Patent ID: 6827351
Filing Date: 2004-12-07
Classification: F04B

Abstract:
A scraper device for a reciprocating compressor piston rod comprising:at least one scraper ring, provided with an annular front surface facing a proximate end of the piston rod, wherein said front surface further comprises at least one lip abutting a surface of the rod, wherein said scraper ring is of formed of a deformable plastic material; a container box containing the scraper ring and centering the ring on the rod, said container box further comprises an inner annular recess coaxial with and receiving said scraper ring and wherein the container box is held in at least one support elements which provides a radial gap between an inner wall of the support element and an outer wall of the container box, and an oil accumulation tank defined by the inner annular recess of the container box, the annular front surface of the scraper ring and the surface of the rod.