on the cylinder walls; the piston also has thin grooves around its outer edge. What is the function of each of these?
I’ve learned… I’ve really learned; I’ve never seen such pistons and cylinders before
It shouldn’t be called a reciprocating machine; it should be called a labyrinth compressor, as it serves a sealing function
I’ve learned something new; it’s the first time I’ve seen a compressor with this type of cylinder
The labyrinth seals on pistons – I know that Buchhard’s are quite famous
It serves the same purpose as piston rings, namely to provide sealing and prevent high-pressure gas from leaking into the low-pressure side – a labyrinth seal
Labyrinth seal, common in Buchhard reciprocating compressors. During maintenance, it is necessary to check the degree of wear and clean off the gray cast iron debris.
It serves the same purpose as piston rings.
It serves a sealing function; the piston generally operates in a vertical position, under low pressure, and without oil lubrication.