Patent ID: 6367808
Filing Date: 2002-04-09
Classification: F16J,Y10S

Abstract:
A dry running sealing ring for a dry running piston rod with a circular cross-section, wherein the sealing ring is manufactured from a non-metallic material and has a height in an axial direction and a sealing surface oriented toward a sliding surface; wherein the sealing surface consists of a diverging section that diverges from the sliding surface over a first part of the height and a contact section that extends substantially cylindrically over a second part of the height and is in contact with the sliding surface; wherein the sealing surface is arranged such that the diverging section is at a high pressure side of the sealing ring and the contact section is at a low pressure of the sealing ring; wherein the sealing ring has a ring gap with a compensatory clearance; wherein the diverging section diverges conically in a radial direction by a maximum distance; and wherein the compensatory clearance has a width equal to the product of twice the value of &pgr; times the maximum distance.