Air compressor cylinder and piston assembly - esp. compressors with tumbler discs for air conditioning vehicles

摘要

The piston of an easily assembled compressor cylinder aggregate has at least one piston ring produced mainly from a polymer of a fluoro-olefine, with an additive to increase its resistance to abrasion. At rest the outside dia of the ring is smaller than the internal dia. of the cylinder bore, and dimensions of groove and ring are chosen to ensure that under working conditions, contact between ring and cylinder results in the max. efficiency.